diff options
171 files changed, 4904 insertions, 4511 deletions
diff --git a/Documentation/DocBook/crypto-API.tmpl b/Documentation/DocBook/crypto-API.tmpl index 07df23e..348619f 100644 --- a/Documentation/DocBook/crypto-API.tmpl +++ b/Documentation/DocBook/crypto-API.tmpl @@ -348,10 +348,7 @@ <para>type: <itemizedlist> <listitem> - <para>blkcipher for synchronous block ciphers</para> - </listitem> - <listitem> - <para>ablkcipher for asynchronous block ciphers</para> + <para>skcipher for symmetric key ciphers</para> </listitem> <listitem> <para>cipher for single block ciphers that may be used with @@ -485,6 +482,9 @@ <para>CRYPTO_ALG_TYPE_RNG Random Number Generation</para> </listitem> <listitem> + <para>CRYPTO_ALG_TYPE_AKCIPHER Asymmetric cipher</para> + </listitem> + <listitem> <para>CRYPTO_ALG_TYPE_PCOMPRESS Enhanced version of CRYPTO_ALG_TYPE_COMPRESS allowing for segmented compression / decompression instead of performing the operation on one @@ -597,7 +597,7 @@ kernel crypto API | IPSEC Layer v v +-----------+ +-----------+ | | | | -| ablkcipher| | ahash | +| skcipher | | ahash | | (ctr) | ---+ | (ghash) | +-----------+ | +-----------+ | @@ -658,7 +658,7 @@ kernel crypto API | IPSEC Layer <listitem> <para> - The GCM AEAD cipher type implementation now invokes the ABLKCIPHER API + The GCM AEAD cipher type implementation now invokes the SKCIPHER API with the instantiated CTR(AES) cipher handle. </para> @@ -669,7 +669,7 @@ kernel crypto API | IPSEC Layer </para> <para> - That means that the ABLKCIPHER implementation of CTR(AES) only + That means that the SKCIPHER implementation of CTR(AES) only implements the CTR block chaining mode. After performing the block chaining operation, the CIPHER implementation of AES is invoked. </para> @@ -677,7 +677,7 @@ kernel crypto API | IPSEC Layer <listitem> <para> - The ABLKCIPHER of CTR(AES) now invokes the CIPHER API with the AES + The SKCIPHER of CTR(AES) now invokes the CIPHER API with the AES cipher handle to encrypt one block. </para> </listitem> @@ -706,7 +706,7 @@ kernel crypto API | IPSEC Layer <para> For example, CBC(AES) is implemented with cbc.c, and aes-generic.c. The ASCII art picture above applies as well with the difference that only - step (4) is used and the ABLKCIPHER block chaining mode is CBC. + step (4) is used and the SKCIPHER block chaining mode is CBC. </para> </sect2> @@ -904,15 +904,14 @@ kernel crypto API | Caller </sect2> </sect1> - <sect1><title>Multi-Block Ciphers [BLKCIPHER] [ABLKCIPHER]</title> + <sect1><title>Multi-Block Ciphers</title> <para> Example of transformations: cbc(aes), ecb(arc4), ... </para> <para> This section describes the multi-block cipher transformation - implementations for both synchronous [BLKCIPHER] and - asynchronous [ABLKCIPHER] case. The multi-block ciphers are + implementations. The multi-block ciphers are used for transformations which operate on scatterlists of data supplied to the transformation functions. They output the result into a scatterlist of data as well. @@ -921,16 +920,15 @@ kernel crypto API | Caller <sect2><title>Registration Specifics</title> <para> - The registration of [BLKCIPHER] or [ABLKCIPHER] algorithms + The registration of multi-block cipher algorithms is one of the most standard procedures throughout the crypto API. </para> <para> Note, if a cipher implementation requires a proper alignment of data, the caller should use the functions of - crypto_blkcipher_alignmask() or crypto_ablkcipher_alignmask() - respectively to identify a memory alignment mask. The kernel - crypto API is able to process requests that are unaligned. + crypto_skcipher_alignmask() to identify a memory alignment mask. + The kernel crypto API is able to process requests that are unaligned. This implies, however, additional overhead as the kernel crypto API needs to perform the realignment of the data which may imply moving of data. @@ -945,14 +943,13 @@ kernel crypto API | Caller <para> Please refer to the single block cipher description for schematics - of the block cipher usage. The usage patterns are exactly the same - for [ABLKCIPHER] and [BLKCIPHER] as they are for plain [CIPHER]. + of the block cipher usage. </para> </sect2> <sect2><title>Specifics Of Asynchronous Multi-Block Cipher</title> <para> - There are a couple of specifics to the [ABLKCIPHER] interface. + There are a couple of specifics to the asynchronous interface. </para> <para> @@ -1692,7 +1689,28 @@ read(opfd, out, outlen); !Finclude/linux/crypto.h cipher_alg !Finclude/crypto/rng.h rng_alg </sect1> - <sect1><title>Asynchronous Block Cipher API</title> + <sect1><title>Symmetric Key Cipher API</title> +!Pinclude/crypto/skcipher.h Symmetric Key Cipher API +!Finclude/crypto/skcipher.h crypto_alloc_skcipher +!Finclude/crypto/skcipher.h crypto_free_skcipher +!Finclude/crypto/skcipher.h crypto_has_skcipher +!Finclude/crypto/skcipher.h crypto_skcipher_ivsize +!Finclude/crypto/skcipher.h crypto_skcipher_blocksize +!Finclude/crypto/skcipher.h crypto_skcipher_setkey +!Finclude/crypto/skcipher.h crypto_skcipher_reqtfm +!Finclude/crypto/skcipher.h crypto_skcipher_encrypt +!Finclude/crypto/skcipher.h crypto_skcipher_decrypt + </sect1> + <sect1><title>Symmetric Key Cipher Request Handle</title> +!Pinclude/crypto/skcipher.h Symmetric Key Cipher Request Handle +!Finclude/crypto/skcipher.h crypto_skcipher_reqsize +!Finclude/crypto/skcipher.h skcipher_request_set_tfm +!Finclude/crypto/skcipher.h skcipher_request_alloc +!Finclude/crypto/skcipher.h skcipher_request_free +!Finclude/crypto/skcipher.h skcipher_request_set_callback +!Finclude/crypto/skcipher.h skcipher_request_set_crypt + </sect1> + <sect1><title>Asynchronous Block Cipher API - Deprecated</title> !Pinclude/linux/crypto.h Asynchronous Block Cipher API !Finclude/linux/crypto.h crypto_alloc_ablkcipher !Finclude/linux/crypto.h crypto_free_ablkcipher @@ -1704,7 +1722,7 @@ read(opfd, out, outlen); !Finclude/linux/crypto.h crypto_ablkcipher_encrypt !Finclude/linux/crypto.h crypto_ablkcipher_decrypt </sect1> - <sect1><title>Asynchronous Cipher Request Handle</title> + <sect1><title>Asynchronous Cipher Request Handle - Deprecated</title> !Pinclude/linux/crypto.h Asynchronous Cipher Request Handle !Finclude/linux/crypto.h crypto_ablkcipher_reqsize !Finclude/linux/crypto.h ablkcipher_request_set_tfm @@ -1733,10 +1751,9 @@ read(opfd, out, outlen); !Finclude/crypto/aead.h aead_request_free !Finclude/crypto/aead.h aead_request_set_callback !Finclude/crypto/aead.h aead_request_set_crypt -!Finclude/crypto/aead.h aead_request_set_assoc !Finclude/crypto/aead.h aead_request_set_ad </sect1> - <sect1><title>Synchronous Block Cipher API</title> + <sect1><title>Synchronous Block Cipher API - Deprecated</title> !Pinclude/linux/crypto.h Synchronous Block Cipher API !Finclude/linux/crypto.h crypto_alloc_blkcipher !Finclude/linux/crypto.h crypto_free_blkcipher @@ -1762,19 +1779,6 @@ read(opfd, out, outlen); !Finclude/linux/crypto.h crypto_cipher_encrypt_one !Finclude/linux/crypto.h crypto_cipher_decrypt_one </sect1> - <sect1><title>Synchronous Message Digest API</title> -!Pinclude/linux/crypto.h Synchronous Message Digest API -!Finclude/linux/crypto.h crypto_alloc_hash -!Finclude/linux/crypto.h crypto_free_hash -!Finclude/linux/crypto.h crypto_has_hash -!Finclude/linux/crypto.h crypto_hash_blocksize -!Finclude/linux/crypto.h crypto_hash_digestsize -!Finclude/linux/crypto.h crypto_hash_init -!Finclude/linux/crypto.h crypto_hash_update -!Finclude/linux/crypto.h crypto_hash_final -!Finclude/linux/crypto.h crypto_hash_digest -!Finclude/linux/crypto.h crypto_hash_setkey - </sect1> <sect1><title>Message Digest Algorithm Definitions</title> !Pinclude/crypto/hash.h Message Digest Algorithm Definitions !Finclude/crypto/hash.h hash_alg_common @@ -1825,15 +1829,36 @@ read(opfd, out, outlen); !Finclude/crypto/rng.h crypto_alloc_rng !Finclude/crypto/rng.h crypto_rng_alg !Finclude/crypto/rng.h crypto_free_rng +!Finclude/crypto/rng.h crypto_rng_generate !Finclude/crypto/rng.h crypto_rng_get_bytes !Finclude/crypto/rng.h crypto_rng_reset !Finclude/crypto/rng.h crypto_rng_seedsize !Cinclude/crypto/rng.h </sect1> + <sect1><title>Asymmetric Cipher API</title> +!Pinclude/crypto/akcipher.h Generic Public Key API +!Finclude/crypto/akcipher.h akcipher_alg +!Finclude/crypto/akcipher.h akcipher_request +!Finclude/crypto/akcipher.h crypto_alloc_akcipher +!Finclude/crypto/akcipher.h crypto_free_akcipher +!Finclude/crypto/akcipher.h crypto_akcipher_set_pub_key +!Finclude/crypto/akcipher.h crypto_akcipher_set_priv_key + </sect1> + <sect1><title>Asymmetric Cipher Request Handle</title> +!Finclude/crypto/akcipher.h akcipher_request_alloc +!Finclude/crypto/akcipher.h akcipher_request_free +!Finclude/crypto/akcipher.h akcipher_request_set_callback +!Finclude/crypto/akcipher.h akcipher_request_set_crypt +!Finclude/crypto/akcipher.h crypto_akcipher_maxsize +!Finclude/crypto/akcipher.h crypto_akcipher_encrypt +!Finclude/crypto/akcipher.h crypto_akcipher_decrypt +!Finclude/crypto/akcipher.h crypto_akcipher_sign +!Finclude/crypto/akcipher.h crypto_akcipher_verify + </sect1> </chapter> <chapter id="Code"><title>Code Examples</title> - <sect1><title>Code Example For Asynchronous Block Cipher Operation</title> + <sect1><title>Code Example For Symmetric Key Cipher Operation</title> <programlisting> struct tcrypt_result { @@ -1842,15 +1867,15 @@ struct tcrypt_result { }; /* tie all data structures together */ -struct ablkcipher_def { +struct skcipher_def { struct scatterlist sg; - struct crypto_ablkcipher *tfm; - struct ablkcipher_request *req; + struct crypto_skcipher *tfm; + struct skcipher_request *req; struct tcrypt_result result; }; /* Callback function */ -static void test_ablkcipher_cb(struct crypto_async_request *req, int error) +static void test_skcipher_cb(struct crypto_async_request *req, int error) { struct tcrypt_result *result = req->data; @@ -1862,15 +1887,15 @@ static void test_ablkcipher_cb(struct crypto_async_request *req, int error) } /* Perform cipher operation */ -static unsigned int test_ablkcipher_encdec(struct ablkcipher_def *ablk, - int enc) +static unsigned int test_skcipher_encdec(struct skcipher_def *sk, + int enc) { int rc = 0; if (enc) - rc = crypto_ablkcipher_encrypt(ablk->req); + rc = crypto_skcipher_encrypt(sk->req); else - rc = crypto_ablkcipher_decrypt(ablk->req); + rc = crypto_skcipher_decrypt(sk->req); switch (rc) { case 0: @@ -1878,52 +1903,52 @@ static unsigned int test_ablkcipher_encdec(struct ablkcipher_def *ablk, case -EINPROGRESS: case -EBUSY: rc = wait_for_completion_interruptible( - &ablk->result.completion); - if (!rc && !ablk->result.err) { - reinit_completion(&ablk->result.completion); + &sk->result.completion); + if (!rc && !sk->result.err) { + reinit_completion(&sk->result.completion); break; } default: - pr_info("ablkcipher encrypt returned with %d result %d\n", - rc, ablk->result.err); + pr_info("skcipher encrypt returned with %d result %d\n", + rc, sk->result.err); break; } - init_completion(&ablk->result.completion); + init_completion(&sk->result.completion); return rc; } /* Initialize and trigger cipher operation */ -static int test_ablkcipher(void) +static int test_skcipher(void) { - struct ablkcipher_def ablk; - struct crypto_ablkcipher *ablkcipher = NULL; - struct ablkcipher_request *req = NULL; + struct skcipher_def sk; + struct crypto_skcipher *skcipher = NULL; + struct skcipher_request *req = NULL; char *scratchpad = NULL; char *ivdata = NULL; unsigned char key[32]; int ret = -EFAULT; - ablkcipher = crypto_alloc_ablkcipher("cbc-aes-aesni", 0, 0); - if (IS_ERR(ablkcipher)) { - pr_info("could not allocate ablkcipher handle\n"); - return PTR_ERR(ablkcipher); + skcipher = crypto_alloc_skcipher("cbc-aes-aesni", 0, 0); + if (IS_ERR(skcipher)) { + pr_info("could not allocate skcipher handle\n"); + return PTR_ERR(skcipher); } - req = ablkcipher_request_alloc(ablkcipher, GFP_KERNEL); + req = skcipher_request_alloc(skcipher, GFP_KERNEL); if (IS_ERR(req)) { pr_info("could not allocate request queue\n"); ret = PTR_ERR(req); goto out; } - ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, - test_ablkcipher_cb, - &ablk.result); + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, + test_skcipher_cb, + &sk.result); /* AES 256 with random key */ get_random_bytes(&key, 32); - if (crypto_ablkcipher_setkey(ablkcipher, key, 32)) { + if (crypto_skcipher_setkey(skcipher, key, 32)) { pr_info("key could not be set\n"); ret = -EAGAIN; goto out; @@ -1945,26 +1970,26 @@ static int test_ablkcipher(void) } get_random_bytes(scratchpad, 16); - ablk.tfm = ablkcipher; - ablk.req = req; + sk.tfm = skcipher; + sk.req = req; /* We encrypt one block */ - sg_init_one(&ablk.sg, scratchpad, 16); - ablkcipher_request_set_crypt(req, &ablk.sg, &ablk.sg, 16, ivdata); - init_completion(&ablk.result.completion); + sg_init_one(&sk.sg, scratchpad, 16); + skcipher_request_set_crypt(req, &sk.sg, &sk.sg, 16, ivdata); + init_completion(&sk.result.completion); /* encrypt data */ - ret = test_ablkcipher_encdec(&ablk, 1); + ret = test_skcipher_encdec(&sk, 1); if (ret) goto out; pr_info("Encryption triggered successfully\n"); out: - if (ablkcipher) - crypto_free_ablkcipher(ablkcipher); + if (skcipher) + crypto_free_skcipher(skcipher); if (req) - ablkcipher_request_free(req); + skcipher_request_free(req); if (ivdata) kfree(ivdata); if (scratchpad) @@ -1974,77 +1999,6 @@ out: </programlisting> </sect1> - <sect1><title>Code Example For Synchronous Block Cipher Operation</title> - <programlisting> - -static int test_blkcipher(void) -{ - struct crypto_blkcipher *blkcipher = NULL; - char *cipher = "cbc(aes)"; - // AES 128 - charkey = -"\x12\x34\x56\x78\x90\xab\xcd\xef\x12\x34\x56\x78\x90\xab\xcd\xef"; - chariv = -"\x12\x34\x56\x78\x90\xab\xcd\xef\x12\x34\x56\x78\x90\xab\xcd\xef"; - unsigned int ivsize = 0; - char *scratchpad = NULL; // holds plaintext and ciphertext - struct scatterlist sg; - struct blkcipher_desc desc; - int ret = -EFAULT; - - blkcipher = crypto_alloc_blkcipher(cipher, 0, 0); - if (IS_ERR(blkcipher)) { - printk("could not allocate blkcipher handle for %s\n", cipher); - return -PTR_ERR(blkcipher); - } - - if (crypto_blkcipher_setkey(blkcipher, key, strlen(key))) { - printk("key could not be set\n"); - ret = -EAGAIN; - goto out; - } - - ivsize = crypto_blkcipher_ivsize(blkcipher); - if (ivsize) { - if (ivsize != strlen(iv)) - printk("IV length differs from expected length\n"); - crypto_blkcipher_set_iv(blkcipher, iv, ivsize); - } - - scratchpad = kmalloc(crypto_blkcipher_blocksize(blkcipher), GFP_KERNEL); - if (!scratchpad) { - printk("could not allocate scratchpad for %s\n", cipher); - goto out; - } - /* get some random data that we want to encrypt */ - get_random_bytes(scratchpad, crypto_blkcipher_blocksize(blkcipher)); - - desc.flags = 0; - desc.tfm = blkcipher; - sg_init_one(&sg, scratchpad, crypto_blkcipher_blocksize(blkcipher)); - - /* encrypt data in place */ - crypto_blkcipher_encrypt(&desc, &sg, &sg, - crypto_blkcipher_blocksize(blkcipher)); - - /* decrypt data in place - * crypto_blkcipher_decrypt(&desc, &sg, &sg, - */ crypto_blkcipher_blocksize(blkcipher)); - - - printk("Cipher operation completed\n"); - return 0; - -out: - if (blkcipher) - crypto_free_blkcipher(blkcipher); - if (scratchpad) - kzfree(scratchpad); - return ret; -} - </programlisting> - </sect1> - <sect1><title>Code Example For Use of Operational State Memory With SHASH</title> <programlisting> diff --git a/Documentation/crypto/api-intro.txt b/Documentation/crypto/api-intro.txt index 8b49302..beda682 100644 --- a/Documentation/crypto/api-intro.txt +++ b/Documentation/crypto/api-intro.txt @@ -49,28 +49,33 @@ under development. Here's an example of how to use the API: - #include <linux/crypto.h> + #include <crypto/ahash.h> #include <linux/err.h> #include <linux/scatterlist.h> struct scatterlist sg[2]; char result[128]; - struct crypto_hash *tfm; - struct hash_desc desc; + struct crypto_ahash *tfm; + struct ahash_request *req; - tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC); + tfm = crypto_alloc_ahash("md5", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) fail(); /* ... set up the scatterlists ... */ - desc.tfm = tfm; - desc.flags = 0; - - if (crypto_hash_digest(&desc, sg, 2, result)) + req = ahash_request_alloc(tfm, GFP_ATOMIC); + if (!req) fail(); + + ahash_request_set_callback(req, 0, NULL, NULL); + ahash_request_set_crypt(req, sg, result, 2); - crypto_free_hash(tfm); + if (crypto_ahash_digest(req)) + fail(); + + ahash_request_free(req); + crypto_free_ahash(tfm); Many real examples are available in the regression test module (tcrypt.c). diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm6368.txt b/Documentation/devicetree/bindings/rng/brcm,bcm6368.txt new file mode 100644 index 0000000..4b5ac60 --- /dev/null +++ b/Documentation/devicetree/bindings/rng/brcm,bcm6368.txt @@ -0,0 +1,17 @@ +BCM6368 Random number generator + +Required properties: + +- compatible : should be "brcm,bcm6368-rng" +- reg : Specifies base physical address and size of the registers +- clocks : phandle to clock-controller plus clock-specifier pair +- clock-names : "ipsec" as a clock name + +Example: + random: rng@10004180 { + compatible = "brcm,bcm6368-rng"; + reg = <0x10004180 0x14>; + + clocks = <&periph_clk 18>; + clock-names = "ipsec"; + }; diff --git a/Documentation/devicetree/bindings/rng/microchip,pic32-rng.txt b/Documentation/devicetree/bindings/rng/microchip,pic32-rng.txt new file mode 100644 index 0000000..c6d1003 --- /dev/null +++ b/Documentation/devicetree/bindings/rng/microchip,pic32-rng.txt @@ -0,0 +1,17 @@ +* Microchip PIC32 Random Number Generator + +The PIC32 RNG provides a pseudo random number generator which can be seeded by +another true random number generator. + +Required properties: +- compatible : should be "microchip,pic32mzda-rng" +- reg : Specifies base physical address and size of the registers. +- clocks: clock phandle. + +Example: + + rng: rng@1f8e6000 { + compatible = "microchip,pic32mzda-rng"; + reg = <0x1f8e6000 0x1000>; + clocks = <&PBCLK5>; + }; diff --git a/Documentation/devicetree/bindings/sparc_sun_oracle_rng.txt b/Documentation/devicetree/bindings/sparc_sun_oracle_rng.txt new file mode 100644 index 0000000..b0b2111 --- /dev/null +++ b/Documentation/devicetree/bindings/sparc_sun_oracle_rng.txt @@ -0,0 +1,30 @@ +HWRNG support for the n2_rng driver + +Required properties: +- reg : base address to sample from +- compatible : should contain one of the following + RNG versions: + - 'SUNW,n2-rng' for Niagara 2 Platform (SUN UltraSPARC T2 CPU) + - 'SUNW,vf-rng' for Victoria Falls Platform (SUN UltraSPARC T2 Plus CPU) + - 'SUNW,kt-rng' for Rainbow/Yosemite Falls Platform (SUN SPARC T3/T4), (UltraSPARC KT/Niagara 3 - development names) + more recent systems (after Oracle acquisition of SUN) + - 'ORCL,m4-rng' for SPARC T5/M5 + - 'ORCL,m7-rng' for SPARC T7/M7 + +Examples: +/* linux LDOM on SPARC T5-2 */ +Node 0xf029a4f4 + .node: f029a4f4 + rng-#units: 00000002 + compatible: 'ORCL,m4-rng' + reg: 0000000e + name: 'random-number-generator' + +/* solaris on SPARC M7-8 */ +Node 0xf028c08c + rng-#units: 00000003 + compatible: 'ORCL,m7-rng' + reg: 0000000e + name: 'random-number-generator' + +PS: see as well prtconfs.git by DaveM diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index dd72e05..83700da 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -171,6 +171,7 @@ opencores OpenCores.org option Option NV ortustech Ortus Technology Co., Ltd. ovti OmniVision Technologies +ORCL Oracle Corporation panasonic Panasonic Corporation parade Parade Technologies Inc. pericom Pericom Technology Inc. @@ -229,6 +230,7 @@ startek Startek ste ST-Ericsson stericsson ST-Ericsson synology Synology, Inc. +SUNW Sun Microsystems, Inc tbs TBS Technologies tcl Toby Churchill Ltd. technologic Technologic Systems diff --git a/arch/arm/crypto/aes-ce-glue.c b/arch/arm/crypto/aes-ce-glue.c index 89a3a3e..da3c042 100644 --- a/arch/arm/crypto/aes-ce-glue.c +++ b/arch/arm/crypto/aes-ce-glue.c @@ -15,6 +15,7 @@ #include <crypto/ablk_helper.h> #include <crypto/algapi.h> #include <linux/module.h> +#include <crypto/xts.h> MODULE_DESCRIPTION("AES-ECB/CBC/CTR/XTS using ARMv8 Crypto Extensions"); MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>"); @@ -152,6 +153,10 @@ static int xts_set_key(struct crypto_tfm *tfm, const u8 *in_key, struct crypto_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm); int ret; + ret = xts_check_key(tfm, in_key, key_len); + if (ret) + return ret; + ret = ce_aes_expandkey(&ctx->key1, in_key, key_len / 2); if (!ret) ret = ce_aes_expandkey(&ctx->key2, &in_key[key_len / 2], diff --git a/arch/arm/crypto/aesbs-glue.c b/arch/arm/crypto/aesbs-glue.c index 6d68529..0511a6c 100644 --- a/arch/arm/crypto/aesbs-glue.c +++ b/arch/arm/crypto/aesbs-glue.c @@ -13,6 +13,7 @@ #include <crypto/ablk_helper.h> #include <crypto/algapi.h> #include <linux/module.h> +#include <crypto/xts.h> #include "aes_glue.h" @@ -89,6 +90,11 @@ static int aesbs_xts_set_key(struct crypto_tfm *tfm, const u8 *in_key, { struct aesbs_xts_ctx *ctx = crypto_tfm_ctx(tfm); int bits = key_len * 4; + int err; + + err = xts_check_key(tfm, in_key, key_len); + if (err) + return err; if (private_AES_set_encrypt_key(in_key, bits, &ctx->enc.rk)) { tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c index 7a3d22a..5c88804 100644 --- a/arch/arm64/crypto/aes-glue.c +++ b/arch/arm64/crypto/aes-glue.c @@ -15,6 +15,7 @@ #include <crypto/algapi.h> #include <linux/module.h> #include <linux/cpufeature.h> +#include <crypto/xts.h> #include "aes-ce-setkey.h" @@ -85,6 +86,10 @@ static int xts_set_key(struct crypto_tfm *tfm, const u8 *in_key, struct crypto_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm); int ret; + ret = xts_check_key(tfm, in_key, key_len); + if (ret) + return ret; + ret = aes_expandkey(&ctx->key1, in_key, key_len / 2); if (!ret) ret = aes_expandkey(&ctx->key2, &in_key[key_len / 2], diff --git a/arch/powerpc/crypto/aes-spe-glue.c b/arch/powerpc/crypto/aes-spe-glue.c index 93ee046..ab11319 100644 --- a/arch/powerpc/crypto/aes-spe-glue.c +++ b/arch/powerpc/crypto/aes-spe-glue.c @@ -22,6 +22,7 @@ #include <asm/byteorder.h> #include <asm/switch_to.h> #include <crypto/algapi.h> +#include <crypto/xts.h> /* * MAX_BYTES defines the number of bytes that are allowed to be processed @@ -126,6 +127,11 @@ static int ppc_xts_setkey(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) { struct ppc_xts_ctx *ctx = crypto_tfm_ctx(tfm); + int err; + + err = xts_check_key(tfm, in_key, key_len); + if (err) + return err; key_len >>= 1; diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index 0b9b95f..48e1a2d 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -27,6 +27,7 @@ #include <linux/cpufeature.h> #include <linux/init.h> #include <linux/spinlock.h> +#include <crypto/xts.h> #include "crypt_s390.h" #define AES_KEYLEN_128 1 @@ -587,6 +588,11 @@ static int xts_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, { struct s390_xts_ctx *xts_ctx = crypto_tfm_ctx(tfm); u32 *flags = &tfm->crt_flags; + int err; + + err = xts_check_key(tfm, in_key, key_len); + if (err) + return err; switch (key_len) { case 32: diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c index 3633ad6..064c7e2 100644 --- a/arch/x86/crypto/aesni-intel_glue.c +++ b/arch/x86/crypto/aesni-intel_glue.c @@ -639,16 +639,11 @@ static int xts_aesni_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) { struct aesni_xts_ctx *ctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; int err; - /* key consists of keys of equal size concatenated, therefore - * the length must be even - */ - if (keylen % 2) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } + err = xts_check_key(tfm, key, keylen); + if (err) + return err; /* first half of xts-key is for crypt */ err = aes_set_key_common(tfm, ctx->raw_crypt_ctx, key, keylen / 2); diff --git a/arch/x86/crypto/camellia_glue.c b/arch/x86/crypto/camellia_glue.c index 5c8b626..aa76cad 100644 --- a/arch/x86/crypto/camellia_glue.c +++ b/arch/x86/crypto/camellia_glue.c @@ -1503,13 +1503,9 @@ int xts_camellia_setkey(struct crypto_tfm *tfm, const u8 *key, u32 *flags = &tfm->crt_flags; int err; - /* key consists of keys of equal size concatenated, therefore - * the length must be even - */ - if (keylen % 2) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } + err = xts_check_key(tfm, key, keylen); + if (err) + return err; /* first half of xts-key is for crypt */ err = __camellia_setkey(&ctx->crypt_ctx, key, keylen / 2, flags); diff --git a/arch/x86/crypto/cast6_avx_glue.c b/arch/x86/crypto/cast6_avx_glue.c index fca4595..50e6847 100644 --- a/arch/x86/crypto/cast6_avx_glue.c +++ b/arch/x86/crypto/cast6_avx_glue.c @@ -329,13 +329,9 @@ static int xts_cast6_setkey(struct crypto_tfm *tfm, const u8 *key, u32 *flags = &tfm->crt_flags; int err; - /* key consists of keys of equal size concatenated, therefore - * the length must be even - */ - if (keylen % 2) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } + err = xts_check_key(tfm, key, keylen); + if (err) + return err; /* first half of xts-key is for crypt */ err = __cast6_setkey(&ctx->crypt_ctx, key, keylen / 2, flags); diff --git a/arch/x86/crypto/serpent_avx_glue.c b/arch/x86/crypto/serpent_avx_glue.c index 5dc3702..6f778d3 100644 --- a/arch/x86/crypto/serpent_avx_glue.c +++ b/arch/x86/crypto/serpent_avx_glue.c @@ -332,16 +332,11 @@ int xts_serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) { struct serpent_xts_ctx *ctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; int err; - /* key consists of keys of equal size concatenated, therefore - * the length must be even - */ - if (keylen % 2) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } + err = xts_check_key(tfm, key, keylen); + if (err) + return err; /* first half of xts-key is for crypt */ err = __serpent_setkey(&ctx->crypt_ctx, key, keylen / 2); diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c index 3643dd5..8943407 100644 --- a/arch/x86/crypto/serpent_sse2_glue.c +++ b/arch/x86/crypto/serpent_sse2_glue.c @@ -309,16 +309,11 @@ static int xts_serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) { struct serpent_xts_ctx *ctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; int err; - /* key consists of keys of equal size concatenated, therefore - * the length must be even - */ - if (keylen % 2) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } + err = xts_check_key(tfm, key, keylen); + if (err) + return err; /* first half of xts-key is for crypt */ err = __serpent_setkey(&ctx->crypt_ctx, key, keylen / 2); diff --git a/arch/x86/crypto/sha-mb/sha1_mb.c b/arch/x86/crypto/sha-mb/sha1_mb.c index a841e97..a8a0224 100644 --- a/arch/x86/crypto/sha-mb/sha1_mb.c +++ b/arch/x86/crypto/sha-mb/sha1_mb.c @@ -762,6 +762,38 @@ static int sha1_mb_async_digest(struct ahash_request *req) return crypto_ahash_digest(mcryptd_req); } +static int sha1_mb_async_export(struct ahash_request *req, void *out) +{ + struct ahash_request *mcryptd_req = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct sha1_mb_ctx *ctx = crypto_ahash_ctx(tfm); + struct mcryptd_ahash *mcryptd_tfm = ctx->mcryptd_tfm; + + memcpy(mcryptd_req, req, sizeof(*req)); + ahash_request_set_tfm(mcryptd_req, &mcryptd_tfm->base); + return crypto_ahash_export(mcryptd_req, out); +} + +static int sha1_mb_async_import(struct ahash_request *req, const void *in) +{ + struct ahash_request *mcryptd_req = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct sha1_mb_ctx *ctx = crypto_ahash_ctx(tfm); + struct mcryptd_ahash *mcryptd_tfm = ctx->mcryptd_tfm; + struct crypto_shash *child = mcryptd_ahash_child(mcryptd_tfm); + struct mcryptd_hash_request_ctx *rctx; + struct shash_desc *desc; + + memcpy(mcryptd_req, req, sizeof(*req)); + ahash_request_set_tfm(mcryptd_req, &mcryptd_tfm->base); + rctx = ahash_request_ctx(mcryptd_req); + desc = &rctx->desc; + desc->tfm = child; + desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; + + return crypto_ahash_import(mcryptd_req, in); +} + static int sha1_mb_async_init_tfm(struct crypto_tfm *tfm) { struct mcryptd_ahash *mcryptd_tfm; @@ -796,8 +828,11 @@ static struct ahash_alg sha1_mb_async_alg = { .final = sha1_mb_async_final, .finup = sha1_mb_async_finup, .digest = sha1_mb_async_digest, + .export = sha1_mb_async_export, + .import = sha1_mb_async_import, .halg = { .digestsize = SHA1_DIGEST_SIZE, + .statesize = sizeof(struct sha1_hash_ctx), .base = { .cra_name = "sha1", .cra_driver_name = "sha1_mb", diff --git a/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S b/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S index 2ab9560..c420d89 100644 --- a/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S +++ b/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S @@ -197,7 +197,7 @@ len_is_0: vpinsrd $1, _args_digest+1*32(state , idx, 4), %xmm0, %xmm0 vpinsrd $2, _args_digest+2*32(state , idx, 4), %xmm0, %xmm0 vpinsrd $3, _args_digest+3*32(state , idx, 4), %xmm0, %xmm0 - movl 4*32(state, idx, 4), DWORD_tmp + movl _args_digest+4*32(state, idx, 4), DWORD_tmp vmovdqu %xmm0, _result_digest(job_rax) movl DWORD_tmp, _result_digest+1*16(job_rax) diff --git a/arch/x86/crypto/twofish_glue_3way.c b/arch/x86/crypto/twofish_glue_3way.c index 56d8a08..2ebb5e9 100644 --- a/arch/x86/crypto/twofish_glue_3way.c +++ b/arch/x86/crypto/twofish_glue_3way.c @@ -277,13 +277,9 @@ int xts_twofish_setkey(struct crypto_tfm *tfm, const u8 *key, u32 *flags = &tfm->crt_flags; int err; - /* key consists of keys of equal size concatenated, therefore - * the length must be even - */ - if (keylen % 2) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } + err = xts_check_key(tfm, key, keylen); + if (err) + return err; /* first half of xts-key is for crypt */ err = __twofish_setkey(&ctx->crypt_ctx, key, keylen / 2, flags); diff --git a/crypto/Kconfig b/crypto/Kconfig index 3be07ad..93a1fdc 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -84,15 +84,6 @@ config CRYPTO_RNG_DEFAULT tristate select CRYPTO_DRBG_MENU -config CRYPTO_PCOMP - tristate - select CRYPTO_PCOMP2 - select CRYPTO_ALGAPI - -config CRYPTO_PCOMP2 - tristate - select CRYPTO_ALGAPI2 - config CRYPTO_AKCIPHER2 tristate select CRYPTO_ALGAPI2 @@ -122,7 +113,6 @@ config CRYPTO_MANAGER2 select CRYPTO_AEAD2 select CRYPTO_HASH2 select CRYPTO_BLKCIPHER2 - select CRYPTO_PCOMP2 select CRYPTO_AKCIPHER2 config CRYPTO_USER @@ -227,6 +217,9 @@ config CRYPTO_GLUE_HELPER_X86 depends on X86 select CRYPTO_ALGAPI +config CRYPTO_ENGINE + tristate + comment "Authenticated Encryption with Associated Data" config CRYPTO_CCM @@ -1506,15 +1499,6 @@ config CRYPTO_DEFLATE You will most probably want this if using IPSec. -config CRYPTO_ZLIB - tristate "Zlib compression algorithm" - select CRYPTO_PCOMP - select ZLIB_INFLATE - select ZLIB_DEFLATE - select NLATTR - help - This is the zlib algorithm. - config CRYPTO_LZO tristate "LZO compression algorithm" select CRYPTO_ALGAPI @@ -1595,6 +1579,7 @@ endif # if CRYPTO_DRBG_MENU config CRYPTO_JITTERENTROPY tristate "Jitterentropy Non-Deterministic Random Number Generator" + select CRYPTO_RNG help The Jitterentropy RNG is a noise that is intended to provide seed to another RNG. The RNG does not diff --git a/crypto/Makefile b/crypto/Makefile index 2acdbbd..4f4ef7e 100644 --- a/crypto/Makefile +++ b/crypto/Makefile @@ -7,6 +7,7 @@ crypto-y := api.o cipher.o compress.o memneq.o obj-$(CONFIG_CRYPTO_WORKQUEUE) += crypto_wq.o +obj-$(CONFIG_CRYPTO_ENGINE) += crypto_engine.o obj-$(CONFIG_CRYPTO_FIPS) += fips.o crypto_algapi-$(CONFIG_PROC_FS) += proc.o @@ -28,7 +29,6 @@ crypto_hash-y += ahash.o crypto_hash-y += shash.o obj-$(CONFIG_CRYPTO_HASH2) += crypto_hash.o -obj-$(CONFIG_CRYPTO_PCOMP2) += pcompress.o obj-$(CONFIG_CRYPTO_AKCIPHER2) += akcipher.o $(obj)/rsapubkey-asn1.o: $(obj)/rsapubkey-asn1.c $(obj)/rsapubkey-asn1.h @@ -99,10 +99,9 @@ obj-$(CONFIG_CRYPTO_SALSA20) += salsa20_generic.o obj-$(CONFIG_CRYPTO_CHACHA20) += chacha20_generic.o obj-$(CONFIG_CRYPTO_POLY1305) += poly1305_generic.o obj-$(CONFIG_CRYPTO_DEFLATE) += deflate.o -obj-$(CONFIG_CRYPTO_ZLIB) += zlib.o obj-$(CONFIG_CRYPTO_MICHAEL_MIC) += michael_mic.o obj-$(CONFIG_CRYPTO_CRC32C) += crc32c_generic.o -obj-$(CONFIG_CRYPTO_CRC32) += crc32.o +obj-$(CONFIG_CRYPTO_CRC32) += crc32_generic.o obj-$(CONFIG_CRYPTO_CRCT10DIF) += crct10dif_common.o crct10dif_generic.o obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.o authencesn.o obj-$(CONFIG_CRYPTO_LZO) += lzo.o diff --git a/crypto/ahash.c b/crypto/ahash.c index d19b523..5fc1f17 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -166,24 +166,6 @@ int crypto_ahash_walk_first(struct ahash_request *req, } EXPORT_SYMBOL_GPL(crypto_ahash_walk_first); -int crypto_hash_walk_first_compat(struct hash_desc *hdesc, - struct crypto_hash_walk *walk, - struct scatterlist *sg, unsigned int len) -{ - walk->total = len; - - if (!walk->total) { - walk->entrylen = 0; - return 0; - } - - walk->alignmask = crypto_hash_alignmask(hdesc->tfm); - walk->sg = sg; - walk->flags = hdesc->flags & CRYPTO_TFM_REQ_MASK; - - return hash_walk_new_entry(walk); -} - static int ahash_setkey_unaligned(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen) { @@ -542,6 +524,12 @@ struct crypto_ahash *crypto_alloc_ahash(const char *alg_name, u32 type, } EXPORT_SYMBOL_GPL(crypto_alloc_ahash); +int crypto_has_ahash(const char *alg_name, u32 type, u32 mask) +{ + return crypto_type_has_alg(alg_name, &crypto_ahash_type, type, mask); +} +EXPORT_SYMBOL_GPL(crypto_has_ahash); + static int ahash_prepare_alg(struct ahash_alg *alg) { struct crypto_alg *base = &alg->halg.base; diff --git a/crypto/algapi.c b/crypto/algapi.c index 7be76aa..731255a 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -987,6 +987,21 @@ unsigned int crypto_alg_extsize(struct crypto_alg *alg) } EXPORT_SYMBOL_GPL(crypto_alg_extsize); +int crypto_type_has_alg(const char *name, const struct crypto_type *frontend, + u32 type, u32 mask) +{ + int ret = 0; + struct crypto_alg *alg = crypto_find_alg(name, frontend, type, mask); + + if (!IS_ERR(alg)) { + crypto_mod_put(alg); + ret = 1; + } + + return ret; +} +EXPORT_SYMBOL_GPL(crypto_type_has_alg); + static int __init crypto_algapi_init(void) { crypto_init_proc(); diff --git a/crypto/crc32.c b/crypto/crc32_generic.c index 187ded2..aa2a25f 100644 --- a/crypto/crc32.c +++ b/crypto/crc32_generic.c @@ -131,7 +131,7 @@ static struct shash_alg alg = { .digestsize = CHKSUM_DIGEST_SIZE, .base = { .cra_name = "crc32", - .cra_driver_name = "crc32-table", + .cra_driver_name = "crc32-generic", .cra_priority = 100, .cra_blocksize = CHKSUM_BLOCK_SIZE, .cra_ctxsize = sizeof(u32), @@ -157,3 +157,4 @@ MODULE_AUTHOR("Alexander Boyko <alexander_boyko@xyratex.com>"); MODULE_DESCRIPTION("CRC32 calculations wrapper for lib/crc32"); MODULE_LICENSE("GPL"); MODULE_ALIAS_CRYPTO("crc32"); +MODULE_ALIAS_CRYPTO("crc32-generic"); diff --git a/crypto/crypto_engine.c b/crypto/crypto_engine.c new file mode 100644 index 0000000..a55c82d --- /dev/null +++ b/crypto/crypto_engine.c @@ -0,0 +1,355 @@ +/* + * Handle async block request by crypto hardware engine. + * + * Copyright (C) 2016 Linaro, Inc. + * + * Author: Baolin Wang <baolin.wang@linaro.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ + +#include <linux/err.h> +#include <linux/delay.h> +#include "internal.h" + +#define CRYPTO_ENGINE_MAX_QLEN 10 + +void crypto_finalize_request(struct crypto_engine *engine, + struct ablkcipher_request *req, int err); + +/** + * crypto_pump_requests - dequeue one request from engine queue to process + * @engine: the hardware engine + * @in_kthread: true if we are in the context of the request pump thread + * + * This function checks if there is any request in the engine queue that + * needs processing and if so call out to the driver to initialize hardware + * and handle each request. + */ +static void crypto_pump_requests(struct crypto_engine *engine, + bool in_kthread) +{ + struct crypto_async_request *async_req, *backlog; + struct ablkcipher_request *req; + unsigned long flags; + bool was_busy = false; + int ret; + + spin_lock_irqsave(&engine->queue_lock, flags); + + /* Make sure we are not already running a request */ + if (engine->cur_req) + goto out; + + /* If another context is idling then defer */ + if (engine->idling) { + queue_kthread_work(&engine->kworker, &engine->pump_requests); + goto out; + } + + /* Check if the engine queue is idle */ + if (!crypto_queue_len(&engine->queue) || !engine->running) { + if (!engine->busy) + goto out; + + /* Only do teardown in the thread */ + if (!in_kthread) { + queue_kthread_work(&engine->kworker, + &engine->pump_requests); + goto out; + } + + engine->busy = false; + engine->idling = true; + spin_unlock_irqrestore(&engine->queue_lock, flags); + + if (engine->unprepare_crypt_hardware && + engine->unprepare_crypt_hardware(engine)) + pr_err("failed to unprepare crypt hardware\n"); + + spin_lock_irqsave(&engine->queue_lock, flags); + engine->idling = false; + goto out; + } + + /* Get the fist request from the engine queue to handle */ + backlog = crypto_get_backlog(&engine->queue); + async_req = crypto_dequeue_request(&engine->queue); + if (!async_req) + goto out; + + req = ablkcipher_request_cast(async_req); + + engine->cur_req = req; + if (backlog) + backlog->complete(backlog, -EINPROGRESS); + + if (engine->busy) + was_busy = true; + else + engine->busy = true; + + spin_unlock_irqrestore(&engine->queue_lock, flags); + + /* Until here we get the request need to be encrypted successfully */ + if (!was_busy && engine->prepare_crypt_hardware) { + ret = engine->prepare_crypt_hardware(engine); + if (ret) { + pr_err("failed to prepare crypt hardware\n"); + goto req_err; + } + } + + if (engine->prepare_request) { + ret = engine->prepare_request(engine, engine->cur_req); + if (ret) { + pr_err("failed to prepare request: %d\n", ret); + goto req_err; + } + engine->cur_req_prepared = true; + } + + ret = engine->crypt_one_request(engine, engine->cur_req); + if (ret) { + pr_err("failed to crypt one request from queue\n"); + goto req_err; + } + return; + +req_err: + crypto_finalize_request(engine, engine->cur_req, ret); + return; + +out: + spin_unlock_irqrestore(&engine->queue_lock, flags); +} + +static void crypto_pump_work(struct kthread_work *work) +{ + struct crypto_engine *engine = + container_of(work, struct crypto_engine, pump_requests); + + crypto_pump_requests(engine, true); +} + +/** + * crypto_transfer_request - transfer the new request into the engine queue + * @engine: the hardware engine + * @req: the request need to be listed into the engine queue + */ +int crypto_transfer_request(struct crypto_engine *engine, + struct ablkcipher_request *req, bool need_pump) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&engine->queue_lock, flags); + + if (!engine->running) { + spin_unlock_irqrestore(&engine->queue_lock, flags); + return -ESHUTDOWN; + } + + ret = ablkcipher_enqueue_request(&engine->queue, req); + + if (!engine->busy && need_pump) + queue_kthread_work(&engine->kworker, &engine->pump_requests); + + spin_unlock_irqrestore(&engine->queue_lock, flags); + return ret; +} +EXPORT_SYMBOL_GPL(crypto_transfer_request); + +/** + * crypto_transfer_request_to_engine - transfer one request to list into the + * engine queue + * @engine: the hardware engine + * @req: the request need to be listed into the engine queue + */ +int crypto_transfer_request_to_engine(struct crypto_engine *engine, + struct ablkcipher_request *req) +{ + return crypto_transfer_request(engine, req, true); +} +EXPORT_SYMBOL_GPL(crypto_transfer_request_to_engine); + +/** + * crypto_finalize_request - finalize one request if the request is done + * @engine: the hardware engine + * @req: the request need to be finalized + * @err: error number + */ +void crypto_finalize_request(struct crypto_engine *engine, + struct ablkcipher_request *req, int err) +{ + unsigned long flags; + bool finalize_cur_req = false; + int ret; + + spin_lock_irqsave(&engine->queue_lock, flags); + if (engine->cur_req == req) + finalize_cur_req = true; + spin_unlock_irqrestore(&engine->queue_lock, flags); + + if (finalize_cur_req) { + if (engine->cur_req_prepared && engine->unprepare_request) { + ret = engine->unprepare_request(engine, req); + if (ret) + pr_err("failed to unprepare request\n"); + } + + spin_lock_irqsave(&engine->queue_lock, flags); + engine->cur_req = NULL; + engine->cur_req_prepared = false; + spin_unlock_irqrestore(&engine->queue_lock, flags); + } + + req->base.complete(&req->base, err); + + queue_kthread_work(&engine->kworker, &engine->pump_requests); +} +EXPORT_SYMBOL_GPL(crypto_finalize_request); + +/** + * crypto_engine_start - start the hardware engine + * @engine: the hardware engine need to be started + * + * Return 0 on success, else on fail. + */ +int crypto_engine_start(struct crypto_engine *engine) +{ + unsigned long flags; + + spin_lock_irqsave(&engine->queue_lock, flags); + + if (engine->running || engine->busy) { + spin_unlock_irqrestore(&engine->queue_lock, flags); + return -EBUSY; + } + + engine->running = true; + spin_unlock_irqrestore(&engine->queue_lock, flags); + + queue_kthread_work(&engine->kworker, &engine->pump_requests); + + return 0; +} +EXPORT_SYMBOL_GPL(crypto_engine_start); + +/** + * crypto_engine_stop - stop the hardware engine + * @engine: the hardware engine need to be stopped + * + * Return 0 on success, else on fail. + */ +int crypto_engine_stop(struct crypto_engine *engine) +{ + unsigned long flags; + unsigned limit = 500; + int ret = 0; + + spin_lock_irqsave(&engine->queue_lock, flags); + + /* + * If the engine queue is not empty or the engine is on busy state, + * we need to wait for a while to pump the requests of engine queue. + */ + while ((crypto_queue_len(&engine->queue) || engine->busy) && limit--) { + spin_unlock_irqrestore(&engine->queue_lock, flags); + msleep(20); + spin_lock_irqsave(&engine->queue_lock, flags); + } + + if (crypto_queue_len(&engine->queue) || engine->busy) + ret = -EBUSY; + else + engine->running = false; + + spin_unlock_irqrestore(&engine->queue_lock, flags); + + if (ret) + pr_warn("could not stop engine\n"); + + return ret; +} +EXPORT_SYMBOL_GPL(crypto_engine_stop); + +/** + * crypto_engine_alloc_init - allocate crypto hardware engine structure and + * initialize it. + * @dev: the device attached with one hardware engine + * @rt: whether this queue is set to run as a realtime task + * + * This must be called from context that can sleep. + * Return: the crypto engine structure on success, else NULL. + */ +struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt) +{ + struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 }; + struct crypto_engine *engine; + + if (!dev) + return NULL; + + engine = devm_kzalloc(dev, sizeof(*engine), GFP_KERNEL); + if (!engine) + return NULL; + + engine->rt = rt; + engine->running = false; + engine->busy = false; + engine->idling = false; + engine->cur_req_prepared = false; + engine->priv_data = dev; + snprintf(engine->name, sizeof(engine->name), + "%s-engine", dev_name(dev)); + + crypto_init_queue(&engine->queue, CRYPTO_ENGINE_MAX_QLEN); + spin_lock_init(&engine->queue_lock); + + init_kthread_worker(&engine->kworker); + engine->kworker_task = kthread_run(kthread_worker_fn, + &engine->kworker, "%s", + engine->name); + if (IS_ERR(engine->kworker_task)) { + dev_err(dev, "failed to create crypto request pump task\n"); + return NULL; + } + init_kthread_work(&engine->pump_requests, crypto_pump_work); + + if (engine->rt) { + dev_info(dev, "will run requests pump with realtime priority\n"); + sched_setscheduler(engine->kworker_task, SCHED_FIFO, ¶m); + } + + return engine; +} +EXPORT_SYMBOL_GPL(crypto_engine_alloc_init); + +/** + * crypto_engine_exit - free the resources of hardware engine when exit + * @engine: the hardware engine need to be freed + * + * Return 0 for success. + */ +int crypto_engine_exit(struct crypto_engine *engine) +{ + int ret; + + ret = crypto_engine_stop(engine); + if (ret) + return ret; + + flush_kthread_worker(&engine->kworker); + kthread_stop(engine->kworker_task); + + return 0; +} +EXPORT_SYMBOL_GPL(crypto_engine_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Crypto hardware engine framework"); diff --git a/crypto/drbg.c b/crypto/drbg.c index ab6ef1d..1b86310 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -220,48 +220,6 @@ static inline unsigned short drbg_sec_strength(drbg_flag_t flags) } /* - * FIPS 140-2 continuous self test - * The test is performed on the result of one round of the output - * function. Thus, the function implicitly knows the size of the - * buffer. - * - * @drbg DRBG handle - * @buf output buffer of random data to be checked - * - * return: - * true on success - * false on error - */ -static bool drbg_fips_continuous_test(struct drbg_state *drbg, - const unsigned char *buf) -{ -#ifdef CONFIG_CRYPTO_FIPS - int ret = 0; - /* skip test if we test the overall system */ - if (list_empty(&drbg->test_data.list)) - return true; - /* only perform test in FIPS mode */ - if (0 == fips_enabled) - return true; - if (!drbg->fips_primed) { - /* Priming of FIPS test */ - memcpy(drbg->prev, buf, drbg_blocklen(drbg)); - drbg->fips_primed = true; - /* return false due to priming, i.e. another round is needed */ - return false; - } - ret = memcmp(drbg->prev, buf, drbg_blocklen(drbg)); - if (!ret) - panic("DRBG continuous self test failed\n"); - memcpy(drbg->prev, buf, drbg_blocklen(drbg)); - /* the test shall pass when the two compared values are not equal */ - return ret != 0; -#else - return true; -#endif /* CONFIG_CRYPTO_FIPS */ -} - -/* * Convert an integer into a byte representation of this integer. * The byte representation is big-endian * @@ -603,11 +561,6 @@ static int drbg_ctr_generate(struct drbg_state *drbg, } outlen = (drbg_blocklen(drbg) < (buflen - len)) ? drbg_blocklen(drbg) : (buflen - len); - if (!drbg_fips_continuous_test(drbg, drbg->scratchpad)) { - /* 10.2.1.5.2 step 6 */ - crypto_inc(drbg->V, drbg_blocklen(drbg)); - continue; - } /* 10.2.1.5.2 step 4.3 */ memcpy(buf + len, drbg->scratchpad, outlen); len += outlen; @@ -733,8 +686,6 @@ static int drbg_hmac_generate(struct drbg_state *drbg, return ret; outlen = (drbg_blocklen(drbg) < (buflen - len)) ? drbg_blocklen(drbg) : (buflen - len); - if (!drbg_fips_continuous_test(drbg, drbg->V)) - continue; /* 10.1.2.5 step 4.2 */ memcpy(buf + len, drbg->V, outlen); @@ -963,10 +914,6 @@ static int drbg_hash_hashgen(struct drbg_state *drbg, } outlen = (drbg_blocklen(drbg) < (buflen - len)) ? drbg_blocklen(drbg) : (buflen - len); - if (!drbg_fips_continuous_test(drbg, dst)) { - crypto_inc(src, drbg_statelen(drbg)); - continue; - } /* 10.1.1.4 step hashgen 4.2 */ memcpy(buf + len, dst, outlen); len += outlen; @@ -1201,11 +1148,6 @@ static inline void drbg_dealloc_state(struct drbg_state *drbg) drbg->reseed_ctr = 0; drbg->d_ops = NULL; drbg->core = NULL; -#ifdef CONFIG_CRYPTO_FIPS - kzfree(drbg->prev); - drbg->prev = NULL; - drbg->fips_primed = false; -#endif } /* @@ -1244,12 +1186,6 @@ static inline int drbg_alloc_state(struct drbg_state *drbg) drbg->C = kmalloc(drbg_statelen(drbg), GFP_KERNEL); if (!drbg->C) goto err; -#ifdef CONFIG_CRYPTO_FIPS - drbg->prev = kmalloc(drbg_blocklen(drbg), GFP_KERNEL); - if (!drbg->prev) - goto err; - drbg->fips_primed = false; -#endif /* scratchpad is only generated for CTR and Hash */ if (drbg->core->flags & DRBG_HMAC) sb_size = 0; diff --git a/crypto/internal.h b/crypto/internal.h index 00e42a3..7eefcdb 100644 --- a/crypto/internal.h +++ b/crypto/internal.h @@ -104,6 +104,9 @@ int crypto_probing_notify(unsigned long val, void *v); unsigned int crypto_alg_extsize(struct crypto_alg *alg); +int crypto_type_has_alg(const char *name, const struct crypto_type *frontend, + u32 type, u32 mask); + static inline struct crypto_alg *crypto_alg_get(struct crypto_alg *alg) { atomic_inc(&alg->cra_refcnt); diff --git a/crypto/keywrap.c b/crypto/keywrap.c index b1d106c..72014f9 100644 --- a/crypto/keywrap.c +++ b/crypto/keywrap.c @@ -212,7 +212,7 @@ static int crypto_kw_decrypt(struct blkcipher_desc *desc, SEMIBSIZE)) ret = -EBADMSG; - memzero_explicit(&block, sizeof(struct crypto_kw_block)); + memzero_explicit(block, sizeof(struct crypto_kw_block)); return ret; } @@ -297,7 +297,7 @@ static int crypto_kw_encrypt(struct blkcipher_desc *desc, /* establish the IV for the caller to pick up */ memcpy(desc->info, block->A, SEMIBSIZE); - memzero_explicit(&block, sizeof(struct crypto_kw_block)); + memzero_explicit(block, sizeof(struct crypto_kw_block)); return 0; } diff --git a/crypto/mcryptd.c b/crypto/mcryptd.c index f78d4fc..c4eb9da 100644 --- a/crypto/mcryptd.c +++ b/crypto/mcryptd.c @@ -522,6 +522,7 @@ static int mcryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, inst->alg.halg.base.cra_flags = type; inst->alg.halg.digestsize = salg->digestsize; + inst->alg.halg.statesize = salg->statesize; inst->alg.halg.base.cra_ctxsize = sizeof(struct mcryptd_hash_ctx); inst->alg.halg.base.cra_init = mcryptd_hash_init_tfm; diff --git a/crypto/pcompress.c b/crypto/pcompress.c deleted file mode 100644 index 7a13b40..0000000 --- a/crypto/pcompress.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Cryptographic API. - * - * Partial (de)compression operations. - * - * Copyright 2008 Sony Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. - * If not, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/crypto.h> -#include <linux/errno.h> -#include <linux/module.h> -#include <linux/seq_file.h> -#include <linux/string.h> -#include <linux/cryptouser.h> -#include <net/netlink.h> - -#include <crypto/compress.h> -#include <crypto/internal/compress.h> - -#include "internal.h" - - -static int crypto_pcomp_init(struct crypto_tfm *tfm, u32 type, u32 mask) -{ - return 0; -} - -static int crypto_pcomp_init_tfm(struct crypto_tfm *tfm) -{ - return 0; -} - -#ifdef CONFIG_NET -static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg) -{ - struct crypto_report_comp rpcomp; - - strncpy(rpcomp.type, "pcomp", sizeof(rpcomp.type)); - if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS, - sizeof(struct crypto_report_comp), &rpcomp)) - goto nla_put_failure; - return 0; - -nla_put_failure: - return -EMSGSIZE; -} -#else -static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg) -{ - return -ENOSYS; -} -#endif - -static void crypto_pcomp_show(struct seq_file *m, struct crypto_alg *alg) - __attribute__ ((unused)); -static void crypto_pcomp_show(struct seq_file *m, struct crypto_alg *alg) -{ - seq_printf(m, "type : pcomp\n"); -} - -static const struct crypto_type crypto_pcomp_type = { - .extsize = crypto_alg_extsize, - .init = crypto_pcomp_init, - .init_tfm = crypto_pcomp_init_tfm, -#ifdef CONFIG_PROC_FS - .show = crypto_pcomp_show, -#endif - .report = crypto_pcomp_report, - .maskclear = ~CRYPTO_ALG_TYPE_MASK, - .maskset = CRYPTO_ALG_TYPE_MASK, - .type = CRYPTO_ALG_TYPE_PCOMPRESS, - .tfmsize = offsetof(struct crypto_pcomp, base), -}; - -struct crypto_pcomp *crypto_alloc_pcomp(const char *alg_name, u32 type, - u32 mask) -{ - return crypto_alloc_tfm(alg_name, &crypto_pcomp_type, type, mask); -} -EXPORT_SYMBOL_GPL(crypto_alloc_pcomp); - -int crypto_register_pcomp(struct pcomp_alg *alg) -{ - struct crypto_alg *base = &alg->base; - - base->cra_type = &crypto_pcomp_type; - base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; - base->cra_flags |= CRYPTO_ALG_TYPE_PCOMPRESS; - - return crypto_register_alg(base); -} -EXPORT_SYMBOL_GPL(crypto_register_pcomp); - -int crypto_unregister_pcomp(struct pcomp_alg *alg) -{ - return crypto_unregister_alg(&alg->base); -} -EXPORT_SYMBOL_GPL(crypto_unregister_pcomp); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Partial (de)compression type"); -MODULE_AUTHOR("Sony Corporation"); diff --git a/crypto/shash.c b/crypto/shash.c index 3597545..a051541 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -368,151 +368,6 @@ int crypto_init_shash_ops_async(struct crypto_tfm *tfm) return 0; } -static int shash_compat_setkey(struct crypto_hash *tfm, const u8 *key, - unsigned int keylen) -{ - struct shash_desc **descp = crypto_hash_ctx(tfm); - struct shash_desc *desc = *descp; - - return crypto_shash_setkey(desc->tfm, key, keylen); -} - -static int shash_compat_init(struct hash_desc *hdesc) -{ - struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm); - struct shash_desc *desc = *descp; - - desc->flags = hdesc->flags; - - return crypto_shash_init(desc); -} - -static int shash_compat_update(struct hash_desc *hdesc, struct scatterlist *sg, - unsigned int len) -{ - struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm); - struct shash_desc *desc = *descp; - struct crypto_hash_walk walk; - int nbytes; - - for (nbytes = crypto_hash_walk_first_compat(hdesc, &walk, sg, len); - nbytes > 0; nbytes = crypto_hash_walk_done(&walk, nbytes)) - nbytes = crypto_shash_update(desc, walk.data, nbytes); - - return nbytes; -} - -static int shash_compat_final(struct hash_desc *hdesc, u8 *out) -{ - struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm); - - return crypto_shash_final(*descp, out); -} - -static int shash_compat_digest(struct hash_desc *hdesc, struct scatterlist *sg, - unsigned int nbytes, u8 *out) -{ - unsigned int offset = sg->offset; - int err; - - if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) { - struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm); - struct shash_desc *desc = *descp; - void *data; - - desc->flags = hdesc->flags; - - data = kmap_atomic(sg_page(sg)); - err = crypto_shash_digest(desc, data + offset, nbytes, out); - kunmap_atomic(data); - crypto_yield(desc->flags); - goto out; - } - - err = shash_compat_init(hdesc); - if (err) - goto out; - - err = shash_compat_update(hdesc, sg, nbytes); - if (err) - goto out; - - err = shash_compat_final(hdesc, out); - -out: - return err; -} - -static void crypto_exit_shash_ops_compat(struct crypto_tfm *tfm) -{ - struct shash_desc **descp = crypto_tfm_ctx(tfm); - struct shash_desc *desc = *descp; - - crypto_free_shash(desc->tfm); - kzfree(desc); -} - -static int crypto_init_shash_ops_compat(struct crypto_tfm *tfm) -{ - struct hash_tfm *crt = &tfm->crt_hash; - struct crypto_alg *calg = tfm->__crt_alg; - struct shash_alg *alg = __crypto_shash_alg(calg); - struct shash_desc **descp = crypto_tfm_ctx(tfm); - struct crypto_shash *shash; - struct shash_desc *desc; - - if (!crypto_mod_get(calg)) - return -EAGAIN; - - shash = crypto_create_tfm(calg, &crypto_shash_type); - if (IS_ERR(shash)) { - crypto_mod_put(calg); - return PTR_ERR(shash); - } - - desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(shash), - GFP_KERNEL); - if (!desc) { - crypto_free_shash(shash); - return -ENOMEM; - } - - *descp = desc; - desc->tfm = shash; - tfm->exit = crypto_exit_shash_ops_compat; - - crt->init = shash_compat_init; - crt->update = shash_compat_update; - crt->final = shash_compat_final; - crt->digest = shash_compat_digest; - crt->setkey = shash_compat_setkey; - - crt->digestsize = alg->digestsize; - - return 0; -} - -static int crypto_init_shash_ops(struct crypto_tfm *tfm, u32 type, u32 mask) -{ - switch (mask & CRYPTO_ALG_TYPE_MASK) { - case CRYPTO_ALG_TYPE_HASH_MASK: - return crypto_init_shash_ops_compat(tfm); - } - - return -EINVAL; -} - -static unsigned int crypto_shash_ctxsize(struct crypto_alg *alg, u32 type, - u32 mask) -{ - switch (mask & CRYPTO_ALG_TYPE_MASK) { - case CRYPTO_ALG_TYPE_HASH_MASK: - return sizeof(struct shash_desc *); - } - - return 0; -} - static int crypto_shash_init_tfm(struct crypto_tfm *tfm) { struct crypto_shash *hash = __crypto_shash_cast(tfm); @@ -559,9 +414,7 @@ static void crypto_shash_show(struct seq_file *m, struct crypto_alg *alg) } static const struct crypto_type crypto_shash_type = { - .ctxsize = crypto_shash_ctxsize, .extsize = crypto_alg_extsize, - .init = crypto_init_shash_ops, .init_tfm = crypto_shash_init_tfm, #ifdef CONFIG_PROC_FS .show = crypto_shash_show, diff --git a/crypto/skcipher.c b/crypto/skcipher.c index d199c0b..69230e9 100644 --- a/crypto/skcipher.c +++ b/crypto/skcipher.c @@ -118,7 +118,7 @@ static int crypto_init_skcipher_ops_blkcipher(struct crypto_tfm *tfm) skcipher->decrypt = skcipher_decrypt_blkcipher; skcipher->ivsize = crypto_blkcipher_ivsize(blkcipher); - skcipher->has_setkey = calg->cra_blkcipher.max_keysize; + skcipher->keysize = calg->cra_blkcipher.max_keysize; return 0; } @@ -211,7 +211,7 @@ static int crypto_init_skcipher_ops_ablkcipher(struct crypto_tfm *tfm) skcipher->ivsize = crypto_ablkcipher_ivsize(ablkcipher); skcipher->reqsize = crypto_ablkcipher_reqsize(ablkcipher) + sizeof(struct ablkcipher_request); - skcipher->has_setkey = calg->cra_ablkcipher.max_keysize; + skcipher->keysize = calg->cra_ablkcipher.max_keysize; return 0; } diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 270bc4b..579dce0 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -554,164 +554,6 @@ out: crypto_free_blkcipher(tfm); } -static int test_hash_jiffies_digest(struct hash_desc *desc, - struct scatterlist *sg, int blen, - char *out, int secs) -{ - unsigned long start, end; - int bcount; - int ret; - - for (start = jiffies, end = start + secs * HZ, bcount = 0; - time_before(jiffies, end); bcount++) { - ret = crypto_hash_digest(desc, sg, blen, out); - if (ret) - return ret; - } - - printk("%6u opers/sec, %9lu bytes/sec\n", - bcount / secs, ((long)bcount * blen) / secs); - - return 0; -} - -static int test_hash_jiffies(struct hash_desc *desc, struct scatterlist *sg, - int blen, int plen, char *out, int secs) -{ - unsigned long start, end; - int bcount, pcount; - int ret; - - if (plen == blen) - return test_hash_jiffies_digest(desc, sg, blen, out, secs); - - for (start = jiffies, end = start + secs * HZ, bcount = 0; - time_before(jiffies, end); bcount++) { - ret = crypto_hash_init(desc); - if (ret) - return ret; - for (pcount = 0; pcount < blen; pcount += plen) { - ret = crypto_hash_update(desc, sg, plen); - if (ret) - return ret; - } - /* we assume there is enough space in 'out' for the result */ - ret = crypto_hash_final(desc, out); - if (ret) - return ret; - } - - printk("%6u opers/sec, %9lu bytes/sec\n", - bcount / secs, ((long)bcount * blen) / secs); - - return 0; -} - -static int test_hash_cycles_digest(struct hash_desc *desc, - struct scatterlist *sg, int blen, char *out) -{ - unsigned long cycles = 0; - int i; - int ret; - - local_irq_disable(); - - /* Warm-up run. */ - for (i = 0; i < 4; i++) { - ret = crypto_hash_digest(desc, sg, blen, out); - if (ret) - goto out; - } - - /* The real thing. */ - for (i = 0; i < 8; i++) { - cycles_t start, end; - - start = get_cycles(); - - ret = crypto_hash_digest(desc, sg, blen, out); - if (ret) - goto out; - - end = get_cycles(); - - cycles += end - start; - } - -out: - local_irq_enable(); - - if (ret) - return ret; - - printk("%6lu cycles/operation, %4lu cycles/byte\n", - cycles / 8, cycles / (8 * blen)); - - return 0; -} - -static int test_hash_cycles(struct hash_desc *desc, struct scatterlist *sg, - int blen, int plen, char *out) -{ - unsigned long cycles = 0; - int i, pcount; - int ret; - - if (plen == blen) - return test_hash_cycles_digest(desc, sg, blen, out); - - local_irq_disable(); - - /* Warm-up run. */ - for (i = 0; i < 4; i++) { - ret = crypto_hash_init(desc); - if (ret) - goto out; - for (pcount = 0; pcount < blen; pcount += plen) { - ret = crypto_hash_update(desc, sg, plen); - if (ret) - goto out; - } - ret = crypto_hash_final(desc, out); - if (ret) - goto out; - } - - /* The real thing. */ - for (i = 0; i < 8; i++) { - cycles_t start, end; - - start = get_cycles(); - - ret = crypto_hash_init(desc); - if (ret) - goto out; - for (pcount = 0; pcount < blen; pcount += plen) { - ret = crypto_hash_update(desc, sg, plen); - if (ret) - goto out; - } - ret = crypto_hash_final(desc, out); - if (ret) - goto out; - - end = get_cycles(); - - cycles += end - start; - } - -out: - local_irq_enable(); - - if (ret) - return ret; - - printk("%6lu cycles/operation, %4lu cycles/byte\n", - cycles / 8, cycles / (8 * blen)); - - return 0; -} - static void test_hash_sg_init(struct scatterlist *sg) { int i; @@ -723,69 +565,6 @@ static void test_hash_sg_init(struct scatterlist *sg) } } -static void test_hash_speed(const char *algo, unsigned int secs, - struct hash_speed *speed) -{ - struct scatterlist sg[TVMEMSIZE]; - struct crypto_hash *tfm; - struct hash_desc desc; - static char output[1024]; - int i; - int ret; - - tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC); - - if (IS_ERR(tfm)) { - printk(KERN_ERR "failed to load transform for %s: %ld\n", algo, - PTR_ERR(tfm)); - return; - } - - printk(KERN_INFO "\ntesting speed of %s (%s)\n", algo, - get_driver_name(crypto_hash, tfm)); - - desc.tfm = tfm; - desc.flags = 0; - - if (crypto_hash_digestsize(tfm) > sizeof(output)) { - printk(KERN_ERR "digestsize(%u) > outputbuffer(%zu)\n", - crypto_hash_digestsize(tfm), sizeof(output)); - goto out; - } - - test_hash_sg_init(sg); - for (i = 0; speed[i].blen != 0; i++) { - if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) { - printk(KERN_ERR - "template (%u) too big for tvmem (%lu)\n", - speed[i].blen, TVMEMSIZE * PAGE_SIZE); - goto out; - } - - if (speed[i].klen) - crypto_hash_setkey(tfm, tvmem[0], speed[i].klen); - - printk(KERN_INFO "test%3u " - "(%5u byte blocks,%5u bytes per update,%4u updates): ", - i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen); - - if (secs) - ret = test_hash_jiffies(&desc, sg, speed[i].blen, - speed[i].plen, output, secs); - else - ret = test_hash_cycles(&desc, sg, speed[i].blen, - speed[i].plen, output); - - if (ret) { - printk(KERN_ERR "hashing failed ret=%d\n", ret); - break; - } - } - -out: - crypto_free_hash(tfm); -} - static inline int do_one_ahash_op(struct ahash_request *req, int ret) { if (ret == -EINPROGRESS || ret == -EBUSY) { @@ -945,8 +724,8 @@ out: return 0; } -static void test_ahash_speed(const char *algo, unsigned int secs, - struct hash_speed *speed) +static void test_ahash_speed_common(const char *algo, unsigned int secs, + struct hash_speed *speed, unsigned mask) { struct scatterlist sg[TVMEMSIZE]; struct tcrypt_result tresult; @@ -955,7 +734,7 @@ static void test_ahash_speed(const char *algo, unsigned int secs, char *output; int i, ret; - tfm = crypto_alloc_ahash(algo, 0, 0); + tfm = crypto_alloc_ahash(algo, 0, mask); if (IS_ERR(tfm)) { pr_err("failed to load transform for %s: %ld\n", algo, PTR_ERR(tfm)); @@ -1021,6 +800,18 @@ out: crypto_free_ahash(tfm); } +static void test_ahash_speed(const char *algo, unsigned int secs, + struct hash_speed *speed) +{ + return test_ahash_speed_common(algo, secs, speed, 0); +} + +static void test_hash_speed(const char *algo, unsigned int secs, + struct hash_speed *speed) +{ + return test_ahash_speed_common(algo, secs, speed, CRYPTO_ALG_ASYNC); +} + static inline int do_one_acipher_op(struct ablkcipher_request *req, int ret) { if (ret == -EINPROGRESS || ret == -EBUSY) { diff --git a/crypto/testmgr.c b/crypto/testmgr.c index ae8c57fd..b86883a 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -96,13 +96,6 @@ struct comp_test_suite { } comp, decomp; }; -struct pcomp_test_suite { - struct { - struct pcomp_testvec *vecs; - unsigned int count; - } comp, decomp; -}; - struct hash_test_suite { struct hash_testvec *vecs; unsigned int count; @@ -133,7 +126,6 @@ struct alg_test_desc { struct aead_test_suite aead; struct cipher_test_suite cipher; struct comp_test_suite comp; - struct pcomp_test_suite pcomp; struct hash_test_suite hash; struct cprng_test_suite cprng; struct drbg_test_suite drbg; @@ -198,6 +190,61 @@ static int wait_async_op(struct tcrypt_result *tr, int ret) return ret; } +static int ahash_partial_update(struct ahash_request **preq, + struct crypto_ahash *tfm, struct hash_testvec *template, + void *hash_buff, int k, int temp, struct scatterlist *sg, + const char *algo, char *result, struct tcrypt_result *tresult) +{ + char *state; + struct ahash_request *req; + int statesize, ret = -EINVAL; + + req = *preq; + statesize = crypto_ahash_statesize( + crypto_ahash_reqtfm(req)); + state = kmalloc(statesize, GFP_KERNEL); + if (!state) { + pr_err("alt: hash: Failed to alloc state for %s\n", algo); + goto out_nostate; + } + ret = crypto_ahash_export(req, state); + if (ret) { + pr_err("alt: hash: Failed to export() for %s\n", algo); + goto out; + } + ahash_request_free(req); + req = ahash_request_alloc(tfm, GFP_KERNEL); + if (!req) { + pr_err("alg: hash: Failed to alloc request for %s\n", algo); + goto out_noreq; + } + ahash_request_set_callback(req, + CRYPTO_TFM_REQ_MAY_BACKLOG, + tcrypt_complete, tresult); + + memcpy(hash_buff, template->plaintext + temp, + template->tap[k]); + sg_init_one(&sg[0], hash_buff, template->tap[k]); + ahash_request_set_crypt(req, sg, result, template->tap[k]); + ret = crypto_ahash_import(req, state); + if (ret) { + pr_err("alg: hash: Failed to import() for %s\n", algo); + goto out; + } + ret = wait_async_op(tresult, crypto_ahash_update(req)); + if (ret) + goto out; + *preq = req; + ret = 0; + goto out_noreq; +out: + ahash_request_free(req); +out_noreq: + kfree(state); +out_nostate: + return ret; +} + static int __test_hash(struct crypto_ahash *tfm, struct hash_testvec *template, unsigned int tcount, bool use_digest, const int align_offset) @@ -385,6 +432,84 @@ static int __test_hash(struct crypto_ahash *tfm, struct hash_testvec *template, } } + /* partial update exercise */ + j = 0; + for (i = 0; i < tcount; i++) { + /* alignment tests are only done with continuous buffers */ + if (align_offset != 0) + break; + + if (template[i].np < 2) + continue; + + j++; + memset(result, 0, MAX_DIGEST_SIZE); + + ret = -EINVAL; + hash_buff = xbuf[0]; + memcpy(hash_buff, template[i].plaintext, + template[i].tap[0]); + sg_init_one(&sg[0], hash_buff, template[i].tap[0]); + + if (template[i].ksize) { + crypto_ahash_clear_flags(tfm, ~0); + if (template[i].ksize > MAX_KEYLEN) { + pr_err("alg: hash: setkey failed on test %d for %s: key size %d > %d\n", + j, algo, template[i].ksize, MAX_KEYLEN); + ret = -EINVAL; + goto out; + } + memcpy(key, template[i].key, template[i].ksize); + ret = crypto_ahash_setkey(tfm, key, template[i].ksize); + if (ret) { + pr_err("alg: hash: setkey failed on test %d for %s: ret=%d\n", + j, algo, -ret); + goto out; + } + } + + ahash_request_set_crypt(req, sg, result, template[i].tap[0]); + ret = wait_async_op(&tresult, crypto_ahash_init(req)); + if (ret) { + pr_err("alt: hash: init failed on test %d for %s: ret=%d\n", + j, algo, -ret); + goto out; + } + ret = wait_async_op(&tresult, crypto_ahash_update(req)); + if (ret) { + pr_err("alt: hash: update failed on test %d for %s: ret=%d\n", + j, algo, -ret); + goto out; + } + + temp = template[i].tap[0]; + for (k = 1; k < template[i].np; k++) { + ret = ahash_partial_update(&req, tfm, &template[i], + hash_buff, k, temp, &sg[0], algo, result, + &tresult); + if (ret) { + pr_err("hash: partial update failed on test %d for %s: ret=%d\n", + j, algo, -ret); + goto out_noreq; + } + temp += template[i].tap[k]; + } + ret = wait_async_op(&tresult, crypto_ahash_final(req)); + if (ret) { + pr_err("alt: hash: final failed on test %d for %s: ret=%d\n", + j, algo, -ret); + goto out; + } + if (memcmp(result, template[i].digest, + crypto_ahash_digestsize(tfm))) { + pr_err("alg: hash: Partial Test %d failed for %s\n", + j, algo); + hexdump(result, crypto_ahash_digestsize(tfm)); + ret = -EINVAL; + goto out; + } + } + ret = 0; out: @@ -488,6 +613,8 @@ static int __test_aead(struct crypto_aead *tfm, int enc, aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, tcrypt_complete, &result); + iv_len = crypto_aead_ivsize(tfm); + for (i = 0, j = 0; i < tcount; i++) { if (template[i].np) continue; @@ -508,7 +635,6 @@ static int __test_aead(struct crypto_aead *tfm, int enc, memcpy(input, template[i].input, template[i].ilen); memcpy(assoc, template[i].assoc, template[i].alen); - iv_len = crypto_aead_ivsize(tfm); if (template[i].iv) memcpy(iv, template[i].iv, iv_len); else @@ -617,7 +743,7 @@ static int __test_aead(struct crypto_aead *tfm, int enc, j++; if (template[i].iv) - memcpy(iv, template[i].iv, MAX_IVLEN); + memcpy(iv, template[i].iv, iv_len); else memset(iv, 0, MAX_IVLEN); @@ -1293,183 +1419,6 @@ out: return ret; } -static int test_pcomp(struct crypto_pcomp *tfm, - struct pcomp_testvec *ctemplate, - struct pcomp_testvec *dtemplate, int ctcount, - int dtcount) -{ - const char *algo = crypto_tfm_alg_driver_name(crypto_pcomp_tfm(tfm)); - unsigned int i; - char result[COMP_BUF_SIZE]; - int res; - - for (i = 0; i < ctcount; i++) { - struct comp_request req; - unsigned int produced = 0; - - res = crypto_compress_setup(tfm, ctemplate[i].params, - ctemplate[i].paramsize); - if (res) { - pr_err("alg: pcomp: compression setup failed on test " - "%d for %s: error=%d\n", i + 1, algo, res); - return res; - } - - res = crypto_compress_init(tfm); - if (res) { - pr_err("alg: pcomp: compression init failed on test " - "%d for %s: error=%d\n", i + 1, algo, res); - return res; - } - - memset(result, 0, sizeof(result)); - - req.next_in = ctemplate[i].input; - req.avail_in = ctemplate[i].inlen / 2; - req.next_out = result; - req.avail_out = ctemplate[i].outlen / 2; - - res = crypto_compress_update(tfm, &req); - if (res < 0 && (res != -EAGAIN || req.avail_in)) { - pr_err("alg: pcomp: compression update failed on test " - "%d for %s: error=%d\n", i + 1, algo, res); - return res; - } - if (res > 0) - produced += res; - - /* Add remaining input data */ - req.avail_in += (ctemplate[i].inlen + 1) / 2; - - res = crypto_compress_update(tfm, &req); - if (res < 0 && (res != -EAGAIN || req.avail_in)) { - pr_err("alg: pcomp: compression update failed on test " - "%d for %s: error=%d\n", i + 1, algo, res); - return res; - } - if (res > 0) - produced += res; - - /* Provide remaining output space */ - req.avail_out += COMP_BUF_SIZE - ctemplate[i].outlen / 2; - - res = crypto_compress_final(tfm, &req); - if (res < 0) { - pr_err("alg: pcomp: compression final failed on test " - "%d for %s: error=%d\n", i + 1, algo, res); - return res; - } - produced += res; - - if (COMP_BUF_SIZE - req.avail_out != ctemplate[i].outlen) { - pr_err("alg: comp: Compression test %d failed for %s: " - "output len = %d (expected %d)\n", i + 1, algo, - COMP_BUF_SIZE - req.avail_out, - ctemplate[i].outlen); - return -EINVAL; - } - - if (produced != ctemplate[i].outlen) { - pr_err("alg: comp: Compression test %d failed for %s: " - "returned len = %u (expected %d)\n", i + 1, - algo, produced, ctemplate[i].outlen); - return -EINVAL; - } - - if (memcmp(result, ctemplate[i].output, ctemplate[i].outlen)) { - pr_err("alg: pcomp: Compression test %d failed for " - "%s\n", i + 1, algo); - hexdump(result, ctemplate[i].outlen); - return -EINVAL; - } - } - - for (i = 0; i < dtcount; i++) { - struct comp_request req; - unsigned int produced = 0; - - res = crypto_decompress_setup(tfm, dtemplate[i].params, - dtemplate[i].paramsize); - if (res) { - pr_err("alg: pcomp: decompression setup failed on " - "test %d for %s: error=%d\n", i + 1, algo, res); - return res; - } - - res = crypto_decompress_init(tfm); - if (res) { - pr_err("alg: pcomp: decompression init failed on test " - "%d for %s: error=%d\n", i + 1, algo, res); - return res; - } - - memset(result, 0, sizeof(result)); - - req.next_in = dtemplate[i].input; - req.avail_in = dtemplate[i].inlen / 2; - req.next_out = result; - req.avail_out = dtemplate[i].outlen / 2; - - res = crypto_decompress_update(tfm, &req); - if (res < 0 && (res != -EAGAIN || req.avail_in)) { - pr_err("alg: pcomp: decompression update failed on " - "test %d for %s: error=%d\n", i + 1, algo, res); - return res; - } - if (res > 0) - produced += res; - - /* Add remaining input data */ - req.avail_in += (dtemplate[i].inlen + 1) / 2; - - res = crypto_decompress_update(tfm, &req); - if (res < 0 && (res != -EAGAIN || req.avail_in)) { - pr_err("alg: pcomp: decompression update failed on " - "test %d for %s: error=%d\n", i + 1, algo, res); - return res; - } - if (res > 0) - produced += res; - - /* Provide remaining output space */ - req.avail_out += COMP_BUF_SIZE - dtemplate[i].outlen / 2; - - res = crypto_decompress_final(tfm, &req); - if (res < 0 && (res != -EAGAIN || req.avail_in)) { - pr_err("alg: pcomp: decompression final failed on " - "test %d for %s: error=%d\n", i + 1, algo, res); - return res; - } - if (res > 0) - produced += res; - - if (COMP_BUF_SIZE - req.avail_out != dtemplate[i].outlen) { - pr_err("alg: comp: Decompression test %d failed for " - "%s: output len = %d (expected %d)\n", i + 1, - algo, COMP_BUF_SIZE - req.avail_out, - dtemplate[i].outlen); - return -EINVAL; - } - - if (produced != dtemplate[i].outlen) { - pr_err("alg: comp: Decompression test %d failed for " - "%s: returned len = %u (expected %d)\n", i + 1, - algo, produced, dtemplate[i].outlen); - return -EINVAL; - } - - if (memcmp(result, dtemplate[i].output, dtemplate[i].outlen)) { - pr_err("alg: pcomp: Decompression test %d failed for " - "%s\n", i + 1, algo); - hexdump(result, dtemplate[i].outlen); - return -EINVAL; - } - } - - return 0; -} - - static int test_cprng(struct crypto_rng *tfm, struct cprng_testvec *template, unsigned int tcount) { @@ -1640,28 +1589,6 @@ static int alg_test_comp(const struct alg_test_desc *desc, const char *driver, return err; } -static int alg_test_pcomp(const struct alg_test_desc *desc, const char *driver, - u32 type, u32 mask) -{ - struct crypto_pcomp *tfm; - int err; - - tfm = crypto_alloc_pcomp(driver, type, mask); - if (IS_ERR(tfm)) { - pr_err("alg: pcomp: Failed to load transform for %s: %ld\n", - driver, PTR_ERR(tfm)); - return PTR_ERR(tfm); - } - - err = test_pcomp(tfm, desc->suite.pcomp.comp.vecs, - desc->suite.pcomp.decomp.vecs, - desc->suite.pcomp.comp.count, - desc->suite.pcomp.decomp.count); - - crypto_free_pcomp(tfm); - return err; -} - static int alg_test_hash(const struct alg_test_desc *desc, const char *driver, u32 type, u32 mask) { @@ -2081,7 +2008,6 @@ static const struct alg_test_desc alg_test_descs[] = { }, { .alg = "ansi_cprng", .test = alg_test_cprng, - .fips_allowed = 1, .suite = { .cprng = { .vecs = ansi_cprng_aes_tv_template, @@ -2132,6 +2058,7 @@ static const struct alg_test_desc alg_test_descs[] = { }, { .alg = "authenc(hmac(sha1),cbc(des3_ede))", .test = alg_test_aead, + .fips_allowed = 1, .suite = { .aead = { .enc = { @@ -2143,6 +2070,10 @@ static const struct alg_test_desc alg_test_descs[] = { } } }, { + .alg = "authenc(hmac(sha1),ctr(aes))", + .test = alg_test_null, + .fips_allowed = 1, + }, { .alg = "authenc(hmac(sha1),ecb(cipher_null))", .test = alg_test_aead, .suite = { @@ -2162,6 +2093,10 @@ static const struct alg_test_desc alg_test_descs[] = { } } }, { + .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))", + .test = alg_test_null, + .fips_allowed = 1, + }, { .alg = "authenc(hmac(sha224),cbc(des))", .test = alg_test_aead, .suite = { @@ -2177,6 +2112,7 @@ static const struct alg_test_desc alg_test_descs[] = { }, { .alg = "authenc(hmac(sha224),cbc(des3_ede))", .test = alg_test_aead, + .fips_allowed = 1, .suite = { .aead = { .enc = { @@ -2190,6 +2126,7 @@ static const struct alg_test_desc alg_test_descs[] = { }, { .alg = "authenc(hmac(sha256),cbc(aes))", .test = alg_test_aead, + .fips_allowed = 1, .suite = { .aead = { .enc = { @@ -2216,6 +2153,7 @@ static const struct alg_test_desc alg_test_descs[] = { }, { .alg = "authenc(hmac(sha256),cbc(des3_ede))", .test = alg_test_aead, + .fips_allowed = 1, .suite = { .aead = { .enc = { @@ -2227,6 +2165,14 @@ static const struct alg_test_desc alg_test_descs[] = { } } }, { + .alg = "authenc(hmac(sha256),ctr(aes))", + .test = alg_test_null, + .fips_allowed = 1, + }, { + .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))", + .test = alg_test_null, + .fips_allowed = 1, + }, { .alg = "authenc(hmac(sha384),cbc(des))", .test = alg_test_aead, .suite = { @@ -2242,6 +2188,7 @@ static const struct alg_test_desc alg_test_descs[] = { }, { .alg = "authenc(hmac(sha384),cbc(des3_ede))", .test = alg_test_aead, + .fips_allowed = 1, .suite = { .aead = { .enc = { @@ -2253,7 +2200,16 @@ static const struct alg_test_desc alg_test_descs[] = { } } }, { + .alg = "authenc(hmac(sha384),ctr(aes))", + .test = alg_test_null, + .fips_allowed = 1, + }, { + .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))", + .test = alg_test_null, + .fips_allowed = 1, + }, { .alg = "authenc(hmac(sha512),cbc(aes))", + .fips_allowed = 1, .test = alg_test_aead, .suite = { .aead = { @@ -2281,6 +2237,7 @@ static const struct alg_test_desc alg_test_descs[] = { }, { .alg = "authenc(hmac(sha512),cbc(des3_ede))", .test = alg_test_aead, + .fips_allowed = 1, .suite = { .aead = { .enc = { @@ -2292,6 +2249,14 @@ static const struct alg_test_desc alg_test_descs[] = { } } }, { + .alg = "authenc(hmac(sha512),ctr(aes))", + .test = alg_test_null, + .fips_allowed = 1, + }, { + .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))", + .test = alg_test_null, + .fips_allowed = 1, + }, { .alg = "cbc(aes)", .test = alg_test_skcipher, .fips_allowed = 1, @@ -3840,22 +3805,6 @@ static const struct alg_test_desc alg_test_descs[] = { } } } - }, { - .alg = "zlib", - .test = alg_test_pcomp, - .fips_allowed = 1, - .suite = { - .pcomp = { - .comp = { - .vecs = zlib_comp_tv_template, - .count = ZLIB_COMP_TEST_VECTORS - }, - .decomp = { - .vecs = zlib_decomp_tv_template, - .count = ZLIB_DECOMP_TEST_VECTORS - } - } - } } }; diff --git a/crypto/testmgr.h b/crypto/testmgr.h index da0a8fd..487ec88 100644 --- a/crypto/testmgr.h +++ b/crypto/testmgr.h @@ -25,9 +25,6 @@ #define _CRYPTO_TESTMGR_H #include <linux/netlink.h> -#include <linux/zlib.h> - -#include <crypto/compress.h> #define MAX_DIGEST_SIZE 64 #define MAX_TAP 8 @@ -32268,14 +32265,6 @@ struct comp_testvec { char output[COMP_BUF_SIZE]; }; -struct pcomp_testvec { - const void *params; - unsigned int paramsize; - int inlen, outlen; - char input[COMP_BUF_SIZE]; - char output[COMP_BUF_SIZE]; -}; - /* * Deflate test vectors (null-terminated strings). * Params: winbits=-11, Z_DEFAULT_COMPRESSION, MAX_MEM_LEVEL. @@ -32356,139 +32345,6 @@ static struct comp_testvec deflate_decomp_tv_template[] = { }, }; -#define ZLIB_COMP_TEST_VECTORS 2 -#define ZLIB_DECOMP_TEST_VECTORS 2 - -static const struct { - struct nlattr nla; - int val; -} deflate_comp_params[] = { - { - .nla = { - .nla_len = NLA_HDRLEN + sizeof(int), - .nla_type = ZLIB_COMP_LEVEL, - }, - .val = Z_DEFAULT_COMPRESSION, - }, { - .nla = { - .nla_len = NLA_HDRLEN + sizeof(int), - .nla_type = ZLIB_COMP_METHOD, - }, - .val = Z_DEFLATED, - }, { - .nla = { - .nla_len = NLA_HDRLEN + sizeof(int), - .nla_type = ZLIB_COMP_WINDOWBITS, - }, - .val = -11, - }, { - .nla = { - .nla_len = NLA_HDRLEN + sizeof(int), - .nla_type = ZLIB_COMP_MEMLEVEL, - }, - .val = MAX_MEM_LEVEL, - }, { - .nla = { - .nla_len = NLA_HDRLEN + sizeof(int), - .nla_type = ZLIB_COMP_STRATEGY, - }, - .val = Z_DEFAULT_STRATEGY, - } -}; - -static const struct { - struct nlattr nla; - int val; -} deflate_decomp_params[] = { - { - .nla = { - .nla_len = NLA_HDRLEN + sizeof(int), - .nla_type = ZLIB_DECOMP_WINDOWBITS, - }, - .val = -11, - } -}; - -static struct pcomp_testvec zlib_comp_tv_template[] = { - { - .params = &deflate_comp_params, - .paramsize = sizeof(deflate_comp_params), - .inlen = 70, - .outlen = 38, - .input = "Join us now and share the software " - "Join us now and share the software ", - .output = "\xf3\xca\xcf\xcc\x53\x28\x2d\x56" - "\xc8\xcb\x2f\x57\x48\xcc\x4b\x51" - "\x28\xce\x48\x2c\x4a\x55\x28\xc9" - "\x48\x55\x28\xce\x4f\x2b\x29\x07" - "\x71\xbc\x08\x2b\x01\x00", - }, { - .params = &deflate_comp_params, - .paramsize = sizeof(deflate_comp_params), - .inlen = 191, - .outlen = 122, - .input = "This document describes a compression method based on the DEFLATE" - "compression algorithm. This document defines the application of " - "the DEFLATE algorithm to the IP Payload Compression Protocol.", - .output = "\x5d\x8d\x31\x0e\xc2\x30\x10\x04" - "\xbf\xb2\x2f\xc8\x1f\x10\x04\x09" - "\x89\xc2\x85\x3f\x70\xb1\x2f\xf8" - "\x24\xdb\x67\xd9\x47\xc1\xef\x49" - "\x68\x12\x51\xae\x76\x67\xd6\x27" - "\x19\x88\x1a\xde\x85\xab\x21\xf2" - "\x08\x5d\x16\x1e\x20\x04\x2d\xad" - "\xf3\x18\xa2\x15\x85\x2d\x69\xc4" - "\x42\x83\x23\xb6\x6c\x89\x71\x9b" - "\xef\xcf\x8b\x9f\xcf\x33\xca\x2f" - "\xed\x62\xa9\x4c\x80\xff\x13\xaf" - "\x52\x37\xed\x0e\x52\x6b\x59\x02" - "\xd9\x4e\xe8\x7a\x76\x1d\x02\x98" - "\xfe\x8a\x87\x83\xa3\x4f\x56\x8a" - "\xb8\x9e\x8e\x5c\x57\xd3\xa0\x79" - "\xfa\x02", - }, -}; - -static struct pcomp_testvec zlib_decomp_tv_template[] = { - { - .params = &deflate_decomp_params, - .paramsize = sizeof(deflate_decomp_params), - .inlen = 122, - .outlen = 191, - .input = "\x5d\x8d\x31\x0e\xc2\x30\x10\x04" - "\xbf\xb2\x2f\xc8\x1f\x10\x04\x09" - "\x89\xc2\x85\x3f\x70\xb1\x2f\xf8" - "\x24\xdb\x67\xd9\x47\xc1\xef\x49" - "\x68\x12\x51\xae\x76\x67\xd6\x27" - "\x19\x88\x1a\xde\x85\xab\x21\xf2" - "\x08\x5d\x16\x1e\x20\x04\x2d\xad" - "\xf3\x18\xa2\x15\x85\x2d\x69\xc4" - "\x42\x83\x23\xb6\x6c\x89\x71\x9b" - "\xef\xcf\x8b\x9f\xcf\x33\xca\x2f" - "\xed\x62\xa9\x4c\x80\xff\x13\xaf" - "\x52\x37\xed\x0e\x52\x6b\x59\x02" - "\xd9\x4e\xe8\x7a\x76\x1d\x02\x98" - "\xfe\x8a\x87\x83\xa3\x4f\x56\x8a" - "\xb8\x9e\x8e\x5c\x57\xd3\xa0\x79" - "\xfa\x02", - .output = "This document describes a compression method based on the DEFLATE" - "compression algorithm. This document defines the application of " - "the DEFLATE algorithm to the IP Payload Compression Protocol.", - }, { - .params = &deflate_decomp_params, - .paramsize = sizeof(deflate_decomp_params), - .inlen = 38, - .outlen = 70, - .input = "\xf3\xca\xcf\xcc\x53\x28\x2d\x56" - "\xc8\xcb\x2f\x57\x48\xcc\x4b\x51" - "\x28\xce\x48\x2c\x4a\x55\x28\xc9" - "\x48\x55\x28\xce\x4f\x2b\x29\x07" - "\x71\xbc\x08\x2b\x01\x00", - .output = "Join us now and share the software " - "Join us now and share the software ", - }, -}; - /* * LZO test vectors (null-terminated strings). */ diff --git a/crypto/xts.c b/crypto/xts.c index f6fd43f..26ba583 100644 --- a/crypto/xts.c +++ b/crypto/xts.c @@ -35,16 +35,11 @@ static int setkey(struct crypto_tfm *parent, const u8 *key, { struct priv *ctx = crypto_tfm_ctx(parent); struct crypto_cipher *child = ctx->tweak; - u32 *flags = &parent->crt_flags; int err; - /* key consists of keys of equal size concatenated, therefore - * the length must be even */ - if (keylen % 2) { - /* tell the user why there was an error */ - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } + err = xts_check_key(parent, key, keylen); + if (err) + return err; /* we need two cipher instances: one to compute the initial 'tweak' * by encrypting the IV (usually the 'plain' iv) and the other diff --git a/crypto/zlib.c b/crypto/zlib.c deleted file mode 100644 index d51a30a..0000000 --- a/crypto/zlib.c +++ /dev/null @@ -1,381 +0,0 @@ -/* - * Cryptographic API. - * - * Zlib algorithm - * - * Copyright 2008 Sony Corporation - * - * Based on deflate.c, which is - * Copyright (c) 2003 James Morris <jmorris@intercode.com.au> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * FIXME: deflate transforms will require up to a total of about 436k of kernel - * memory on i386 (390k for compression, the rest for decompression), as the - * current zlib kernel code uses a worst case pre-allocation system by default. - * This needs to be fixed so that the amount of memory required is properly - * related to the winbits and memlevel parameters. - */ - -#define pr_fmt(fmt) "%s: " fmt, __func__ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/zlib.h> -#include <linux/vmalloc.h> -#include <linux/interrupt.h> -#include <linux/mm.h> -#include <linux/net.h> - -#include <crypto/internal/compress.h> - -#include <net/netlink.h> - - -struct zlib_ctx { - struct z_stream_s comp_stream; - struct z_stream_s decomp_stream; - int decomp_windowBits; -}; - - -static void zlib_comp_exit(struct zlib_ctx *ctx) -{ - struct z_stream_s *stream = &ctx->comp_stream; - - if (stream->workspace) { - zlib_deflateEnd(stream); - vfree(stream->workspace); - stream->workspace = NULL; - } -} - -static void zlib_decomp_exit(struct zlib_ctx *ctx) -{ - struct z_stream_s *stream = &ctx->decomp_stream; - - if (stream->workspace) { - zlib_inflateEnd(stream); - vfree(stream->workspace); - stream->workspace = NULL; - } -} - -static int zlib_init(struct crypto_tfm *tfm) -{ - return 0; -} - -static void zlib_exit(struct crypto_tfm *tfm) -{ - struct zlib_ctx *ctx = crypto_tfm_ctx(tfm); - - zlib_comp_exit(ctx); - zlib_decomp_exit(ctx); -} - - -static int zlib_compress_setup(struct crypto_pcomp *tfm, const void *params, - unsigned int len) -{ - struct zlib_ctx *ctx = crypto_tfm_ctx(crypto_pcomp_tfm(tfm)); - struct z_stream_s *stream = &ctx->comp_stream; - struct nlattr *tb[ZLIB_COMP_MAX + 1]; - int window_bits, mem_level; - size_t workspacesize; - int ret; - - ret = nla_parse(tb, ZLIB_COMP_MAX, params, len, NULL); - if (ret) - return ret; - - zlib_comp_exit(ctx); - - window_bits = tb[ZLIB_COMP_WINDOWBITS] - ? nla_get_u32(tb[ZLIB_COMP_WINDOWBITS]) - : MAX_WBITS; - mem_level = tb[ZLIB_COMP_MEMLEVEL] - ? nla_get_u32(tb[ZLIB_COMP_MEMLEVEL]) - : DEF_MEM_LEVEL; - - workspacesize = zlib_deflate_workspacesize(window_bits, mem_level); - stream->workspace = vzalloc(workspacesize); - if (!stream->workspace) - return -ENOMEM; - - ret = zlib_deflateInit2(stream, - tb[ZLIB_COMP_LEVEL] - ? nla_get_u32(tb[ZLIB_COMP_LEVEL]) - : Z_DEFAULT_COMPRESSION, - tb[ZLIB_COMP_METHOD] - ? nla_get_u32(tb[ZLIB_COMP_METHOD]) - : Z_DEFLATED, - window_bits, - mem_level, - tb[ZLIB_COMP_STRATEGY] - ? nla_get_u32(tb[ZLIB_COMP_STRATEGY]) - : Z_DEFAULT_STRATEGY); - if (ret != Z_OK) { - vfree(stream->workspace); - stream->workspace = NULL; - return -EINVAL; - } - - return 0; -} - -static int zlib_compress_init(struct crypto_pcomp *tfm) -{ - int ret; - struct zlib_ctx *dctx = crypto_tfm_ctx(crypto_pcomp_tfm(tfm)); - struct z_stream_s *stream = &dctx->comp_stream; - - ret = zlib_deflateReset(stream); - if (ret != Z_OK) - return -EINVAL; - - return 0; -} - -static int zlib_compress_update(struct crypto_pcomp *tfm, - struct comp_request *req) -{ - int ret; - struct zlib_ctx *dctx = crypto_tfm_ctx(crypto_pcomp_tfm(tfm)); - struct z_stream_s *stream = &dctx->comp_stream; - - pr_debug("avail_in %u, avail_out %u\n", req->avail_in, req->avail_out); - stream->next_in = req->next_in; - stream->avail_in = req->avail_in; - stream->next_out = req->next_out; - stream->avail_out = req->avail_out; - - ret = zlib_deflate(stream, Z_NO_FLUSH); - switch (ret) { - case Z_OK: - break; - - case Z_BUF_ERROR: - pr_debug("zlib_deflate could not make progress\n"); - return -EAGAIN; - - default: - pr_debug("zlib_deflate failed %d\n", ret); - return -EINVAL; - } - - ret = req->avail_out - stream->avail_out; - pr_debug("avail_in %lu, avail_out %lu (consumed %lu, produced %u)\n", - stream->avail_in, stream->avail_out, - req->avail_in - stream->avail_in, ret); - req->next_in = stream->next_in; - req->avail_in = stream->avail_in; - req->next_out = stream->next_out; - req->avail_out = stream->avail_out; - return ret; -} - -static int zlib_compress_final(struct crypto_pcomp *tfm, - struct comp_request *req) -{ - int ret; - struct zlib_ctx *dctx = crypto_tfm_ctx(crypto_pcomp_tfm(tfm)); - struct z_stream_s *stream = &dctx->comp_stream; - - pr_debug("avail_in %u, avail_out %u\n", req->avail_in, req->avail_out); - stream->next_in = req->next_in; - stream->avail_in = req->avail_in; - stream->next_out = req->next_out; - stream->avail_out = req->avail_out; - - ret = zlib_deflate(stream, Z_FINISH); - if (ret != Z_STREAM_END) { - pr_debug("zlib_deflate failed %d\n", ret); - return -EINVAL; - } - - ret = req->avail_out - stream->avail_out; - pr_debug("avail_in %lu, avail_out %lu (consumed %lu, produced %u)\n", - stream->avail_in, stream->avail_out, - req->avail_in - stream->avail_in, ret); - req->next_in = stream->next_in; - req->avail_in = stream->avail_in; - req->next_out = stream->next_out; - req->avail_out = stream->avail_out; - return ret; -} - - -static int zlib_decompress_setup(struct crypto_pcomp *tfm, const void *params, - unsigned int len) -{ - struct zlib_ctx *ctx = crypto_tfm_ctx(crypto_pcomp_tfm(tfm)); - struct z_stream_s *stream = &ctx->decomp_stream; - struct nlattr *tb[ZLIB_DECOMP_MAX + 1]; - int ret = 0; - - ret = nla_parse(tb, ZLIB_DECOMP_MAX, params, len, NULL); - if (ret) - return ret; - - zlib_decomp_exit(ctx); - - ctx->decomp_windowBits = tb[ZLIB_DECOMP_WINDOWBITS] - ? nla_get_u32(tb[ZLIB_DECOMP_WINDOWBITS]) - : DEF_WBITS; - - stream->workspace = vzalloc(zlib_inflate_workspacesize()); - if (!stream->workspace) - return -ENOMEM; - - ret = zlib_inflateInit2(stream, ctx->decomp_windowBits); - if (ret != Z_OK) { - vfree(stream->workspace); - stream->workspace = NULL; - return -EINVAL; - } - - return 0; -} - -static int zlib_decompress_init(struct crypto_pcomp *tfm) -{ - int ret; - struct zlib_ctx *dctx = crypto_tfm_ctx(crypto_pcomp_tfm(tfm)); - struct z_stream_s *stream = &dctx->decomp_stream; - - ret = zlib_inflateReset(stream); - if (ret != Z_OK) - return -EINVAL; - - return 0; -} - -static int zlib_decompress_update(struct crypto_pcomp *tfm, - struct comp_request *req) -{ - int ret; - struct zlib_ctx *dctx = crypto_tfm_ctx(crypto_pcomp_tfm(tfm)); - struct z_stream_s *stream = &dctx->decomp_stream; - - pr_debug("avail_in %u, avail_out %u\n", req->avail_in, req->avail_out); - stream->next_in = req->next_in; - stream->avail_in = req->avail_in; - stream->next_out = req->next_out; - stream->avail_out = req->avail_out; - - ret = zlib_inflate(stream, Z_SYNC_FLUSH); - switch (ret) { - case Z_OK: - case Z_STREAM_END: - break; - - case Z_BUF_ERROR: - pr_debug("zlib_inflate could not make progress\n"); - return -EAGAIN; - - default: - pr_debug("zlib_inflate failed %d\n", ret); - return -EINVAL; - } - - ret = req->avail_out - stream->avail_out; - pr_debug("avail_in %lu, avail_out %lu (consumed %lu, produced %u)\n", - stream->avail_in, stream->avail_out, - req->avail_in - stream->avail_in, ret); - req->next_in = stream->next_in; - req->avail_in = stream->avail_in; - req->next_out = stream->next_out; - req->avail_out = stream->avail_out; - return ret; -} - -static int zlib_decompress_final(struct crypto_pcomp *tfm, - struct comp_request *req) -{ - int ret; - struct zlib_ctx *dctx = crypto_tfm_ctx(crypto_pcomp_tfm(tfm)); - struct z_stream_s *stream = &dctx->decomp_stream; - - pr_debug("avail_in %u, avail_out %u\n", req->avail_in, req->avail_out); - stream->next_in = req->next_in; - stream->avail_in = req->avail_in; - stream->next_out = req->next_out; - stream->avail_out = req->avail_out; - - if (dctx->decomp_windowBits < 0) { - ret = zlib_inflate(stream, Z_SYNC_FLUSH); - /* - * Work around a bug in zlib, which sometimes wants to taste an - * extra byte when being used in the (undocumented) raw deflate - * mode. (From USAGI). - */ - if (ret == Z_OK && !stream->avail_in && stream->avail_out) { - const void *saved_next_in = stream->next_in; - u8 zerostuff = 0; - - stream->next_in = &zerostuff; - stream->avail_in = 1; - ret = zlib_inflate(stream, Z_FINISH); - stream->next_in = saved_next_in; - stream->avail_in = 0; - } - } else - ret = zlib_inflate(stream, Z_FINISH); - if (ret != Z_STREAM_END) { - pr_debug("zlib_inflate failed %d\n", ret); - return -EINVAL; - } - - ret = req->avail_out - stream->avail_out; - pr_debug("avail_in %lu, avail_out %lu (consumed %lu, produced %u)\n", - stream->avail_in, stream->avail_out, - req->avail_in - stream->avail_in, ret); - req->next_in = stream->next_in; - req->avail_in = stream->avail_in; - req->next_out = stream->next_out; - req->avail_out = stream->avail_out; - return ret; -} - - -static struct pcomp_alg zlib_alg = { - .compress_setup = zlib_compress_setup, - .compress_init = zlib_compress_init, - .compress_update = zlib_compress_update, - .compress_final = zlib_compress_final, - .decompress_setup = zlib_decompress_setup, - .decompress_init = zlib_decompress_init, - .decompress_update = zlib_decompress_update, - .decompress_final = zlib_decompress_final, - - .base = { - .cra_name = "zlib", - .cra_flags = CRYPTO_ALG_TYPE_PCOMPRESS, - .cra_ctxsize = sizeof(struct zlib_ctx), - .cra_module = THIS_MODULE, - .cra_init = zlib_init, - .cra_exit = zlib_exit, - } -}; - -static int __init zlib_mod_init(void) -{ - return crypto_register_pcomp(&zlib_alg); -} - -static void __exit zlib_mod_fini(void) -{ - crypto_unregister_pcomp(&zlib_alg); -} - -module_init(zlib_mod_init); -module_exit(zlib_mod_fini); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Zlib Compression Algorithm"); -MODULE_AUTHOR("Sony Corporation"); -MODULE_ALIAS_CRYPTO("zlib"); diff --git a/drivers/block/cryptoloop.c b/drivers/block/cryptoloop.c index 99e773c..3d31761 100644 --- a/drivers/block/cryptoloop.c +++ b/drivers/block/cryptoloop.c @@ -21,9 +21,9 @@ #include <linux/module.h> +#include <crypto/skcipher.h> #include <linux/init.h> #include <linux/string.h> -#include <linux/crypto.h> #include <linux/blkdev.h> #include <linux/scatterlist.h> #include <asm/uaccess.h> @@ -46,7 +46,7 @@ cryptoloop_init(struct loop_device *lo, const struct loop_info64 *info) char *cipher; char *mode; char *cmsp = cms; /* c-m string pointer */ - struct crypto_blkcipher *tfm; + struct crypto_skcipher *tfm; /* encryption breaks for non sector aligned offsets */ @@ -82,12 +82,12 @@ cryptoloop_init(struct loop_device *lo, const struct loop_info64 *info) *cmsp++ = ')'; *cmsp = 0; - tfm = crypto_alloc_blkcipher(cms, 0, CRYPTO_ALG_ASYNC); + tfm = crypto_alloc_skcipher(cms, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) return PTR_ERR(tfm); - err = crypto_blkcipher_setkey(tfm, info->lo_encrypt_key, - info->lo_encrypt_key_size); + err = crypto_skcipher_setkey(tfm, info->lo_encrypt_key, + info->lo_encrypt_key_size); if (err != 0) goto out_free_tfm; @@ -96,17 +96,14 @@ cryptoloop_init(struct loop_device *lo, const struct loop_info64 *info) return 0; out_free_tfm: - crypto_free_blkcipher(tfm); + crypto_free_skcipher(tfm); out: return err; } -typedef int (*encdec_cbc_t)(struct blkcipher_desc *desc, - struct scatterlist *sg_out, - struct scatterlist *sg_in, - unsigned int nsg); +typedef int (*encdec_cbc_t)(struct skcipher_request *req); static int cryptoloop_transfer(struct loop_device *lo, int cmd, @@ -114,11 +111,8 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, struct page *loop_page, unsigned loop_off, int size, sector_t IV) { - struct crypto_blkcipher *tfm = lo->key_data; - struct blkcipher_desc desc = { - .tfm = tfm, - .flags = CRYPTO_TFM_REQ_MAY_SLEEP, - }; + struct crypto_skcipher *tfm = lo->key_data; + SKCIPHER_REQUEST_ON_STACK(req, tfm); struct scatterlist sg_out; struct scatterlist sg_in; @@ -127,6 +121,10 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, unsigned in_offs, out_offs; int err; + skcipher_request_set_tfm(req, tfm); + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, + NULL, NULL); + sg_init_table(&sg_out, 1); sg_init_table(&sg_in, 1); @@ -135,13 +133,13 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, in_offs = raw_off; out_page = loop_page; out_offs = loop_off; - encdecfunc = crypto_blkcipher_crt(tfm)->decrypt; + encdecfunc = crypto_skcipher_decrypt; } else { in_page = loop_page; in_offs = loop_off; out_page = raw_page; out_offs = raw_off; - encdecfunc = crypto_blkcipher_crt(tfm)->encrypt; + encdecfunc = crypto_skcipher_encrypt; } while (size > 0) { @@ -152,10 +150,10 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, sg_set_page(&sg_in, in_page, sz, in_offs); sg_set_page(&sg_out, out_page, sz, out_offs); - desc.info = iv; - err = encdecfunc(&desc, &sg_out, &sg_in, sz); + skcipher_request_set_crypt(req, &sg_in, &sg_out, sz, iv); + err = encdecfunc(req); if (err) - return err; + goto out; IV++; size -= sz; @@ -163,7 +161,11 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, out_offs += sz; } - return 0; + err = 0; + +out: + skcipher_request_zero(req); + return err; } static int @@ -175,9 +177,9 @@ cryptoloop_ioctl(struct loop_device *lo, int cmd, unsigned long arg) static int cryptoloop_release(struct loop_device *lo) { - struct crypto_blkcipher *tfm = lo->key_data; + struct crypto_skcipher *tfm = lo->key_data; if (tfm != NULL) { - crypto_free_blkcipher(tfm); + crypto_free_skcipher(tfm); lo->key_data = NULL; return 0; } diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 34bc84ef..c227fd4 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -26,13 +26,13 @@ #ifndef _DRBD_INT_H #define _DRBD_INT_H +#include <crypto/hash.h> #include <linux/compiler.h> #include <linux/types.h> #include <linux/list.h> #include <linux/sched.h> #include <linux/bitops.h> #include <linux/slab.h> -#include <linux/crypto.h> #include <linux/ratelimit.h> #include <linux/tcp.h> #include <linux/mutex.h> @@ -724,11 +724,11 @@ struct drbd_connection { struct list_head transfer_log; /* all requests not yet fully processed */ - struct crypto_hash *cram_hmac_tfm; - struct crypto_hash *integrity_tfm; /* checksums we compute, updates protected by connection->data->mutex */ - struct crypto_hash *peer_integrity_tfm; /* checksums we verify, only accessed from receiver thread */ - struct crypto_hash *csums_tfm; - struct crypto_hash *verify_tfm; + struct crypto_shash *cram_hmac_tfm; + struct crypto_ahash *integrity_tfm; /* checksums we compute, updates protected by connection->data->mutex */ + struct crypto_ahash *peer_integrity_tfm; /* checksums we verify, only accessed from receiver thread */ + struct crypto_ahash *csums_tfm; + struct crypto_ahash *verify_tfm; void *int_dig_in; void *int_dig_vv; @@ -1524,8 +1524,8 @@ static inline void ov_out_of_sync_print(struct drbd_device *device) } -extern void drbd_csum_bio(struct crypto_hash *, struct bio *, void *); -extern void drbd_csum_ee(struct crypto_hash *, struct drbd_peer_request *, void *); +extern void drbd_csum_bio(struct crypto_ahash *, struct bio *, void *); +extern void drbd_csum_ee(struct crypto_ahash *, struct drbd_peer_request *, void *); /* worker callbacks */ extern int w_e_end_data_req(struct drbd_work *, int); extern int w_e_end_rsdata_req(struct drbd_work *, int); diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 5b43dfb..fa20977 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1340,7 +1340,7 @@ void drbd_send_ack_dp(struct drbd_peer_device *peer_device, enum drbd_packet cmd struct p_data *dp, int data_size) { if (peer_device->connection->peer_integrity_tfm) - data_size -= crypto_hash_digestsize(peer_device->connection->peer_integrity_tfm); + data_size -= crypto_ahash_digestsize(peer_device->connection->peer_integrity_tfm); _drbd_send_ack(peer_device, cmd, dp->sector, cpu_to_be32(data_size), dp->block_id); } @@ -1629,7 +1629,7 @@ int drbd_send_dblock(struct drbd_peer_device *peer_device, struct drbd_request * sock = &peer_device->connection->data; p = drbd_prepare_command(peer_device, sock); digest_size = peer_device->connection->integrity_tfm ? - crypto_hash_digestsize(peer_device->connection->integrity_tfm) : 0; + crypto_ahash_digestsize(peer_device->connection->integrity_tfm) : 0; if (!p) return -EIO; @@ -1718,7 +1718,7 @@ int drbd_send_block(struct drbd_peer_device *peer_device, enum drbd_packet cmd, p = drbd_prepare_command(peer_device, sock); digest_size = peer_device->connection->integrity_tfm ? - crypto_hash_digestsize(peer_device->connection->integrity_tfm) : 0; + crypto_ahash_digestsize(peer_device->connection->integrity_tfm) : 0; if (!p) return -EIO; @@ -2498,11 +2498,11 @@ void conn_free_crypto(struct drbd_connection *connection) { drbd_free_sock(connection); - crypto_free_hash(connection->csums_tfm); - crypto_free_hash(connection->verify_tfm); - crypto_free_hash(connection->cram_hmac_tfm); - crypto_free_hash(connection->integrity_tfm); - crypto_free_hash(connection->peer_integrity_tfm); + crypto_free_ahash(connection->csums_tfm); + crypto_free_ahash(connection->verify_tfm); + crypto_free_shash(connection->cram_hmac_tfm); + crypto_free_ahash(connection->integrity_tfm); + crypto_free_ahash(connection->peer_integrity_tfm); kfree(connection->int_dig_in); kfree(connection->int_dig_vv); diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index c055c5e..226eb0c 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -2160,19 +2160,34 @@ check_net_options(struct drbd_connection *connection, struct net_conf *new_net_c } struct crypto { - struct crypto_hash *verify_tfm; - struct crypto_hash *csums_tfm; - struct crypto_hash *cram_hmac_tfm; - struct crypto_hash *integrity_tfm; + struct crypto_ahash *verify_tfm; + struct crypto_ahash *csums_tfm; + struct crypto_shash *cram_hmac_tfm; + struct crypto_ahash *integrity_tfm; }; static int -alloc_hash(struct crypto_hash **tfm, char *tfm_name, int err_alg) +alloc_shash(struct crypto_shash **tfm, char *tfm_name, int err_alg) { if (!tfm_name[0]) return NO_ERROR; - *tfm = crypto_alloc_hash(tfm_name, 0, CRYPTO_ALG_ASYNC); + *tfm = crypto_alloc_shash(tfm_name, 0, 0); + if (IS_ERR(*tfm)) { + *tfm = NULL; + return err_alg; + } + + return NO_ERROR; +} + +static int +alloc_ahash(struct crypto_ahash **tfm, char *tfm_name, int err_alg) +{ + if (!tfm_name[0]) + return NO_ERROR; + + *tfm = crypto_alloc_ahash(tfm_name, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(*tfm)) { *tfm = NULL; return err_alg; @@ -2187,24 +2202,24 @@ alloc_crypto(struct crypto *crypto, struct net_conf *new_net_conf) char hmac_name[CRYPTO_MAX_ALG_NAME]; enum drbd_ret_code rv; - rv = alloc_hash(&crypto->csums_tfm, new_net_conf->csums_alg, - ERR_CSUMS_ALG); + rv = alloc_ahash(&crypto->csums_tfm, new_net_conf->csums_alg, + ERR_CSUMS_ALG); if (rv != NO_ERROR) return rv; - rv = alloc_hash(&crypto->verify_tfm, new_net_conf->verify_alg, - ERR_VERIFY_ALG); + rv = alloc_ahash(&crypto->verify_tfm, new_net_conf->verify_alg, + ERR_VERIFY_ALG); if (rv != NO_ERROR) return rv; - rv = alloc_hash(&crypto->integrity_tfm, new_net_conf->integrity_alg, - ERR_INTEGRITY_ALG); + rv = alloc_ahash(&crypto->integrity_tfm, new_net_conf->integrity_alg, + ERR_INTEGRITY_ALG); if (rv != NO_ERROR) return rv; if (new_net_conf->cram_hmac_alg[0] != 0) { snprintf(hmac_name, CRYPTO_MAX_ALG_NAME, "hmac(%s)", new_net_conf->cram_hmac_alg); - rv = alloc_hash(&crypto->cram_hmac_tfm, hmac_name, - ERR_AUTH_ALG); + rv = alloc_shash(&crypto->cram_hmac_tfm, hmac_name, + ERR_AUTH_ALG); } return rv; @@ -2212,10 +2227,10 @@ alloc_crypto(struct crypto *crypto, struct net_conf *new_net_conf) static void free_crypto(struct crypto *crypto) { - crypto_free_hash(crypto->cram_hmac_tfm); - crypto_free_hash(crypto->integrity_tfm); - crypto_free_hash(crypto->csums_tfm); - crypto_free_hash(crypto->verify_tfm); + crypto_free_shash(crypto->cram_hmac_tfm); + crypto_free_ahash(crypto->integrity_tfm); + crypto_free_ahash(crypto->csums_tfm); + crypto_free_ahash(crypto->verify_tfm); } int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info) @@ -2292,23 +2307,23 @@ int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info) rcu_assign_pointer(connection->net_conf, new_net_conf); if (!rsr) { - crypto_free_hash(connection->csums_tfm); + crypto_free_ahash(connection->csums_tfm); connection->csums_tfm = crypto.csums_tfm; crypto.csums_tfm = NULL; } if (!ovr) { - crypto_free_hash(connection->verify_tfm); + crypto_free_ahash(connection->verify_tfm); connection->verify_tfm = crypto.verify_tfm; crypto.verify_tfm = NULL; } - crypto_free_hash(connection->integrity_tfm); + crypto_free_ahash(connection->integrity_tfm); connection->integrity_tfm = crypto.integrity_tfm; if (connection->cstate >= C_WF_REPORT_PARAMS && connection->agreed_pro_version >= 100) /* Do this without trying to take connection->data.mutex again. */ __drbd_send_protocol(connection, P_PROTOCOL_UPDATE); - crypto_free_hash(connection->cram_hmac_tfm); + crypto_free_shash(connection->cram_hmac_tfm); connection->cram_hmac_tfm = crypto.cram_hmac_tfm; mutex_unlock(&connection->resource->conf_update); diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 1957fe8..050aaa1 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1627,7 +1627,7 @@ read_in_block(struct drbd_peer_device *peer_device, u64 id, sector_t sector, digest_size = 0; if (!trim && peer_device->connection->peer_integrity_tfm) { - digest_size = crypto_hash_digestsize(peer_device->connection->peer_integrity_tfm); + digest_size = crypto_ahash_digestsize(peer_device->connection->peer_integrity_tfm); /* * FIXME: Receive the incoming digest into the receive buffer * here, together with its struct p_data? @@ -1741,7 +1741,7 @@ static int recv_dless_read(struct drbd_peer_device *peer_device, struct drbd_req digest_size = 0; if (peer_device->connection->peer_integrity_tfm) { - digest_size = crypto_hash_digestsize(peer_device->connection->peer_integrity_tfm); + digest_size = crypto_ahash_digestsize(peer_device->connection->peer_integrity_tfm); err = drbd_recv_all_warn(peer_device->connection, dig_in, digest_size); if (err) return err; @@ -3321,7 +3321,7 @@ static int receive_protocol(struct drbd_connection *connection, struct packet_in int p_proto, p_discard_my_data, p_two_primaries, cf; struct net_conf *nc, *old_net_conf, *new_net_conf = NULL; char integrity_alg[SHARED_SECRET_MAX] = ""; - struct crypto_hash *peer_integrity_tfm = NULL; + struct crypto_ahash *peer_integrity_tfm = NULL; void *int_dig_in = NULL, *int_dig_vv = NULL; p_proto = be32_to_cpu(p->protocol); @@ -3402,14 +3402,14 @@ static int receive_protocol(struct drbd_connection *connection, struct packet_in * change. */ - peer_integrity_tfm = crypto_alloc_hash(integrity_alg, 0, CRYPTO_ALG_ASYNC); + peer_integrity_tfm = crypto_alloc_ahash(integrity_alg, 0, CRYPTO_ALG_ASYNC); if (!peer_integrity_tfm) { drbd_err(connection, "peer data-integrity-alg %s not supported\n", integrity_alg); goto disconnect; } - hash_size = crypto_hash_digestsize(peer_integrity_tfm); + hash_size = crypto_ahash_digestsize(peer_integrity_tfm); int_dig_in = kmalloc(hash_size, GFP_KERNEL); int_dig_vv = kmalloc(hash_size, GFP_KERNEL); if (!(int_dig_in && int_dig_vv)) { @@ -3439,7 +3439,7 @@ static int receive_protocol(struct drbd_connection *connection, struct packet_in mutex_unlock(&connection->resource->conf_update); mutex_unlock(&connection->data.mutex); - crypto_free_hash(connection->peer_integrity_tfm); + crypto_free_ahash(connection->peer_integrity_tfm); kfree(connection->int_dig_in); kfree(connection->int_dig_vv); connection->peer_integrity_tfm = peer_integrity_tfm; @@ -3457,7 +3457,7 @@ static int receive_protocol(struct drbd_connection *connection, struct packet_in disconnect_rcu_unlock: rcu_read_unlock(); disconnect: - crypto_free_hash(peer_integrity_tfm); + crypto_free_ahash(peer_integrity_tfm); kfree(int_dig_in); kfree(int_dig_vv); conn_request_state(connection, NS(conn, C_DISCONNECTING), CS_HARD); @@ -3469,15 +3469,15 @@ disconnect: * return: NULL (alg name was "") * ERR_PTR(error) if something goes wrong * or the crypto hash ptr, if it worked out ok. */ -static struct crypto_hash *drbd_crypto_alloc_digest_safe(const struct drbd_device *device, +static struct crypto_ahash *drbd_crypto_alloc_digest_safe(const struct drbd_device *device, const char *alg, const char *name) { - struct crypto_hash *tfm; + struct crypto_ahash *tfm; if (!alg[0]) return NULL; - tfm = crypto_alloc_hash(alg, 0, CRYPTO_ALG_ASYNC); + tfm = crypto_alloc_ahash(alg, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) { drbd_err(device, "Can not allocate \"%s\" as %s (reason: %ld)\n", alg, name, PTR_ERR(tfm)); @@ -3530,8 +3530,8 @@ static int receive_SyncParam(struct drbd_connection *connection, struct packet_i struct drbd_device *device; struct p_rs_param_95 *p; unsigned int header_size, data_size, exp_max_sz; - struct crypto_hash *verify_tfm = NULL; - struct crypto_hash *csums_tfm = NULL; + struct crypto_ahash *verify_tfm = NULL; + struct crypto_ahash *csums_tfm = NULL; struct net_conf *old_net_conf, *new_net_conf = NULL; struct disk_conf *old_disk_conf = NULL, *new_disk_conf = NULL; const int apv = connection->agreed_pro_version; @@ -3678,14 +3678,14 @@ static int receive_SyncParam(struct drbd_connection *connection, struct packet_i if (verify_tfm) { strcpy(new_net_conf->verify_alg, p->verify_alg); new_net_conf->verify_alg_len = strlen(p->verify_alg) + 1; - crypto_free_hash(peer_device->connection->verify_tfm); + crypto_free_ahash(peer_device->connection->verify_tfm); peer_device->connection->verify_tfm = verify_tfm; drbd_info(device, "using verify-alg: \"%s\"\n", p->verify_alg); } if (csums_tfm) { strcpy(new_net_conf->csums_alg, p->csums_alg); new_net_conf->csums_alg_len = strlen(p->csums_alg) + 1; - crypto_free_hash(peer_device->connection->csums_tfm); + crypto_free_ahash(peer_device->connection->csums_tfm); peer_device->connection->csums_tfm = csums_tfm; drbd_info(device, "using csums-alg: \"%s\"\n", p->csums_alg); } @@ -3729,9 +3729,9 @@ disconnect: mutex_unlock(&connection->resource->conf_update); /* just for completeness: actually not needed, * as this is not reached if csums_tfm was ok. */ - crypto_free_hash(csums_tfm); + crypto_free_ahash(csums_tfm); /* but free the verify_tfm again, if csums_tfm did not work out */ - crypto_free_hash(verify_tfm); + crypto_free_ahash(verify_tfm); conn_request_state(peer_device->connection, NS(conn, C_DISCONNECTING), CS_HARD); return -EIO; } @@ -4925,14 +4925,13 @@ static int drbd_do_auth(struct drbd_connection *connection) { struct drbd_socket *sock; char my_challenge[CHALLENGE_LEN]; /* 64 Bytes... */ - struct scatterlist sg; char *response = NULL; char *right_response = NULL; char *peers_ch = NULL; unsigned int key_len; char secret[SHARED_SECRET_MAX]; /* 64 byte */ unsigned int resp_size; - struct hash_desc desc; + SHASH_DESC_ON_STACK(desc, connection->cram_hmac_tfm); struct packet_info pi; struct net_conf *nc; int err, rv; @@ -4945,12 +4944,12 @@ static int drbd_do_auth(struct drbd_connection *connection) memcpy(secret, nc->shared_secret, key_len); rcu_read_unlock(); - desc.tfm = connection->cram_hmac_tfm; - desc.flags = 0; + desc->tfm = connection->cram_hmac_tfm; + desc->flags = 0; - rv = crypto_hash_setkey(connection->cram_hmac_tfm, (u8 *)secret, key_len); + rv = crypto_shash_setkey(connection->cram_hmac_tfm, (u8 *)secret, key_len); if (rv) { - drbd_err(connection, "crypto_hash_setkey() failed with %d\n", rv); + drbd_err(connection, "crypto_shash_setkey() failed with %d\n", rv); rv = -1; goto fail; } @@ -5011,7 +5010,7 @@ static int drbd_do_auth(struct drbd_connection *connection) goto fail; } - resp_size = crypto_hash_digestsize(connection->cram_hmac_tfm); + resp_size = crypto_shash_digestsize(connection->cram_hmac_tfm); response = kmalloc(resp_size, GFP_NOIO); if (response == NULL) { drbd_err(connection, "kmalloc of response failed\n"); @@ -5019,10 +5018,7 @@ static int drbd_do_auth(struct drbd_connection *connection) goto fail; } - sg_init_table(&sg, 1); - sg_set_buf(&sg, peers_ch, pi.size); - - rv = crypto_hash_digest(&desc, &sg, sg.length, response); + rv = crypto_shash_digest(desc, peers_ch, pi.size, response); if (rv) { drbd_err(connection, "crypto_hash_digest() failed with %d\n", rv); rv = -1; @@ -5070,9 +5066,8 @@ static int drbd_do_auth(struct drbd_connection *connection) goto fail; } - sg_set_buf(&sg, my_challenge, CHALLENGE_LEN); - - rv = crypto_hash_digest(&desc, &sg, sg.length, right_response); + rv = crypto_shash_digest(desc, my_challenge, CHALLENGE_LEN, + right_response); if (rv) { drbd_err(connection, "crypto_hash_digest() failed with %d\n", rv); rv = -1; @@ -5091,6 +5086,7 @@ static int drbd_do_auth(struct drbd_connection *connection) kfree(peers_ch); kfree(response); kfree(right_response); + shash_desc_zero(desc); return rv; } diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index eff716c..4d87499 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -274,51 +274,56 @@ void drbd_request_endio(struct bio *bio) complete_master_bio(device, &m); } -void drbd_csum_ee(struct crypto_hash *tfm, struct drbd_peer_request *peer_req, void *digest) +void drbd_csum_ee(struct crypto_ahash *tfm, struct drbd_peer_request *peer_req, void *digest) { - struct hash_desc desc; + AHASH_REQUEST_ON_STACK(req, tfm); struct scatterlist sg; struct page *page = peer_req->pages; struct page *tmp; unsigned len; - desc.tfm = tfm; - desc.flags = 0; + ahash_request_set_tfm(req, tfm); + ahash_request_set_callback(req, 0, NULL, NULL); sg_init_table(&sg, 1); - crypto_hash_init(&desc); + crypto_ahash_init(req); while ((tmp = page_chain_next(page))) { /* all but the last page will be fully used */ sg_set_page(&sg, page, PAGE_SIZE, 0); - crypto_hash_update(&desc, &sg, sg.length); + ahash_request_set_crypt(req, &sg, NULL, sg.length); + crypto_ahash_update(req); page = tmp; } /* and now the last, possibly only partially used page */ len = peer_req->i.size & (PAGE_SIZE - 1); sg_set_page(&sg, page, len ?: PAGE_SIZE, 0); - crypto_hash_update(&desc, &sg, sg.length); - crypto_hash_final(&desc, digest); + ahash_request_set_crypt(req, &sg, digest, sg.length); + crypto_ahash_finup(req); + ahash_request_zero(req); } -void drbd_csum_bio(struct crypto_hash *tfm, struct bio *bio, void *digest) +void drbd_csum_bio(struct crypto_ahash *tfm, struct bio *bio, void *digest) { - struct hash_desc desc; + AHASH_REQUEST_ON_STACK(req, tfm); struct scatterlist sg; struct bio_vec bvec; struct bvec_iter iter; - desc.tfm = tfm; - desc.flags = 0; + ahash_request_set_tfm(req, tfm); + ahash_request_set_callback(req, 0, NULL, NULL); sg_init_table(&sg, 1); - crypto_hash_init(&desc); + crypto_ahash_init(req); bio_for_each_segment(bvec, bio, iter) { sg_set_page(&sg, bvec.bv_page, bvec.bv_len, bvec.bv_offset); - crypto_hash_update(&desc, &sg, sg.length); + ahash_request_set_crypt(req, &sg, NULL, sg.length); + crypto_ahash_update(req); } - crypto_hash_final(&desc, digest); + ahash_request_set_crypt(req, NULL, digest, 0); + crypto_ahash_final(req); + ahash_request_zero(req); } /* MAYBE merge common code with w_e_end_ov_req */ @@ -337,7 +342,7 @@ static int w_e_send_csum(struct drbd_work *w, int cancel) if (unlikely((peer_req->flags & EE_WAS_ERROR) != 0)) goto out; - digest_size = crypto_hash_digestsize(peer_device->connection->csums_tfm); + digest_size = crypto_ahash_digestsize(peer_device->connection->csums_tfm); digest = kmalloc(digest_size, GFP_NOIO); if (digest) { sector_t sector = peer_req->i.sector; @@ -1113,7 +1118,7 @@ int w_e_end_csum_rs_req(struct drbd_work *w, int cancel) * a real fix would be much more involved, * introducing more locking mechanisms */ if (peer_device->connection->csums_tfm) { - digest_size = crypto_hash_digestsize(peer_device->connection->csums_tfm); + digest_size = crypto_ahash_digestsize(peer_device->connection->csums_tfm); D_ASSERT(device, digest_size == di->digest_size); digest = kmalloc(digest_size, GFP_NOIO); } @@ -1163,7 +1168,7 @@ int w_e_end_ov_req(struct drbd_work *w, int cancel) if (unlikely(cancel)) goto out; - digest_size = crypto_hash_digestsize(peer_device->connection->verify_tfm); + digest_size = crypto_ahash_digestsize(peer_device->connection->verify_tfm); digest = kmalloc(digest_size, GFP_NOIO); if (!digest) { err = 1; /* terminate the connection in case the allocation failed */ @@ -1235,7 +1240,7 @@ int w_e_end_ov_reply(struct drbd_work *w, int cancel) di = peer_req->digest; if (likely((peer_req->flags & EE_WAS_ERROR) == 0)) { - digest_size = crypto_hash_digestsize(peer_device->connection->verify_tfm); + digest_size = crypto_ahash_digestsize(peer_device->connection->verify_tfm); digest = kmalloc(digest_size, GFP_NOIO); if (digest) { drbd_csum_ee(peer_device->connection->verify_tfm, peer_req, digest); diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index ff00331..67ee8b0 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -77,7 +77,7 @@ config HW_RANDOM_ATMEL config HW_RANDOM_BCM63XX tristate "Broadcom BCM63xx Random Number Generator support" - depends on BCM63XX + depends on BCM63XX || BMIPS_GENERIC default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number @@ -382,6 +382,19 @@ config HW_RANDOM_STM32 If unsure, say N. +config HW_RANDOM_PIC32 + tristate "Microchip PIC32 Random Number Generator support" + depends on HW_RANDOM && MACH_PIC32 + default y + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on a PIC32. + + To compile this driver as a module, choose M here. the + module will be called pic32-rng. + + If unsure, say Y. + endif # HW_RANDOM config UML_RANDOM diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile index 5ad3976..f5a6fa7 100644 --- a/drivers/char/hw_random/Makefile +++ b/drivers/char/hw_random/Makefile @@ -33,3 +33,4 @@ obj-$(CONFIG_HW_RANDOM_MSM) += msm-rng.o obj-$(CONFIG_HW_RANDOM_ST) += st-rng.o obj-$(CONFIG_HW_RANDOM_XGENE) += xgene-rng.o obj-$(CONFIG_HW_RANDOM_STM32) += stm32-rng.o +obj-$(CONFIG_HW_RANDOM_PIC32) += pic32-rng.o diff --git a/drivers/char/hw_random/bcm63xx-rng.c b/drivers/char/hw_random/bcm63xx-rng.c index 4b31f13..ca9c403 100644 --- a/drivers/char/hw_random/bcm63xx-rng.c +++ b/drivers/char/hw_random/bcm63xx-rng.c @@ -79,10 +79,8 @@ static int bcm63xx_rng_data_read(struct hwrng *rng, u32 *data) static int bcm63xx_rng_probe(struct platform_device *pdev) { struct resource *r; - struct clk *clk; int ret; struct bcm63xx_rng_priv *priv; - struct hwrng *rng; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) { @@ -132,10 +130,19 @@ static int bcm63xx_rng_probe(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id bcm63xx_rng_of_match[] = { + { .compatible = "brcm,bcm6368-rng", }, + {}, +}; +MODULE_DEVICE_TABLE(of, bcm63xx_rng_of_match); +#endif + static struct platform_driver bcm63xx_rng_driver = { .probe = bcm63xx_rng_probe, .driver = { .name = "bcm63xx-rng", + .of_match_table = of_match_ptr(bcm63xx_rng_of_match), }, }; diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c index 30cf462..ada0812 100644 --- a/drivers/char/hw_random/exynos-rng.c +++ b/drivers/char/hw_random/exynos-rng.c @@ -144,8 +144,7 @@ static int exynos_rng_probe(struct platform_device *pdev) return devm_hwrng_register(&pdev->dev, &exynos_rng->rng); } -#ifdef CONFIG_PM -static int exynos_rng_runtime_suspend(struct device *dev) +static int __maybe_unused exynos_rng_runtime_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct exynos_rng *exynos_rng = platform_get_drvdata(pdev); @@ -155,7 +154,7 @@ static int exynos_rng_runtime_suspend(struct device *dev) return 0; } -static int exynos_rng_runtime_resume(struct device *dev) +static int __maybe_unused exynos_rng_runtime_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct exynos_rng *exynos_rng = platform_get_drvdata(pdev); @@ -163,12 +162,12 @@ static int exynos_rng_runtime_resume(struct device *dev) return clk_prepare_enable(exynos_rng->clk); } -static int exynos_rng_suspend(struct device *dev) +static int __maybe_unused exynos_rng_suspend(struct device *dev) { return pm_runtime_force_suspend(dev); } -static int exynos_rng_resume(struct device *dev) +static int __maybe_unused exynos_rng_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct exynos_rng *exynos_rng = platform_get_drvdata(pdev); @@ -180,7 +179,6 @@ static int exynos_rng_resume(struct device *dev) return exynos_rng_configure(exynos_rng); } -#endif static const struct dev_pm_ops exynos_rng_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(exynos_rng_suspend, exynos_rng_resume) diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c index 843d6f6..3b06c1d6 100644 --- a/drivers/char/hw_random/n2-drv.c +++ b/drivers/char/hw_random/n2-drv.c @@ -743,6 +743,16 @@ static const struct of_device_id n2rng_match[] = { .compatible = "SUNW,kt-rng", .data = (void *) 1, }, + { + .name = "random-number-generator", + .compatible = "ORCL,m4-rng", + .data = (void *) 1, + }, + { + .name = "random-number-generator", + .compatible = "ORCL,m7-rng", + .data = (void *) 1, + }, {}, }; MODULE_DEVICE_TABLE(of, n2rng_match); diff --git a/drivers/char/hw_random/pic32-rng.c b/drivers/char/hw_random/pic32-rng.c new file mode 100644 index 0000000..108897b --- /dev/null +++ b/drivers/char/hw_random/pic32-rng.c @@ -0,0 +1,155 @@ +/* + * PIC32 RNG driver + * + * Joshua Henderson <joshua.henderson@microchip.com> + * Copyright (C) 2016 Microchip Technology Inc. All rights reserved. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/err.h> +#include <linux/hw_random.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +#define RNGCON 0x04 +#define TRNGEN BIT(8) +#define PRNGEN BIT(9) +#define PRNGCONT BIT(10) +#define TRNGMOD BIT(11) +#define SEEDLOAD BIT(12) +#define RNGPOLY1 0x08 +#define RNGPOLY2 0x0C +#define RNGNUMGEN1 0x10 +#define RNGNUMGEN2 0x14 +#define RNGSEED1 0x18 +#define RNGSEED2 0x1C +#define RNGRCNT 0x20 +#define RCNT_MASK 0x7F + +struct pic32_rng { + void __iomem *base; + struct hwrng rng; + struct clk *clk; +}; + +/* + * The TRNG can generate up to 24Mbps. This is a timeout that should be safe + * enough given the instructions in the loop and that the TRNG may not always + * be at maximum rate. + */ +#define RNG_TIMEOUT 500 + +static int pic32_rng_read(struct hwrng *rng, void *buf, size_t max, + bool wait) +{ + struct pic32_rng *priv = container_of(rng, struct pic32_rng, rng); + u64 *data = buf; + u32 t; + unsigned int timeout = RNG_TIMEOUT; + + if (max < 8) + return 0; + + do { + t = readl(priv->base + RNGRCNT) & RCNT_MASK; + if (t == 64) { + /* TRNG value comes through the seed registers */ + *data = ((u64)readl(priv->base + RNGSEED2) << 32) + + readl(priv->base + RNGSEED1); + return 8; + } + } while (wait && --timeout); + + return -EIO; +} + +static int pic32_rng_probe(struct platform_device *pdev) +{ + struct pic32_rng *priv; + struct resource *res; + u32 v; + int ret; + + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + priv->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + priv->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(priv->clk)) + return PTR_ERR(priv->clk); + + ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; + + /* enable TRNG in enhanced mode */ + v = TRNGEN | TRNGMOD; + writel(v, priv->base + RNGCON); + + priv->rng.name = pdev->name; + priv->rng.read = pic32_rng_read; + + ret = hwrng_register(&priv->rng); + if (ret) + goto err_register; + + platform_set_drvdata(pdev, priv); + + return 0; + +err_register: + clk_disable_unprepare(priv->clk); + return ret; +} + +static int pic32_rng_remove(struct platform_device *pdev) +{ + struct pic32_rng *rng = platform_get_drvdata(pdev); + + hwrng_unregister(&rng->rng); + writel(0, rng->base + RNGCON); + clk_disable_unprepare(rng->clk); + return 0; +} + +static const struct of_device_id pic32_rng_of_match[] = { + { .compatible = "microchip,pic32mzda-rng", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, pic32_rng_of_match); + +static struct platform_driver pic32_rng_driver = { + .probe = pic32_rng_probe, + .remove = pic32_rng_remove, + .driver = { + .name = "pic32-rng", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(pic32_rng_of_match), + }, +}; + +module_platform_driver(pic32_rng_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Joshua Henderson <joshua.henderson@microchip.com>"); +MODULE_DESCRIPTION("Microchip PIC32 RNG Driver"); diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 07d4942..477fffd 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -296,6 +296,7 @@ config CRYPTO_DEV_OMAP_AES depends on ARCH_OMAP2 || ARCH_OMAP3 || ARCH_OMAP2PLUS select CRYPTO_AES select CRYPTO_BLKCIPHER + select CRYPTO_ENGINE help OMAP processors have AES module accelerator. Select this if you want to use the OMAP module for AES algorithms. @@ -487,7 +488,7 @@ config CRYPTO_DEV_IMGTEC_HASH config CRYPTO_DEV_SUN4I_SS tristate "Support for Allwinner Security System cryptographic accelerator" - depends on ARCH_SUNXI + depends on ARCH_SUNXI && !64BIT select CRYPTO_MD5 select CRYPTO_SHA1 select CRYPTO_AES @@ -507,6 +508,10 @@ config CRYPTO_DEV_ROCKCHIP depends on OF && ARCH_ROCKCHIP select CRYPTO_AES select CRYPTO_DES + select CRYPTO_MD5 + select CRYPTO_SHA1 + select CRYPTO_SHA256 + select CRYPTO_HASH select CRYPTO_BLKCIPHER help diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index 3eb3f12..e3d40a8 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -369,12 +369,6 @@ static inline size_t atmel_aes_padlen(size_t len, size_t block_size) return len ? block_size - len : 0; } -static inline struct aead_request * -aead_request_cast(struct crypto_async_request *req) -{ - return container_of(req, struct aead_request, base); -} - static struct atmel_aes_dev *atmel_aes_find_dev(struct atmel_aes_base_ctx *ctx) { struct atmel_aes_dev *aes_dd = NULL; @@ -2085,9 +2079,9 @@ static int atmel_aes_probe(struct platform_device *pdev) } aes_dd->io_base = devm_ioremap_resource(&pdev->dev, aes_res); - if (!aes_dd->io_base) { + if (IS_ERR(aes_dd->io_base)) { dev_err(dev, "can't ioremap\n"); - err = -ENOMEM; + err = PTR_ERR(aes_dd->io_base); goto res_err; } diff --git a/drivers/crypto/atmel-sha-regs.h b/drivers/crypto/atmel-sha-regs.h index 83b2d74..e088971 100644 --- a/drivers/crypto/atmel-sha-regs.h +++ b/drivers/crypto/atmel-sha-regs.h @@ -8,6 +8,8 @@ #define SHA_CR_START (1 << 0) #define SHA_CR_FIRST (1 << 4) #define SHA_CR_SWRST (1 << 8) +#define SHA_CR_WUIHV (1 << 12) +#define SHA_CR_WUIEHV (1 << 13) #define SHA_MR 0x04 #define SHA_MR_MODE_MASK (0x3 << 0) @@ -15,6 +17,8 @@ #define SHA_MR_MODE_AUTO 0x1 #define SHA_MR_MODE_PDC 0x2 #define SHA_MR_PROCDLY (1 << 4) +#define SHA_MR_UIHV (1 << 5) +#define SHA_MR_UIEHV (1 << 6) #define SHA_MR_ALGO_SHA1 (0 << 8) #define SHA_MR_ALGO_SHA256 (1 << 8) #define SHA_MR_ALGO_SHA384 (2 << 8) diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index 8bf9914..97e3479 100644 --- a/drivers/crypto/atmel-sha.c +++ b/drivers/crypto/atmel-sha.c @@ -53,6 +53,7 @@ #define SHA_FLAGS_FINUP BIT(16) #define SHA_FLAGS_SG BIT(17) +#define SHA_FLAGS_ALGO_MASK GENMASK(22, 18) #define SHA_FLAGS_SHA1 BIT(18) #define SHA_FLAGS_SHA224 BIT(19) #define SHA_FLAGS_SHA256 BIT(20) @@ -60,11 +61,12 @@ #define SHA_FLAGS_SHA512 BIT(22) #define SHA_FLAGS_ERROR BIT(23) #define SHA_FLAGS_PAD BIT(24) +#define SHA_FLAGS_RESTORE BIT(25) #define SHA_OP_UPDATE 1 #define SHA_OP_FINAL 2 -#define SHA_BUFFER_LEN PAGE_SIZE +#define SHA_BUFFER_LEN (PAGE_SIZE / 16) #define ATMEL_SHA_DMA_THRESHOLD 56 @@ -73,10 +75,15 @@ struct atmel_sha_caps { bool has_dualbuff; bool has_sha224; bool has_sha_384_512; + bool has_uihv; }; struct atmel_sha_dev; +/* + * .statesize = sizeof(struct atmel_sha_reqctx) must be <= PAGE_SIZE / 8 as + * tested by the ahash_prepare_alg() function. + */ struct atmel_sha_reqctx { struct atmel_sha_dev *dd; unsigned long flags; @@ -95,7 +102,7 @@ struct atmel_sha_reqctx { size_t block_size; - u8 buffer[0] __aligned(sizeof(u32)); + u8 buffer[SHA_BUFFER_LEN + SHA512_BLOCK_SIZE] __aligned(sizeof(u32)); }; struct atmel_sha_ctx { @@ -122,6 +129,7 @@ struct atmel_sha_dev { spinlock_t lock; int err; struct tasklet_struct done_task; + struct tasklet_struct queue_task; unsigned long flags; struct crypto_queue queue; @@ -317,7 +325,8 @@ static int atmel_sha_init(struct ahash_request *req) static void atmel_sha_write_ctrl(struct atmel_sha_dev *dd, int dma) { struct atmel_sha_reqctx *ctx = ahash_request_ctx(dd->req); - u32 valcr = 0, valmr = SHA_MR_MODE_AUTO; + u32 valmr = SHA_MR_MODE_AUTO; + unsigned int i, hashsize = 0; if (likely(dma)) { if (!dd->caps.has_dma) @@ -329,22 +338,62 @@ static void atmel_sha_write_ctrl(struct atmel_sha_dev *dd, int dma) atmel_sha_write(dd, SHA_IER, SHA_INT_DATARDY); } - if (ctx->flags & SHA_FLAGS_SHA1) + switch (ctx->flags & SHA_FLAGS_ALGO_MASK) { + case SHA_FLAGS_SHA1: valmr |= SHA_MR_ALGO_SHA1; - else if (ctx->flags & SHA_FLAGS_SHA224) + hashsize = SHA1_DIGEST_SIZE; + break; + + case SHA_FLAGS_SHA224: valmr |= SHA_MR_ALGO_SHA224; - else if (ctx->flags & SHA_FLAGS_SHA256) + hashsize = SHA256_DIGEST_SIZE; + break; + + case SHA_FLAGS_SHA256: valmr |= SHA_MR_ALGO_SHA256; - else if (ctx->flags & SHA_FLAGS_SHA384) + hashsize = SHA256_DIGEST_SIZE; + break; + + case SHA_FLAGS_SHA384: valmr |= SHA_MR_ALGO_SHA384; - else if (ctx->flags & SHA_FLAGS_SHA512) + hashsize = SHA512_DIGEST_SIZE; + break; + + case SHA_FLAGS_SHA512: valmr |= SHA_MR_ALGO_SHA512; + hashsize = SHA512_DIGEST_SIZE; + break; + + default: + break; + } /* Setting CR_FIRST only for the first iteration */ - if (!(ctx->digcnt[0] || ctx->digcnt[1])) - valcr = SHA_CR_FIRST; + if (!(ctx->digcnt[0] || ctx->digcnt[1])) { + atmel_sha_write(dd, SHA_CR, SHA_CR_FIRST); + } else if (dd->caps.has_uihv && (ctx->flags & SHA_FLAGS_RESTORE)) { + const u32 *hash = (const u32 *)ctx->digest; + + /* + * Restore the hardware context: update the User Initialize + * Hash Value (UIHV) with the value saved when the latest + * 'update' operation completed on this very same crypto + * request. + */ + ctx->flags &= ~SHA_FLAGS_RESTORE; + atmel_sha_write(dd, SHA_CR, SHA_CR_WUIHV); + for (i = 0; i < hashsize / sizeof(u32); ++i) + atmel_sha_write(dd, SHA_REG_DIN(i), hash[i]); + atmel_sha_write(dd, SHA_CR, SHA_CR_FIRST); + valmr |= SHA_MR_UIHV; + } + /* + * WARNING: If the UIHV feature is not available, the hardware CANNOT + * process concurrent requests: the internal registers used to store + * the hash/digest are still set to the partial digest output values + * computed during the latest round. + */ - atmel_sha_write(dd, SHA_CR, valcr); atmel_sha_write(dd, SHA_MR, valmr); } @@ -713,23 +762,31 @@ static void atmel_sha_copy_hash(struct ahash_request *req) { struct atmel_sha_reqctx *ctx = ahash_request_ctx(req); u32 *hash = (u32 *)ctx->digest; - int i; + unsigned int i, hashsize; - if (ctx->flags & SHA_FLAGS_SHA1) - for (i = 0; i < SHA1_DIGEST_SIZE / sizeof(u32); i++) - hash[i] = atmel_sha_read(ctx->dd, SHA_REG_DIGEST(i)); - else if (ctx->flags & SHA_FLAGS_SHA224) - for (i = 0; i < SHA224_DIGEST_SIZE / sizeof(u32); i++) - hash[i] = atmel_sha_read(ctx->dd, SHA_REG_DIGEST(i)); - else if (ctx->flags & SHA_FLAGS_SHA256) - for (i = 0; i < SHA256_DIGEST_SIZE / sizeof(u32); i++) - hash[i] = atmel_sha_read(ctx->dd, SHA_REG_DIGEST(i)); - else if (ctx->flags & SHA_FLAGS_SHA384) - for (i = 0; i < SHA384_DIGEST_SIZE / sizeof(u32); i++) - hash[i] = atmel_sha_read(ctx->dd, SHA_REG_DIGEST(i)); - else - for (i = 0; i < SHA512_DIGEST_SIZE / sizeof(u32); i++) - hash[i] = atmel_sha_read(ctx->dd, SHA_REG_DIGEST(i)); + switch (ctx->flags & SHA_FLAGS_ALGO_MASK) { + case SHA_FLAGS_SHA1: + hashsize = SHA1_DIGEST_SIZE; + break; + + case SHA_FLAGS_SHA224: + case SHA_FLAGS_SHA256: + hashsize = SHA256_DIGEST_SIZE; + break; + + case SHA_FLAGS_SHA384: + case SHA_FLAGS_SHA512: + hashsize = SHA512_DIGEST_SIZE; + break; + + default: + /* Should not happen... */ + return; + } + + for (i = 0; i < hashsize / sizeof(u32); ++i) + hash[i] = atmel_sha_read(ctx->dd, SHA_REG_DIGEST(i)); + ctx->flags |= SHA_FLAGS_RESTORE; } static void atmel_sha_copy_ready_hash(struct ahash_request *req) @@ -788,7 +845,7 @@ static void atmel_sha_finish_req(struct ahash_request *req, int err) req->base.complete(&req->base, err); /* handle new request */ - tasklet_schedule(&dd->done_task); + tasklet_schedule(&dd->queue_task); } static int atmel_sha_hw_init(struct atmel_sha_dev *dd) @@ -922,36 +979,17 @@ static int atmel_sha_update(struct ahash_request *req) static int atmel_sha_final(struct ahash_request *req) { struct atmel_sha_reqctx *ctx = ahash_request_ctx(req); - struct atmel_sha_ctx *tctx = crypto_tfm_ctx(req->base.tfm); - struct atmel_sha_dev *dd = tctx->dd; - - int err = 0; ctx->flags |= SHA_FLAGS_FINUP; if (ctx->flags & SHA_FLAGS_ERROR) return 0; /* uncompleted hash is not needed */ - if (ctx->bufcnt) { - return atmel_sha_enqueue(req, SHA_OP_FINAL); - } else if (!(ctx->flags & SHA_FLAGS_PAD)) { /* add padding */ - err = atmel_sha_hw_init(dd); - if (err) - goto err1; - - dd->flags |= SHA_FLAGS_BUSY; - err = atmel_sha_final_req(dd); - } else { + if (ctx->flags & SHA_FLAGS_PAD) /* copy ready hash (+ finalize hmac) */ return atmel_sha_finish(req); - } - -err1: - if (err != -EINPROGRESS) - /* done_task will not finish it, so do it here */ - atmel_sha_finish_req(req, err); - return err; + return atmel_sha_enqueue(req, SHA_OP_FINAL); } static int atmel_sha_finup(struct ahash_request *req) @@ -979,11 +1017,27 @@ static int atmel_sha_digest(struct ahash_request *req) return atmel_sha_init(req) ?: atmel_sha_finup(req); } + +static int atmel_sha_export(struct ahash_request *req, void *out) +{ + const struct atmel_sha_reqctx *ctx = ahash_request_ctx(req); + + memcpy(out, ctx, sizeof(*ctx)); + return 0; +} + +static int atmel_sha_import(struct ahash_request *req, const void *in) +{ + struct atmel_sha_reqctx *ctx = ahash_request_ctx(req); + + memcpy(ctx, in, sizeof(*ctx)); + return 0; +} + static int atmel_sha_cra_init(struct crypto_tfm *tfm) { crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm), - sizeof(struct atmel_sha_reqctx) + - SHA_BUFFER_LEN + SHA512_BLOCK_SIZE); + sizeof(struct atmel_sha_reqctx)); return 0; } @@ -995,8 +1049,11 @@ static struct ahash_alg sha_1_256_algs[] = { .final = atmel_sha_final, .finup = atmel_sha_finup, .digest = atmel_sha_digest, + .export = atmel_sha_export, + .import = atmel_sha_import, .halg = { .digestsize = SHA1_DIGEST_SIZE, + .statesize = sizeof(struct atmel_sha_reqctx), .base = { .cra_name = "sha1", .cra_driver_name = "atmel-sha1", @@ -1016,8 +1073,11 @@ static struct ahash_alg sha_1_256_algs[] = { .final = atmel_sha_final, .finup = atmel_sha_finup, .digest = atmel_sha_digest, + .export = atmel_sha_export, + .import = atmel_sha_import, .halg = { .digestsize = SHA256_DIGEST_SIZE, + .statesize = sizeof(struct atmel_sha_reqctx), .base = { .cra_name = "sha256", .cra_driver_name = "atmel-sha256", @@ -1039,8 +1099,11 @@ static struct ahash_alg sha_224_alg = { .final = atmel_sha_final, .finup = atmel_sha_finup, .digest = atmel_sha_digest, + .export = atmel_sha_export, + .import = atmel_sha_import, .halg = { .digestsize = SHA224_DIGEST_SIZE, + .statesize = sizeof(struct atmel_sha_reqctx), .base = { .cra_name = "sha224", .cra_driver_name = "atmel-sha224", @@ -1062,8 +1125,11 @@ static struct ahash_alg sha_384_512_algs[] = { .final = atmel_sha_final, .finup = atmel_sha_finup, .digest = atmel_sha_digest, + .export = atmel_sha_export, + .import = atmel_sha_import, .halg = { .digestsize = SHA384_DIGEST_SIZE, + .statesize = sizeof(struct atmel_sha_reqctx), .base = { .cra_name = "sha384", .cra_driver_name = "atmel-sha384", @@ -1083,8 +1149,11 @@ static struct ahash_alg sha_384_512_algs[] = { .final = atmel_sha_final, .finup = atmel_sha_finup, .digest = atmel_sha_digest, + .export = atmel_sha_export, + .import = atmel_sha_import, .halg = { .digestsize = SHA512_DIGEST_SIZE, + .statesize = sizeof(struct atmel_sha_reqctx), .base = { .cra_name = "sha512", .cra_driver_name = "atmel-sha512", @@ -1100,16 +1169,18 @@ static struct ahash_alg sha_384_512_algs[] = { }, }; +static void atmel_sha_queue_task(unsigned long data) +{ + struct atmel_sha_dev *dd = (struct atmel_sha_dev *)data; + + atmel_sha_handle_queue(dd, NULL); +} + static void atmel_sha_done_task(unsigned long data) { struct atmel_sha_dev *dd = (struct atmel_sha_dev *)data; int err = 0; - if (!(SHA_FLAGS_BUSY & dd->flags)) { - atmel_sha_handle_queue(dd, NULL); - return; - } - if (SHA_FLAGS_CPU & dd->flags) { if (SHA_FLAGS_OUTPUT_READY & dd->flags) { dd->flags &= ~SHA_FLAGS_OUTPUT_READY; @@ -1272,14 +1343,23 @@ static void atmel_sha_get_cap(struct atmel_sha_dev *dd) dd->caps.has_dualbuff = 0; dd->caps.has_sha224 = 0; dd->caps.has_sha_384_512 = 0; + dd->caps.has_uihv = 0; /* keep only major version number */ switch (dd->hw_version & 0xff0) { + case 0x510: + dd->caps.has_dma = 1; + dd->caps.has_dualbuff = 1; + dd->caps.has_sha224 = 1; + dd->caps.has_sha_384_512 = 1; + dd->caps.has_uihv = 1; + break; case 0x420: dd->caps.has_dma = 1; dd->caps.has_dualbuff = 1; dd->caps.has_sha224 = 1; dd->caps.has_sha_384_512 = 1; + dd->caps.has_uihv = 1; break; case 0x410: dd->caps.has_dma = 1; @@ -1366,6 +1446,8 @@ static int atmel_sha_probe(struct platform_device *pdev) tasklet_init(&sha_dd->done_task, atmel_sha_done_task, (unsigned long)sha_dd); + tasklet_init(&sha_dd->queue_task, atmel_sha_queue_task, + (unsigned long)sha_dd); crypto_init_queue(&sha_dd->queue, ATMEL_SHA_QUEUE_LENGTH); @@ -1404,9 +1486,9 @@ static int atmel_sha_probe(struct platform_device *pdev) } sha_dd->io_base = devm_ioremap_resource(&pdev->dev, sha_res); - if (!sha_dd->io_base) { + if (IS_ERR(sha_dd->io_base)) { dev_err(dev, "can't ioremap\n"); - err = -ENOMEM; + err = PTR_ERR(sha_dd->io_base); goto res_err; } @@ -1464,6 +1546,7 @@ err_sha_dma: iclk_unprepare: clk_unprepare(sha_dd->iclk); res_err: + tasklet_kill(&sha_dd->queue_task); tasklet_kill(&sha_dd->done_task); sha_dd_err: dev_err(dev, "initialization failed.\n"); @@ -1484,6 +1567,7 @@ static int atmel_sha_remove(struct platform_device *pdev) atmel_sha_unregister_algs(sha_dd); + tasklet_kill(&sha_dd->queue_task); tasklet_kill(&sha_dd->done_task); if (sha_dd->caps.has_dma) diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c index 2c7a628..bf467d7 100644 --- a/drivers/crypto/atmel-tdes.c +++ b/drivers/crypto/atmel-tdes.c @@ -1417,9 +1417,9 @@ static int atmel_tdes_probe(struct platform_device *pdev) } tdes_dd->io_base = devm_ioremap_resource(&pdev->dev, tdes_res); - if (!tdes_dd->io_base) { + if (IS_ERR(tdes_dd->io_base)) { dev_err(dev, "can't ioremap\n"); - err = -ENOMEM; + err = PTR_ERR(tdes_dd->io_base); goto res_err; } diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 69d4a13..44d30b4 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -534,7 +534,7 @@ static int caam_probe(struct platform_device *pdev) * long pointers in master configuration register */ clrsetbits_32(&ctrl->mcr, MCFGR_AWCACHE_MASK, MCFGR_AWCACHE_CACH | - MCFGR_AWCACHE_BUFF | MCFGR_WDENABLE | + MCFGR_AWCACHE_BUFF | MCFGR_WDENABLE | MCFGR_LARGE_BURST | (sizeof(dma_addr_t) == sizeof(u64) ? MCFGR_LONG_PTR : 0)); /* diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index f7e0d8d..6fd63a6 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -65,7 +65,7 @@ static int caam_reset_hw_jr(struct device *dev) /* * Shutdown JobR independent of platform property code */ -int caam_jr_shutdown(struct device *dev) +static int caam_jr_shutdown(struct device *dev) { struct caam_drv_private_jr *jrp = dev_get_drvdata(dev); dma_addr_t inpbusaddr, outbusaddr; diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h index a8a7997..0ba9c40 100644 --- a/drivers/crypto/caam/regs.h +++ b/drivers/crypto/caam/regs.h @@ -455,7 +455,8 @@ struct caam_ctrl { #define MCFGR_AXIPIPE_MASK (0xf << MCFGR_AXIPIPE_SHIFT) #define MCFGR_AXIPRI 0x00000008 /* Assert AXI priority sideband */ -#define MCFGR_BURST_64 0x00000001 /* Max burst size */ +#define MCFGR_LARGE_BURST 0x00000004 /* 128/256-byte burst size */ +#define MCFGR_BURST_64 0x00000001 /* 64-byte burst size */ /* JRSTART register offsets */ #define JRSTART_JR0_START 0x00000001 /* Start Job ring 0 */ diff --git a/drivers/crypto/ccp/Makefile b/drivers/crypto/ccp/Makefile index 55a1f39..b750592 100644 --- a/drivers/crypto/ccp/Makefile +++ b/drivers/crypto/ccp/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_CRYPTO_DEV_CCP_DD) += ccp.o -ccp-objs := ccp-dev.o ccp-ops.o ccp-platform.o +ccp-objs := ccp-dev.o ccp-ops.o ccp-dev-v3.o ccp-platform.o ccp-$(CONFIG_PCI) += ccp-pci.o obj-$(CONFIG_CRYPTO_DEV_CCP_CRYPTO) += ccp-crypto.o diff --git a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c index d89f20c..3d9acc5 100644 --- a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c +++ b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c @@ -220,6 +220,39 @@ static int ccp_aes_cmac_digest(struct ahash_request *req) return ccp_aes_cmac_finup(req); } +static int ccp_aes_cmac_export(struct ahash_request *req, void *out) +{ + struct ccp_aes_cmac_req_ctx *rctx = ahash_request_ctx(req); + struct ccp_aes_cmac_exp_ctx state; + + state.null_msg = rctx->null_msg; + memcpy(state.iv, rctx->iv, sizeof(state.iv)); + state.buf_count = rctx->buf_count; + memcpy(state.buf, rctx->buf, sizeof(state.buf)); + + /* 'out' may not be aligned so memcpy from local variable */ + memcpy(out, &state, sizeof(state)); + + return 0; +} + +static int ccp_aes_cmac_import(struct ahash_request *req, const void *in) +{ + struct ccp_aes_cmac_req_ctx *rctx = ahash_request_ctx(req); + struct ccp_aes_cmac_exp_ctx state; + + /* 'in' may not be aligned so memcpy to local variable */ + memcpy(&state, in, sizeof(state)); + + memset(rctx, 0, sizeof(*rctx)); + rctx->null_msg = state.null_msg; + memcpy(rctx->iv, state.iv, sizeof(rctx->iv)); + rctx->buf_count = state.buf_count; + memcpy(rctx->buf, state.buf, sizeof(rctx->buf)); + + return 0; +} + static int ccp_aes_cmac_setkey(struct crypto_ahash *tfm, const u8 *key, unsigned int key_len) { @@ -352,10 +385,13 @@ int ccp_register_aes_cmac_algs(struct list_head *head) alg->final = ccp_aes_cmac_final; alg->finup = ccp_aes_cmac_finup; alg->digest = ccp_aes_cmac_digest; + alg->export = ccp_aes_cmac_export; + alg->import = ccp_aes_cmac_import; alg->setkey = ccp_aes_cmac_setkey; halg = &alg->halg; halg->digestsize = AES_BLOCK_SIZE; + halg->statesize = sizeof(struct ccp_aes_cmac_exp_ctx); base = &halg->base; snprintf(base->cra_name, CRYPTO_MAX_ALG_NAME, "cmac(aes)"); diff --git a/drivers/crypto/ccp/ccp-crypto-aes.c b/drivers/crypto/ccp/ccp-crypto-aes.c index 7984f91..89291c1 100644 --- a/drivers/crypto/ccp/ccp-crypto-aes.c +++ b/drivers/crypto/ccp/ccp-crypto-aes.c @@ -1,7 +1,7 @@ /* * AMD Cryptographic Coprocessor (CCP) AES crypto API support * - * Copyright (C) 2013 Advanced Micro Devices, Inc. + * Copyright (C) 2013,2016 Advanced Micro Devices, Inc. * * Author: Tom Lendacky <thomas.lendacky@amd.com> * @@ -259,6 +259,7 @@ static struct crypto_alg ccp_aes_rfc3686_defaults = { struct ccp_aes_def { enum ccp_aes_mode mode; + unsigned int version; const char *name; const char *driver_name; unsigned int blocksize; @@ -269,6 +270,7 @@ struct ccp_aes_def { static struct ccp_aes_def aes_algs[] = { { .mode = CCP_AES_MODE_ECB, + .version = CCP_VERSION(3, 0), .name = "ecb(aes)", .driver_name = "ecb-aes-ccp", .blocksize = AES_BLOCK_SIZE, @@ -277,6 +279,7 @@ static struct ccp_aes_def aes_algs[] = { }, { .mode = CCP_AES_MODE_CBC, + .version = CCP_VERSION(3, 0), .name = "cbc(aes)", .driver_name = "cbc-aes-ccp", .blocksize = AES_BLOCK_SIZE, @@ -285,6 +288,7 @@ static struct ccp_aes_def aes_algs[] = { }, { .mode = CCP_AES_MODE_CFB, + .version = CCP_VERSION(3, 0), .name = "cfb(aes)", .driver_name = "cfb-aes-ccp", .blocksize = AES_BLOCK_SIZE, @@ -293,6 +297,7 @@ static struct ccp_aes_def aes_algs[] = { }, { .mode = CCP_AES_MODE_OFB, + .version = CCP_VERSION(3, 0), .name = "ofb(aes)", .driver_name = "ofb-aes-ccp", .blocksize = 1, @@ -301,6 +306,7 @@ static struct ccp_aes_def aes_algs[] = { }, { .mode = CCP_AES_MODE_CTR, + .version = CCP_VERSION(3, 0), .name = "ctr(aes)", .driver_name = "ctr-aes-ccp", .blocksize = 1, @@ -309,6 +315,7 @@ static struct ccp_aes_def aes_algs[] = { }, { .mode = CCP_AES_MODE_CTR, + .version = CCP_VERSION(3, 0), .name = "rfc3686(ctr(aes))", .driver_name = "rfc3686-ctr-aes-ccp", .blocksize = 1, @@ -357,8 +364,11 @@ static int ccp_register_aes_alg(struct list_head *head, int ccp_register_aes_algs(struct list_head *head) { int i, ret; + unsigned int ccpversion = ccp_version(); for (i = 0; i < ARRAY_SIZE(aes_algs); i++) { + if (aes_algs[i].version > ccpversion) + continue; ret = ccp_register_aes_alg(head, &aes_algs[i]); if (ret) return ret; diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c index d14b3f2..b5ad728 100644 --- a/drivers/crypto/ccp/ccp-crypto-sha.c +++ b/drivers/crypto/ccp/ccp-crypto-sha.c @@ -1,7 +1,7 @@ /* * AMD Cryptographic Coprocessor (CCP) SHA crypto API support * - * Copyright (C) 2013 Advanced Micro Devices, Inc. + * Copyright (C) 2013,2016 Advanced Micro Devices, Inc. * * Author: Tom Lendacky <thomas.lendacky@amd.com> * @@ -207,6 +207,43 @@ static int ccp_sha_digest(struct ahash_request *req) return ccp_sha_finup(req); } +static int ccp_sha_export(struct ahash_request *req, void *out) +{ + struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req); + struct ccp_sha_exp_ctx state; + + state.type = rctx->type; + state.msg_bits = rctx->msg_bits; + state.first = rctx->first; + memcpy(state.ctx, rctx->ctx, sizeof(state.ctx)); + state.buf_count = rctx->buf_count; + memcpy(state.buf, rctx->buf, sizeof(state.buf)); + + /* 'out' may not be aligned so memcpy from local variable */ + memcpy(out, &state, sizeof(state)); + + return 0; +} + +static int ccp_sha_import(struct ahash_request *req, const void *in) +{ + struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req); + struct ccp_sha_exp_ctx state; + + /* 'in' may not be aligned so memcpy to local variable */ + memcpy(&state, in, sizeof(state)); + + memset(rctx, 0, sizeof(*rctx)); + rctx->type = state.type; + rctx->msg_bits = state.msg_bits; + rctx->first = state.first; + memcpy(rctx->ctx, state.ctx, sizeof(rctx->ctx)); + rctx->buf_count = state.buf_count; + memcpy(rctx->buf, state.buf, sizeof(rctx->buf)); + + return 0; +} + static int ccp_sha_setkey(struct crypto_ahash *tfm, const u8 *key, unsigned int key_len) { @@ -304,6 +341,7 @@ static void ccp_hmac_sha_cra_exit(struct crypto_tfm *tfm) } struct ccp_sha_def { + unsigned int version; const char *name; const char *drv_name; enum ccp_sha_type type; @@ -313,6 +351,7 @@ struct ccp_sha_def { static struct ccp_sha_def sha_algs[] = { { + .version = CCP_VERSION(3, 0), .name = "sha1", .drv_name = "sha1-ccp", .type = CCP_SHA_TYPE_1, @@ -320,6 +359,7 @@ static struct ccp_sha_def sha_algs[] = { .block_size = SHA1_BLOCK_SIZE, }, { + .version = CCP_VERSION(3, 0), .name = "sha224", .drv_name = "sha224-ccp", .type = CCP_SHA_TYPE_224, @@ -327,6 +367,7 @@ static struct ccp_sha_def sha_algs[] = { .block_size = SHA224_BLOCK_SIZE, }, { + .version = CCP_VERSION(3, 0), .name = "sha256", .drv_name = "sha256-ccp", .type = CCP_SHA_TYPE_256, @@ -403,9 +444,12 @@ static int ccp_register_sha_alg(struct list_head *head, alg->final = ccp_sha_final; alg->finup = ccp_sha_finup; alg->digest = ccp_sha_digest; + alg->export = ccp_sha_export; + alg->import = ccp_sha_import; halg = &alg->halg; halg->digestsize = def->digest_size; + halg->statesize = sizeof(struct ccp_sha_exp_ctx); base = &halg->base; snprintf(base->cra_name, CRYPTO_MAX_ALG_NAME, "%s", def->name); @@ -440,8 +484,11 @@ static int ccp_register_sha_alg(struct list_head *head, int ccp_register_sha_algs(struct list_head *head) { int i, ret; + unsigned int ccpversion = ccp_version(); for (i = 0; i < ARRAY_SIZE(sha_algs); i++) { + if (sha_algs[i].version > ccpversion) + continue; ret = ccp_register_sha_alg(head, &sha_algs[i]); if (ret) return ret; diff --git a/drivers/crypto/ccp/ccp-crypto.h b/drivers/crypto/ccp/ccp-crypto.h index 76a96f0..a326ec2 100644 --- a/drivers/crypto/ccp/ccp-crypto.h +++ b/drivers/crypto/ccp/ccp-crypto.h @@ -129,6 +129,15 @@ struct ccp_aes_cmac_req_ctx { struct ccp_cmd cmd; }; +struct ccp_aes_cmac_exp_ctx { + unsigned int null_msg; + + u8 iv[AES_BLOCK_SIZE]; + + unsigned int buf_count; + u8 buf[AES_BLOCK_SIZE]; +}; + /***** SHA related defines *****/ #define MAX_SHA_CONTEXT_SIZE SHA256_DIGEST_SIZE #define MAX_SHA_BLOCK_SIZE SHA256_BLOCK_SIZE @@ -171,6 +180,19 @@ struct ccp_sha_req_ctx { struct ccp_cmd cmd; }; +struct ccp_sha_exp_ctx { + enum ccp_sha_type type; + + u64 msg_bits; + + unsigned int first; + + u8 ctx[MAX_SHA_CONTEXT_SIZE]; + + unsigned int buf_count; + u8 buf[MAX_SHA_BLOCK_SIZE]; +}; + /***** Common Context Structure *****/ struct ccp_ctx { int (*complete)(struct crypto_async_request *req, int ret); diff --git a/drivers/crypto/ccp/ccp-dev-v3.c b/drivers/crypto/ccp/ccp-dev-v3.c new file mode 100644 index 0000000..7d5eab4 --- /dev/null +++ b/drivers/crypto/ccp/ccp-dev-v3.c @@ -0,0 +1,533 @@ +/* + * AMD Cryptographic Coprocessor (CCP) driver + * + * Copyright (C) 2013,2016 Advanced Micro Devices, Inc. + * + * Author: Tom Lendacky <thomas.lendacky@amd.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/kthread.h> +#include <linux/interrupt.h> +#include <linux/ccp.h> + +#include "ccp-dev.h" + +static int ccp_do_cmd(struct ccp_op *op, u32 *cr, unsigned int cr_count) +{ + struct ccp_cmd_queue *cmd_q = op->cmd_q; + struct ccp_device *ccp = cmd_q->ccp; + void __iomem *cr_addr; + u32 cr0, cmd; + unsigned int i; + int ret = 0; + + /* We could read a status register to see how many free slots + * are actually available, but reading that register resets it + * and you could lose some error information. + */ + cmd_q->free_slots--; + + cr0 = (cmd_q->id << REQ0_CMD_Q_SHIFT) + | (op->jobid << REQ0_JOBID_SHIFT) + | REQ0_WAIT_FOR_WRITE; + + if (op->soc) + cr0 |= REQ0_STOP_ON_COMPLETE + | REQ0_INT_ON_COMPLETE; + + if (op->ioc || !cmd_q->free_slots) + cr0 |= REQ0_INT_ON_COMPLETE; + + /* Start at CMD_REQ1 */ + cr_addr = ccp->io_regs + CMD_REQ0 + CMD_REQ_INCR; + + mutex_lock(&ccp->req_mutex); + + /* Write CMD_REQ1 through CMD_REQx first */ + for (i = 0; i < cr_count; i++, cr_addr += CMD_REQ_INCR) + iowrite32(*(cr + i), cr_addr); + + /* Tell the CCP to start */ + wmb(); + iowrite32(cr0, ccp->io_regs + CMD_REQ0); + + mutex_unlock(&ccp->req_mutex); + + if (cr0 & REQ0_INT_ON_COMPLETE) { + /* Wait for the job to complete */ + ret = wait_event_interruptible(cmd_q->int_queue, + cmd_q->int_rcvd); + if (ret || cmd_q->cmd_error) { + /* On error delete all related jobs from the queue */ + cmd = (cmd_q->id << DEL_Q_ID_SHIFT) + | op->jobid; + + iowrite32(cmd, ccp->io_regs + DEL_CMD_Q_JOB); + + if (!ret) + ret = -EIO; + } else if (op->soc) { + /* Delete just head job from the queue on SoC */ + cmd = DEL_Q_ACTIVE + | (cmd_q->id << DEL_Q_ID_SHIFT) + | op->jobid; + + iowrite32(cmd, ccp->io_regs + DEL_CMD_Q_JOB); + } + + cmd_q->free_slots = CMD_Q_DEPTH(cmd_q->q_status); + + cmd_q->int_rcvd = 0; + } + + return ret; +} + +static int ccp_perform_aes(struct ccp_op *op) +{ + u32 cr[6]; + + /* Fill out the register contents for REQ1 through REQ6 */ + cr[0] = (CCP_ENGINE_AES << REQ1_ENGINE_SHIFT) + | (op->u.aes.type << REQ1_AES_TYPE_SHIFT) + | (op->u.aes.mode << REQ1_AES_MODE_SHIFT) + | (op->u.aes.action << REQ1_AES_ACTION_SHIFT) + | (op->ksb_key << REQ1_KEY_KSB_SHIFT); + cr[1] = op->src.u.dma.length - 1; + cr[2] = ccp_addr_lo(&op->src.u.dma); + cr[3] = (op->ksb_ctx << REQ4_KSB_SHIFT) + | (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) + | ccp_addr_hi(&op->src.u.dma); + cr[4] = ccp_addr_lo(&op->dst.u.dma); + cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT) + | ccp_addr_hi(&op->dst.u.dma); + + if (op->u.aes.mode == CCP_AES_MODE_CFB) + cr[0] |= ((0x7f) << REQ1_AES_CFB_SIZE_SHIFT); + + if (op->eom) + cr[0] |= REQ1_EOM; + + if (op->init) + cr[0] |= REQ1_INIT; + + return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); +} + +static int ccp_perform_xts_aes(struct ccp_op *op) +{ + u32 cr[6]; + + /* Fill out the register contents for REQ1 through REQ6 */ + cr[0] = (CCP_ENGINE_XTS_AES_128 << REQ1_ENGINE_SHIFT) + | (op->u.xts.action << REQ1_AES_ACTION_SHIFT) + | (op->u.xts.unit_size << REQ1_XTS_AES_SIZE_SHIFT) + | (op->ksb_key << REQ1_KEY_KSB_SHIFT); + cr[1] = op->src.u.dma.length - 1; + cr[2] = ccp_addr_lo(&op->src.u.dma); + cr[3] = (op->ksb_ctx << REQ4_KSB_SHIFT) + | (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) + | ccp_addr_hi(&op->src.u.dma); + cr[4] = ccp_addr_lo(&op->dst.u.dma); + cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT) + | ccp_addr_hi(&op->dst.u.dma); + + if (op->eom) + cr[0] |= REQ1_EOM; + + if (op->init) + cr[0] |= REQ1_INIT; + + return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); +} + +static int ccp_perform_sha(struct ccp_op *op) +{ + u32 cr[6]; + + /* Fill out the register contents for REQ1 through REQ6 */ + cr[0] = (CCP_ENGINE_SHA << REQ1_ENGINE_SHIFT) + | (op->u.sha.type << REQ1_SHA_TYPE_SHIFT) + | REQ1_INIT; + cr[1] = op->src.u.dma.length - 1; + cr[2] = ccp_addr_lo(&op->src.u.dma); + cr[3] = (op->ksb_ctx << REQ4_KSB_SHIFT) + | (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) + | ccp_addr_hi(&op->src.u.dma); + + if (op->eom) { + cr[0] |= REQ1_EOM; + cr[4] = lower_32_bits(op->u.sha.msg_bits); + cr[5] = upper_32_bits(op->u.sha.msg_bits); + } else { + cr[4] = 0; + cr[5] = 0; + } + + return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); +} + +static int ccp_perform_rsa(struct ccp_op *op) +{ + u32 cr[6]; + + /* Fill out the register contents for REQ1 through REQ6 */ + cr[0] = (CCP_ENGINE_RSA << REQ1_ENGINE_SHIFT) + | (op->u.rsa.mod_size << REQ1_RSA_MOD_SIZE_SHIFT) + | (op->ksb_key << REQ1_KEY_KSB_SHIFT) + | REQ1_EOM; + cr[1] = op->u.rsa.input_len - 1; + cr[2] = ccp_addr_lo(&op->src.u.dma); + cr[3] = (op->ksb_ctx << REQ4_KSB_SHIFT) + | (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) + | ccp_addr_hi(&op->src.u.dma); + cr[4] = ccp_addr_lo(&op->dst.u.dma); + cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT) + | ccp_addr_hi(&op->dst.u.dma); + + return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); +} + +static int ccp_perform_passthru(struct ccp_op *op) +{ + u32 cr[6]; + + /* Fill out the register contents for REQ1 through REQ6 */ + cr[0] = (CCP_ENGINE_PASSTHRU << REQ1_ENGINE_SHIFT) + | (op->u.passthru.bit_mod << REQ1_PT_BW_SHIFT) + | (op->u.passthru.byte_swap << REQ1_PT_BS_SHIFT); + + if (op->src.type == CCP_MEMTYPE_SYSTEM) + cr[1] = op->src.u.dma.length - 1; + else + cr[1] = op->dst.u.dma.length - 1; + + if (op->src.type == CCP_MEMTYPE_SYSTEM) { + cr[2] = ccp_addr_lo(&op->src.u.dma); + cr[3] = (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) + | ccp_addr_hi(&op->src.u.dma); + + if (op->u.passthru.bit_mod != CCP_PASSTHRU_BITWISE_NOOP) + cr[3] |= (op->ksb_key << REQ4_KSB_SHIFT); + } else { + cr[2] = op->src.u.ksb * CCP_KSB_BYTES; + cr[3] = (CCP_MEMTYPE_KSB << REQ4_MEMTYPE_SHIFT); + } + + if (op->dst.type == CCP_MEMTYPE_SYSTEM) { + cr[4] = ccp_addr_lo(&op->dst.u.dma); + cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT) + | ccp_addr_hi(&op->dst.u.dma); + } else { + cr[4] = op->dst.u.ksb * CCP_KSB_BYTES; + cr[5] = (CCP_MEMTYPE_KSB << REQ6_MEMTYPE_SHIFT); + } + + if (op->eom) + cr[0] |= REQ1_EOM; + + return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); +} + +static int ccp_perform_ecc(struct ccp_op *op) +{ + u32 cr[6]; + + /* Fill out the register contents for REQ1 through REQ6 */ + cr[0] = REQ1_ECC_AFFINE_CONVERT + | (CCP_ENGINE_ECC << REQ1_ENGINE_SHIFT) + | (op->u.ecc.function << REQ1_ECC_FUNCTION_SHIFT) + | REQ1_EOM; + cr[1] = op->src.u.dma.length - 1; + cr[2] = ccp_addr_lo(&op->src.u.dma); + cr[3] = (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) + | ccp_addr_hi(&op->src.u.dma); + cr[4] = ccp_addr_lo(&op->dst.u.dma); + cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT) + | ccp_addr_hi(&op->dst.u.dma); + + return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); +} + +static int ccp_trng_read(struct hwrng *rng, void *data, size_t max, bool wait) +{ + struct ccp_device *ccp = container_of(rng, struct ccp_device, hwrng); + u32 trng_value; + int len = min_t(int, sizeof(trng_value), max); + + /* + * Locking is provided by the caller so we can update device + * hwrng-related fields safely + */ + trng_value = ioread32(ccp->io_regs + TRNG_OUT_REG); + if (!trng_value) { + /* Zero is returned if not data is available or if a + * bad-entropy error is present. Assume an error if + * we exceed TRNG_RETRIES reads of zero. + */ + if (ccp->hwrng_retries++ > TRNG_RETRIES) + return -EIO; + + return 0; + } + + /* Reset the counter and save the rng value */ + ccp->hwrng_retries = 0; + memcpy(data, &trng_value, len); + + return len; +} + +static int ccp_init(struct ccp_device *ccp) +{ + struct device *dev = ccp->dev; + struct ccp_cmd_queue *cmd_q; + struct dma_pool *dma_pool; + char dma_pool_name[MAX_DMAPOOL_NAME_LEN]; + unsigned int qmr, qim, i; + int ret; + + /* Find available queues */ + qim = 0; + qmr = ioread32(ccp->io_regs + Q_MASK_REG); + for (i = 0; i < MAX_HW_QUEUES; i++) { + if (!(qmr & (1 << i))) + continue; + + /* Allocate a dma pool for this queue */ + snprintf(dma_pool_name, sizeof(dma_pool_name), "%s_q%d", + ccp->name, i); + dma_pool = dma_pool_create(dma_pool_name, dev, + CCP_DMAPOOL_MAX_SIZE, + CCP_DMAPOOL_ALIGN, 0); + if (!dma_pool) { + dev_err(dev, "unable to allocate dma pool\n"); + ret = -ENOMEM; + goto e_pool; + } + + cmd_q = &ccp->cmd_q[ccp->cmd_q_count]; + ccp->cmd_q_count++; + + cmd_q->ccp = ccp; + cmd_q->id = i; + cmd_q->dma_pool = dma_pool; + + /* Reserve 2 KSB regions for the queue */ + cmd_q->ksb_key = KSB_START + ccp->ksb_start++; + cmd_q->ksb_ctx = KSB_START + ccp->ksb_start++; + ccp->ksb_count -= 2; + + /* Preset some register values and masks that are queue + * number dependent + */ + cmd_q->reg_status = ccp->io_regs + CMD_Q_STATUS_BASE + + (CMD_Q_STATUS_INCR * i); + cmd_q->reg_int_status = ccp->io_regs + CMD_Q_INT_STATUS_BASE + + (CMD_Q_STATUS_INCR * i); + cmd_q->int_ok = 1 << (i * 2); + cmd_q->int_err = 1 << ((i * 2) + 1); + + cmd_q->free_slots = CMD_Q_DEPTH(ioread32(cmd_q->reg_status)); + + init_waitqueue_head(&cmd_q->int_queue); + + /* Build queue interrupt mask (two interrupts per queue) */ + qim |= cmd_q->int_ok | cmd_q->int_err; + +#ifdef CONFIG_ARM64 + /* For arm64 set the recommended queue cache settings */ + iowrite32(ccp->axcache, ccp->io_regs + CMD_Q_CACHE_BASE + + (CMD_Q_CACHE_INC * i)); +#endif + + dev_dbg(dev, "queue #%u available\n", i); + } + if (ccp->cmd_q_count == 0) { + dev_notice(dev, "no command queues available\n"); + ret = -EIO; + goto e_pool; + } + dev_notice(dev, "%u command queues available\n", ccp->cmd_q_count); + + /* Disable and clear interrupts until ready */ + iowrite32(0x00, ccp->io_regs + IRQ_MASK_REG); + for (i = 0; i < ccp->cmd_q_count; i++) { + cmd_q = &ccp->cmd_q[i]; + + ioread32(cmd_q->reg_int_status); + ioread32(cmd_q->reg_status); + } + iowrite32(qim, ccp->io_regs + IRQ_STATUS_REG); + + /* Request an irq */ + ret = ccp->get_irq(ccp); + if (ret) { + dev_err(dev, "unable to allocate an IRQ\n"); + goto e_pool; + } + + /* Initialize the queues used to wait for KSB space and suspend */ + init_waitqueue_head(&ccp->ksb_queue); + init_waitqueue_head(&ccp->suspend_queue); + + /* Create a kthread for each queue */ + for (i = 0; i < ccp->cmd_q_count; i++) { + struct task_struct *kthread; + + cmd_q = &ccp->cmd_q[i]; + + kthread = kthread_create(ccp_cmd_queue_thread, cmd_q, + "%s-q%u", ccp->name, cmd_q->id); + if (IS_ERR(kthread)) { + dev_err(dev, "error creating queue thread (%ld)\n", + PTR_ERR(kthread)); + ret = PTR_ERR(kthread); + goto e_kthread; + } + + cmd_q->kthread = kthread; + wake_up_process(kthread); + } + + /* Register the RNG */ + ccp->hwrng.name = ccp->rngname; + ccp->hwrng.read = ccp_trng_read; + ret = hwrng_register(&ccp->hwrng); + if (ret) { + dev_err(dev, "error registering hwrng (%d)\n", ret); + goto e_kthread; + } + + ccp_add_device(ccp); + + /* Enable interrupts */ + iowrite32(qim, ccp->io_regs + IRQ_MASK_REG); + + return 0; + +e_kthread: + for (i = 0; i < ccp->cmd_q_count; i++) + if (ccp->cmd_q[i].kthread) + kthread_stop(ccp->cmd_q[i].kthread); + + ccp->free_irq(ccp); + +e_pool: + for (i = 0; i < ccp->cmd_q_count; i++) + dma_pool_destroy(ccp->cmd_q[i].dma_pool); + + return ret; +} + +static void ccp_destroy(struct ccp_device *ccp) +{ + struct ccp_cmd_queue *cmd_q; + struct ccp_cmd *cmd; + unsigned int qim, i; + + /* Remove this device from the list of available units first */ + ccp_del_device(ccp); + + /* Unregister the RNG */ + hwrng_unregister(&ccp->hwrng); + + /* Stop the queue kthreads */ + for (i = 0; i < ccp->cmd_q_count; i++) + if (ccp->cmd_q[i].kthread) + kthread_stop(ccp->cmd_q[i].kthread); + + /* Build queue interrupt mask (two interrupt masks per queue) */ + qim = 0; + for (i = 0; i < ccp->cmd_q_count; i++) { + cmd_q = &ccp->cmd_q[i]; + qim |= cmd_q->int_ok | cmd_q->int_err; + } + + /* Disable and clear interrupts */ + iowrite32(0x00, ccp->io_regs + IRQ_MASK_REG); + for (i = 0; i < ccp->cmd_q_count; i++) { + cmd_q = &ccp->cmd_q[i]; + + ioread32(cmd_q->reg_int_status); + ioread32(cmd_q->reg_status); + } + iowrite32(qim, ccp->io_regs + IRQ_STATUS_REG); + + ccp->free_irq(ccp); + + for (i = 0; i < ccp->cmd_q_count; i++) + dma_pool_destroy(ccp->cmd_q[i].dma_pool); + + /* Flush the cmd and backlog queue */ + while (!list_empty(&ccp->cmd)) { + /* Invoke the callback directly with an error code */ + cmd = list_first_entry(&ccp->cmd, struct ccp_cmd, entry); + list_del(&cmd->entry); + cmd->callback(cmd->data, -ENODEV); + } + while (!list_empty(&ccp->backlog)) { + /* Invoke the callback directly with an error code */ + cmd = list_first_entry(&ccp->backlog, struct ccp_cmd, entry); + list_del(&cmd->entry); + cmd->callback(cmd->data, -ENODEV); + } +} + +static irqreturn_t ccp_irq_handler(int irq, void *data) +{ + struct device *dev = data; + struct ccp_device *ccp = dev_get_drvdata(dev); + struct ccp_cmd_queue *cmd_q; + u32 q_int, status; + unsigned int i; + + status = ioread32(ccp->io_regs + IRQ_STATUS_REG); + + for (i = 0; i < ccp->cmd_q_count; i++) { + cmd_q = &ccp->cmd_q[i]; + + q_int = status & (cmd_q->int_ok | cmd_q->int_err); + if (q_int) { + cmd_q->int_status = status; + cmd_q->q_status = ioread32(cmd_q->reg_status); + cmd_q->q_int_status = ioread32(cmd_q->reg_int_status); + + /* On error, only save the first error value */ + if ((q_int & cmd_q->int_err) && !cmd_q->cmd_error) + cmd_q->cmd_error = CMD_Q_ERROR(cmd_q->q_status); + + cmd_q->int_rcvd = 1; + + /* Acknowledge the interrupt and wake the kthread */ + iowrite32(q_int, ccp->io_regs + IRQ_STATUS_REG); + wake_up_interruptible(&cmd_q->int_queue); + } + } + + return IRQ_HANDLED; +} + +static struct ccp_actions ccp3_actions = { + .perform_aes = ccp_perform_aes, + .perform_xts_aes = ccp_perform_xts_aes, + .perform_sha = ccp_perform_sha, + .perform_rsa = ccp_perform_rsa, + .perform_passthru = ccp_perform_passthru, + .perform_ecc = ccp_perform_ecc, + .init = ccp_init, + .destroy = ccp_destroy, + .irqhandler = ccp_irq_handler, +}; + +struct ccp_vdata ccpv3 = { + .version = CCP_VERSION(3, 0), + .perform = &ccp3_actions, +}; diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c index 861bacc..336e5b7 100644 --- a/drivers/crypto/ccp/ccp-dev.c +++ b/drivers/crypto/ccp/ccp-dev.c @@ -1,7 +1,7 @@ /* * AMD Cryptographic Coprocessor (CCP) driver * - * Copyright (C) 2013 Advanced Micro Devices, Inc. + * Copyright (C) 2013,2016 Advanced Micro Devices, Inc. * * Author: Tom Lendacky <thomas.lendacky@amd.com> * @@ -16,6 +16,8 @@ #include <linux/sched.h> #include <linux/interrupt.h> #include <linux/spinlock.h> +#include <linux/rwlock_types.h> +#include <linux/types.h> #include <linux/mutex.h> #include <linux/delay.h> #include <linux/hw_random.h> @@ -37,20 +39,107 @@ struct ccp_tasklet_data { struct ccp_cmd *cmd; }; -static struct ccp_device *ccp_dev; -static inline struct ccp_device *ccp_get_device(void) +/* List of CCPs, CCP count, read-write access lock, and access functions + * + * Lock structure: get ccp_unit_lock for reading whenever we need to + * examine the CCP list. While holding it for reading we can acquire + * the RR lock to update the round-robin next-CCP pointer. The unit lock + * must be acquired before the RR lock. + * + * If the unit-lock is acquired for writing, we have total control over + * the list, so there's no value in getting the RR lock. + */ +static DEFINE_RWLOCK(ccp_unit_lock); +static LIST_HEAD(ccp_units); + +/* Round-robin counter */ +static DEFINE_RWLOCK(ccp_rr_lock); +static struct ccp_device *ccp_rr; + +/* Ever-increasing value to produce unique unit numbers */ +static atomic_t ccp_unit_ordinal; +unsigned int ccp_increment_unit_ordinal(void) { - return ccp_dev; + return atomic_inc_return(&ccp_unit_ordinal); } -static inline void ccp_add_device(struct ccp_device *ccp) +/** + * ccp_add_device - add a CCP device to the list + * + * @ccp: ccp_device struct pointer + * + * Put this CCP on the unit list, which makes it available + * for use. + * + * Returns zero if a CCP device is present, -ENODEV otherwise. + */ +void ccp_add_device(struct ccp_device *ccp) { - ccp_dev = ccp; + unsigned long flags; + + write_lock_irqsave(&ccp_unit_lock, flags); + list_add_tail(&ccp->entry, &ccp_units); + if (!ccp_rr) + /* We already have the list lock (we're first) so this + * pointer can't change on us. Set its initial value. + */ + ccp_rr = ccp; + write_unlock_irqrestore(&ccp_unit_lock, flags); } -static inline void ccp_del_device(struct ccp_device *ccp) +/** + * ccp_del_device - remove a CCP device from the list + * + * @ccp: ccp_device struct pointer + * + * Remove this unit from the list of devices. If the next device + * up for use is this one, adjust the pointer. If this is the last + * device, NULL the pointer. + */ +void ccp_del_device(struct ccp_device *ccp) { - ccp_dev = NULL; + unsigned long flags; + + write_lock_irqsave(&ccp_unit_lock, flags); + if (ccp_rr == ccp) { + /* ccp_unit_lock is read/write; any read access + * will be suspended while we make changes to the + * list and RR pointer. + */ + if (list_is_last(&ccp_rr->entry, &ccp_units)) + ccp_rr = list_first_entry(&ccp_units, struct ccp_device, + entry); + else + ccp_rr = list_next_entry(ccp_rr, entry); + } + list_del(&ccp->entry); + if (list_empty(&ccp_units)) + ccp_rr = NULL; + write_unlock_irqrestore(&ccp_unit_lock, flags); +} + +static struct ccp_device *ccp_get_device(void) +{ + unsigned long flags; + struct ccp_device *dp = NULL; + + /* We round-robin through the unit list. + * The (ccp_rr) pointer refers to the next unit to use. + */ + read_lock_irqsave(&ccp_unit_lock, flags); + if (!list_empty(&ccp_units)) { + write_lock_irqsave(&ccp_rr_lock, flags); + dp = ccp_rr; + if (list_is_last(&ccp_rr->entry, &ccp_units)) + ccp_rr = list_first_entry(&ccp_units, struct ccp_device, + entry); + else + ccp_rr = list_next_entry(ccp_rr, entry); + write_unlock_irqrestore(&ccp_rr_lock, flags); + } + read_unlock_irqrestore(&ccp_unit_lock, flags); + + return dp; } /** @@ -60,14 +149,41 @@ static inline void ccp_del_device(struct ccp_device *ccp) */ int ccp_present(void) { - if (ccp_get_device()) - return 0; + unsigned long flags; + int ret; - return -ENODEV; + read_lock_irqsave(&ccp_unit_lock, flags); + ret = list_empty(&ccp_units); + read_unlock_irqrestore(&ccp_unit_lock, flags); + + return ret ? -ENODEV : 0; } EXPORT_SYMBOL_GPL(ccp_present); /** + * ccp_version - get the version of the CCP device + * + * Returns the version from the first unit on the list; + * otherwise a zero if no CCP device is present + */ +unsigned int ccp_version(void) +{ + struct ccp_device *dp; + unsigned long flags; + int ret = 0; + + read_lock_irqsave(&ccp_unit_lock, flags); + if (!list_empty(&ccp_units)) { + dp = list_first_entry(&ccp_units, struct ccp_device, entry); + ret = dp->vdata->version; + } + read_unlock_irqrestore(&ccp_unit_lock, flags); + + return ret; +} +EXPORT_SYMBOL_GPL(ccp_version); + +/** * ccp_enqueue_cmd - queue an operation for processing by the CCP * * @cmd: ccp_cmd struct to be processed @@ -221,7 +337,12 @@ static void ccp_do_cmd_complete(unsigned long data) complete(&tdata->completion); } -static int ccp_cmd_queue_thread(void *data) +/** + * ccp_cmd_queue_thread - create a kernel thread to manage a CCP queue + * + * @data: thread-specific data + */ +int ccp_cmd_queue_thread(void *data) { struct ccp_cmd_queue *cmd_q = (struct ccp_cmd_queue *)data; struct ccp_cmd *cmd; @@ -257,35 +378,6 @@ static int ccp_cmd_queue_thread(void *data) return 0; } -static int ccp_trng_read(struct hwrng *rng, void *data, size_t max, bool wait) -{ - struct ccp_device *ccp = container_of(rng, struct ccp_device, hwrng); - u32 trng_value; - int len = min_t(int, sizeof(trng_value), max); - - /* - * Locking is provided by the caller so we can update device - * hwrng-related fields safely - */ - trng_value = ioread32(ccp->io_regs + TRNG_OUT_REG); - if (!trng_value) { - /* Zero is returned if not data is available or if a - * bad-entropy error is present. Assume an error if - * we exceed TRNG_RETRIES reads of zero. - */ - if (ccp->hwrng_retries++ > TRNG_RETRIES) - return -EIO; - - return 0; - } - - /* Reset the counter and save the rng value */ - ccp->hwrng_retries = 0; - memcpy(data, &trng_value, len); - - return len; -} - /** * ccp_alloc_struct - allocate and initialize the ccp_device struct * @@ -309,253 +401,11 @@ struct ccp_device *ccp_alloc_struct(struct device *dev) ccp->ksb_count = KSB_COUNT; ccp->ksb_start = 0; - return ccp; -} - -/** - * ccp_init - initialize the CCP device - * - * @ccp: ccp_device struct - */ -int ccp_init(struct ccp_device *ccp) -{ - struct device *dev = ccp->dev; - struct ccp_cmd_queue *cmd_q; - struct dma_pool *dma_pool; - char dma_pool_name[MAX_DMAPOOL_NAME_LEN]; - unsigned int qmr, qim, i; - int ret; - - /* Find available queues */ - qim = 0; - qmr = ioread32(ccp->io_regs + Q_MASK_REG); - for (i = 0; i < MAX_HW_QUEUES; i++) { - if (!(qmr & (1 << i))) - continue; - - /* Allocate a dma pool for this queue */ - snprintf(dma_pool_name, sizeof(dma_pool_name), "ccp_q%d", i); - dma_pool = dma_pool_create(dma_pool_name, dev, - CCP_DMAPOOL_MAX_SIZE, - CCP_DMAPOOL_ALIGN, 0); - if (!dma_pool) { - dev_err(dev, "unable to allocate dma pool\n"); - ret = -ENOMEM; - goto e_pool; - } - - cmd_q = &ccp->cmd_q[ccp->cmd_q_count]; - ccp->cmd_q_count++; - - cmd_q->ccp = ccp; - cmd_q->id = i; - cmd_q->dma_pool = dma_pool; - - /* Reserve 2 KSB regions for the queue */ - cmd_q->ksb_key = KSB_START + ccp->ksb_start++; - cmd_q->ksb_ctx = KSB_START + ccp->ksb_start++; - ccp->ksb_count -= 2; - - /* Preset some register values and masks that are queue - * number dependent - */ - cmd_q->reg_status = ccp->io_regs + CMD_Q_STATUS_BASE + - (CMD_Q_STATUS_INCR * i); - cmd_q->reg_int_status = ccp->io_regs + CMD_Q_INT_STATUS_BASE + - (CMD_Q_STATUS_INCR * i); - cmd_q->int_ok = 1 << (i * 2); - cmd_q->int_err = 1 << ((i * 2) + 1); - - cmd_q->free_slots = CMD_Q_DEPTH(ioread32(cmd_q->reg_status)); - - init_waitqueue_head(&cmd_q->int_queue); - - /* Build queue interrupt mask (two interrupts per queue) */ - qim |= cmd_q->int_ok | cmd_q->int_err; + ccp->ord = ccp_increment_unit_ordinal(); + snprintf(ccp->name, MAX_CCP_NAME_LEN, "ccp-%u", ccp->ord); + snprintf(ccp->rngname, MAX_CCP_NAME_LEN, "ccp-%u-rng", ccp->ord); -#ifdef CONFIG_ARM64 - /* For arm64 set the recommended queue cache settings */ - iowrite32(ccp->axcache, ccp->io_regs + CMD_Q_CACHE_BASE + - (CMD_Q_CACHE_INC * i)); -#endif - - dev_dbg(dev, "queue #%u available\n", i); - } - if (ccp->cmd_q_count == 0) { - dev_notice(dev, "no command queues available\n"); - ret = -EIO; - goto e_pool; - } - dev_notice(dev, "%u command queues available\n", ccp->cmd_q_count); - - /* Disable and clear interrupts until ready */ - iowrite32(0x00, ccp->io_regs + IRQ_MASK_REG); - for (i = 0; i < ccp->cmd_q_count; i++) { - cmd_q = &ccp->cmd_q[i]; - - ioread32(cmd_q->reg_int_status); - ioread32(cmd_q->reg_status); - } - iowrite32(qim, ccp->io_regs + IRQ_STATUS_REG); - - /* Request an irq */ - ret = ccp->get_irq(ccp); - if (ret) { - dev_err(dev, "unable to allocate an IRQ\n"); - goto e_pool; - } - - /* Initialize the queues used to wait for KSB space and suspend */ - init_waitqueue_head(&ccp->ksb_queue); - init_waitqueue_head(&ccp->suspend_queue); - - /* Create a kthread for each queue */ - for (i = 0; i < ccp->cmd_q_count; i++) { - struct task_struct *kthread; - - cmd_q = &ccp->cmd_q[i]; - - kthread = kthread_create(ccp_cmd_queue_thread, cmd_q, - "ccp-q%u", cmd_q->id); - if (IS_ERR(kthread)) { - dev_err(dev, "error creating queue thread (%ld)\n", - PTR_ERR(kthread)); - ret = PTR_ERR(kthread); - goto e_kthread; - } - - cmd_q->kthread = kthread; - wake_up_process(kthread); - } - - /* Register the RNG */ - ccp->hwrng.name = "ccp-rng"; - ccp->hwrng.read = ccp_trng_read; - ret = hwrng_register(&ccp->hwrng); - if (ret) { - dev_err(dev, "error registering hwrng (%d)\n", ret); - goto e_kthread; - } - - /* Make the device struct available before enabling interrupts */ - ccp_add_device(ccp); - - /* Enable interrupts */ - iowrite32(qim, ccp->io_regs + IRQ_MASK_REG); - - return 0; - -e_kthread: - for (i = 0; i < ccp->cmd_q_count; i++) - if (ccp->cmd_q[i].kthread) - kthread_stop(ccp->cmd_q[i].kthread); - - ccp->free_irq(ccp); - -e_pool: - for (i = 0; i < ccp->cmd_q_count; i++) - dma_pool_destroy(ccp->cmd_q[i].dma_pool); - - return ret; -} - -/** - * ccp_destroy - tear down the CCP device - * - * @ccp: ccp_device struct - */ -void ccp_destroy(struct ccp_device *ccp) -{ - struct ccp_cmd_queue *cmd_q; - struct ccp_cmd *cmd; - unsigned int qim, i; - - /* Remove general access to the device struct */ - ccp_del_device(ccp); - - /* Unregister the RNG */ - hwrng_unregister(&ccp->hwrng); - - /* Stop the queue kthreads */ - for (i = 0; i < ccp->cmd_q_count; i++) - if (ccp->cmd_q[i].kthread) - kthread_stop(ccp->cmd_q[i].kthread); - - /* Build queue interrupt mask (two interrupt masks per queue) */ - qim = 0; - for (i = 0; i < ccp->cmd_q_count; i++) { - cmd_q = &ccp->cmd_q[i]; - qim |= cmd_q->int_ok | cmd_q->int_err; - } - - /* Disable and clear interrupts */ - iowrite32(0x00, ccp->io_regs + IRQ_MASK_REG); - for (i = 0; i < ccp->cmd_q_count; i++) { - cmd_q = &ccp->cmd_q[i]; - - ioread32(cmd_q->reg_int_status); - ioread32(cmd_q->reg_status); - } - iowrite32(qim, ccp->io_regs + IRQ_STATUS_REG); - - ccp->free_irq(ccp); - - for (i = 0; i < ccp->cmd_q_count; i++) - dma_pool_destroy(ccp->cmd_q[i].dma_pool); - - /* Flush the cmd and backlog queue */ - while (!list_empty(&ccp->cmd)) { - /* Invoke the callback directly with an error code */ - cmd = list_first_entry(&ccp->cmd, struct ccp_cmd, entry); - list_del(&cmd->entry); - cmd->callback(cmd->data, -ENODEV); - } - while (!list_empty(&ccp->backlog)) { - /* Invoke the callback directly with an error code */ - cmd = list_first_entry(&ccp->backlog, struct ccp_cmd, entry); - list_del(&cmd->entry); - cmd->callback(cmd->data, -ENODEV); - } -} - -/** - * ccp_irq_handler - handle interrupts generated by the CCP device - * - * @irq: the irq associated with the interrupt - * @data: the data value supplied when the irq was created - */ -irqreturn_t ccp_irq_handler(int irq, void *data) -{ - struct device *dev = data; - struct ccp_device *ccp = dev_get_drvdata(dev); - struct ccp_cmd_queue *cmd_q; - u32 q_int, status; - unsigned int i; - - status = ioread32(ccp->io_regs + IRQ_STATUS_REG); - - for (i = 0; i < ccp->cmd_q_count; i++) { - cmd_q = &ccp->cmd_q[i]; - - q_int = status & (cmd_q->int_ok | cmd_q->int_err); - if (q_int) { - cmd_q->int_status = status; - cmd_q->q_status = ioread32(cmd_q->reg_status); - cmd_q->q_int_status = ioread32(cmd_q->reg_int_status); - - /* On error, only save the first error value */ - if ((q_int & cmd_q->int_err) && !cmd_q->cmd_error) - cmd_q->cmd_error = CMD_Q_ERROR(cmd_q->q_status); - - cmd_q->int_rcvd = 1; - - /* Acknowledge the interrupt and wake the kthread */ - iowrite32(q_int, ccp->io_regs + IRQ_STATUS_REG); - wake_up_interruptible(&cmd_q->int_queue); - } - } - - return IRQ_HANDLED; + return ccp; } #ifdef CONFIG_PM @@ -577,41 +427,22 @@ bool ccp_queues_suspended(struct ccp_device *ccp) } #endif -#ifdef CONFIG_X86 -static const struct x86_cpu_id ccp_support[] = { - { X86_VENDOR_AMD, 22, }, - { }, -}; -#endif - static int __init ccp_mod_init(void) { #ifdef CONFIG_X86 - struct cpuinfo_x86 *cpuinfo = &boot_cpu_data; int ret; - if (!x86_match_cpu(ccp_support)) - return -ENODEV; - - switch (cpuinfo->x86) { - case 22: - if ((cpuinfo->x86_model < 48) || (cpuinfo->x86_model > 63)) - return -ENODEV; - - ret = ccp_pci_init(); - if (ret) - return ret; - - /* Don't leave the driver loaded if init failed */ - if (!ccp_get_device()) { - ccp_pci_exit(); - return -ENODEV; - } - - return 0; + ret = ccp_pci_init(); + if (ret) + return ret; - break; + /* Don't leave the driver loaded if init failed */ + if (ccp_present() != 0) { + ccp_pci_exit(); + return -ENODEV; } + + return 0; #endif #ifdef CONFIG_ARM64 @@ -622,7 +453,7 @@ static int __init ccp_mod_init(void) return ret; /* Don't leave the driver loaded if init failed */ - if (!ccp_get_device()) { + if (ccp_present() != 0) { ccp_platform_exit(); return -ENODEV; } @@ -636,13 +467,7 @@ static int __init ccp_mod_init(void) static void __exit ccp_mod_exit(void) { #ifdef CONFIG_X86 - struct cpuinfo_x86 *cpuinfo = &boot_cpu_data; - - switch (cpuinfo->x86) { - case 22: - ccp_pci_exit(); - break; - } + ccp_pci_exit(); #endif #ifdef CONFIG_ARM64 diff --git a/drivers/crypto/ccp/ccp-dev.h b/drivers/crypto/ccp/ccp-dev.h index 6ff8903..7745d0b 100644 --- a/drivers/crypto/ccp/ccp-dev.h +++ b/drivers/crypto/ccp/ccp-dev.h @@ -1,7 +1,7 @@ /* * AMD Cryptographic Coprocessor (CCP) driver * - * Copyright (C) 2013 Advanced Micro Devices, Inc. + * Copyright (C) 2013,2016 Advanced Micro Devices, Inc. * * Author: Tom Lendacky <thomas.lendacky@amd.com> * @@ -23,6 +23,7 @@ #include <linux/hw_random.h> #include <linux/bitops.h> +#define MAX_CCP_NAME_LEN 16 #define MAX_DMAPOOL_NAME_LEN 32 #define MAX_HW_QUEUES 5 @@ -140,6 +141,29 @@ #define CCP_ECC_RESULT_OFFSET 60 #define CCP_ECC_RESULT_SUCCESS 0x0001 +struct ccp_op; + +/* Structure for computation functions that are device-specific */ +struct ccp_actions { + int (*perform_aes)(struct ccp_op *); + int (*perform_xts_aes)(struct ccp_op *); + int (*perform_sha)(struct ccp_op *); + int (*perform_rsa)(struct ccp_op *); + int (*perform_passthru)(struct ccp_op *); + int (*perform_ecc)(struct ccp_op *); + int (*init)(struct ccp_device *); + void (*destroy)(struct ccp_device *); + irqreturn_t (*irqhandler)(int, void *); +}; + +/* Structure to hold CCP version-specific values */ +struct ccp_vdata { + unsigned int version; + struct ccp_actions *perform; +}; + +extern struct ccp_vdata ccpv3; + struct ccp_device; struct ccp_cmd; @@ -184,6 +208,13 @@ struct ccp_cmd_queue { } ____cacheline_aligned; struct ccp_device { + struct list_head entry; + + struct ccp_vdata *vdata; + unsigned int ord; + char name[MAX_CCP_NAME_LEN]; + char rngname[MAX_CCP_NAME_LEN]; + struct device *dev; /* @@ -258,18 +289,132 @@ struct ccp_device { unsigned int axcache; }; +enum ccp_memtype { + CCP_MEMTYPE_SYSTEM = 0, + CCP_MEMTYPE_KSB, + CCP_MEMTYPE_LOCAL, + CCP_MEMTYPE__LAST, +}; + +struct ccp_dma_info { + dma_addr_t address; + unsigned int offset; + unsigned int length; + enum dma_data_direction dir; +}; + +struct ccp_dm_workarea { + struct device *dev; + struct dma_pool *dma_pool; + unsigned int length; + + u8 *address; + struct ccp_dma_info dma; +}; + +struct ccp_sg_workarea { + struct scatterlist *sg; + int nents; + + struct scatterlist *dma_sg; + struct device *dma_dev; + unsigned int dma_count; + enum dma_data_direction dma_dir; + + unsigned int sg_used; + + u64 bytes_left; +}; + +struct ccp_data { + struct ccp_sg_workarea sg_wa; + struct ccp_dm_workarea dm_wa; +}; + +struct ccp_mem { + enum ccp_memtype type; + union { + struct ccp_dma_info dma; + u32 ksb; + } u; +}; + +struct ccp_aes_op { + enum ccp_aes_type type; + enum ccp_aes_mode mode; + enum ccp_aes_action action; +}; + +struct ccp_xts_aes_op { + enum ccp_aes_action action; + enum ccp_xts_aes_unit_size unit_size; +}; + +struct ccp_sha_op { + enum ccp_sha_type type; + u64 msg_bits; +}; + +struct ccp_rsa_op { + u32 mod_size; + u32 input_len; +}; + +struct ccp_passthru_op { + enum ccp_passthru_bitwise bit_mod; + enum ccp_passthru_byteswap byte_swap; +}; + +struct ccp_ecc_op { + enum ccp_ecc_function function; +}; + +struct ccp_op { + struct ccp_cmd_queue *cmd_q; + + u32 jobid; + u32 ioc; + u32 soc; + u32 ksb_key; + u32 ksb_ctx; + u32 init; + u32 eom; + + struct ccp_mem src; + struct ccp_mem dst; + + union { + struct ccp_aes_op aes; + struct ccp_xts_aes_op xts; + struct ccp_sha_op sha; + struct ccp_rsa_op rsa; + struct ccp_passthru_op passthru; + struct ccp_ecc_op ecc; + } u; +}; + +static inline u32 ccp_addr_lo(struct ccp_dma_info *info) +{ + return lower_32_bits(info->address + info->offset); +} + +static inline u32 ccp_addr_hi(struct ccp_dma_info *info) +{ + return upper_32_bits(info->address + info->offset) & 0x0000ffff; +} + int ccp_pci_init(void); void ccp_pci_exit(void); int ccp_platform_init(void); void ccp_platform_exit(void); +void ccp_add_device(struct ccp_device *ccp); +void ccp_del_device(struct ccp_device *ccp); + struct ccp_device *ccp_alloc_struct(struct device *dev); -int ccp_init(struct ccp_device *ccp); -void ccp_destroy(struct ccp_device *ccp); bool ccp_queues_suspended(struct ccp_device *ccp); - -irqreturn_t ccp_irq_handler(int irq, void *data); +int ccp_cmd_queue_thread(void *data); int ccp_run_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd); diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c index 6613aee..eefdf59 100644 --- a/drivers/crypto/ccp/ccp-ops.c +++ b/drivers/crypto/ccp/ccp-ops.c @@ -1,7 +1,7 @@ /* * AMD Cryptographic Coprocessor (CCP) driver * - * Copyright (C) 2013 Advanced Micro Devices, Inc. + * Copyright (C) 2013,2016 Advanced Micro Devices, Inc. * * Author: Tom Lendacky <thomas.lendacky@amd.com> * @@ -13,124 +13,12 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/pci.h> -#include <linux/pci_ids.h> -#include <linux/kthread.h> -#include <linux/sched.h> #include <linux/interrupt.h> -#include <linux/spinlock.h> -#include <linux/mutex.h> -#include <linux/delay.h> -#include <linux/ccp.h> -#include <linux/scatterlist.h> #include <crypto/scatterwalk.h> -#include <crypto/sha.h> +#include <linux/ccp.h> #include "ccp-dev.h" -enum ccp_memtype { - CCP_MEMTYPE_SYSTEM = 0, - CCP_MEMTYPE_KSB, - CCP_MEMTYPE_LOCAL, - CCP_MEMTYPE__LAST, -}; - -struct ccp_dma_info { - dma_addr_t address; - unsigned int offset; - unsigned int length; - enum dma_data_direction dir; -}; - -struct ccp_dm_workarea { - struct device *dev; - struct dma_pool *dma_pool; - unsigned int length; - - u8 *address; - struct ccp_dma_info dma; -}; - -struct ccp_sg_workarea { - struct scatterlist *sg; - int nents; - - struct scatterlist *dma_sg; - struct device *dma_dev; - unsigned int dma_count; - enum dma_data_direction dma_dir; - - unsigned int sg_used; - - u64 bytes_left; -}; - -struct ccp_data { - struct ccp_sg_workarea sg_wa; - struct ccp_dm_workarea dm_wa; -}; - -struct ccp_mem { - enum ccp_memtype type; - union { - struct ccp_dma_info dma; - u32 ksb; - } u; -}; - -struct ccp_aes_op { - enum ccp_aes_type type; - enum ccp_aes_mode mode; - enum ccp_aes_action action; -}; - -struct ccp_xts_aes_op { - enum ccp_aes_action action; - enum ccp_xts_aes_unit_size unit_size; -}; - -struct ccp_sha_op { - enum ccp_sha_type type; - u64 msg_bits; -}; - -struct ccp_rsa_op { - u32 mod_size; - u32 input_len; -}; - -struct ccp_passthru_op { - enum ccp_passthru_bitwise bit_mod; - enum ccp_passthru_byteswap byte_swap; -}; - -struct ccp_ecc_op { - enum ccp_ecc_function function; -}; - -struct ccp_op { - struct ccp_cmd_queue *cmd_q; - - u32 jobid; - u32 ioc; - u32 soc; - u32 ksb_key; - u32 ksb_ctx; - u32 init; - u32 eom; - - struct ccp_mem src; - struct ccp_mem dst; - - union { - struct ccp_aes_op aes; - struct ccp_xts_aes_op xts; - struct ccp_sha_op sha; - struct ccp_rsa_op rsa; - struct ccp_passthru_op passthru; - struct ccp_ecc_op ecc; - } u; -}; - /* SHA initial context values */ static const __be32 ccp_sha1_init[CCP_SHA_CTXSIZE / sizeof(__be32)] = { cpu_to_be32(SHA1_H0), cpu_to_be32(SHA1_H1), @@ -152,253 +40,6 @@ static const __be32 ccp_sha256_init[CCP_SHA_CTXSIZE / sizeof(__be32)] = { cpu_to_be32(SHA256_H6), cpu_to_be32(SHA256_H7), }; -static u32 ccp_addr_lo(struct ccp_dma_info *info) -{ - return lower_32_bits(info->address + info->offset); -} - -static u32 ccp_addr_hi(struct ccp_dma_info *info) -{ - return upper_32_bits(info->address + info->offset) & 0x0000ffff; -} - -static int ccp_do_cmd(struct ccp_op *op, u32 *cr, unsigned int cr_count) -{ - struct ccp_cmd_queue *cmd_q = op->cmd_q; - struct ccp_device *ccp = cmd_q->ccp; - void __iomem *cr_addr; - u32 cr0, cmd; - unsigned int i; - int ret = 0; - - /* We could read a status register to see how many free slots - * are actually available, but reading that register resets it - * and you could lose some error information. - */ - cmd_q->free_slots--; - - cr0 = (cmd_q->id << REQ0_CMD_Q_SHIFT) - | (op->jobid << REQ0_JOBID_SHIFT) - | REQ0_WAIT_FOR_WRITE; - - if (op->soc) - cr0 |= REQ0_STOP_ON_COMPLETE - | REQ0_INT_ON_COMPLETE; - - if (op->ioc || !cmd_q->free_slots) - cr0 |= REQ0_INT_ON_COMPLETE; - - /* Start at CMD_REQ1 */ - cr_addr = ccp->io_regs + CMD_REQ0 + CMD_REQ_INCR; - - mutex_lock(&ccp->req_mutex); - - /* Write CMD_REQ1 through CMD_REQx first */ - for (i = 0; i < cr_count; i++, cr_addr += CMD_REQ_INCR) - iowrite32(*(cr + i), cr_addr); - - /* Tell the CCP to start */ - wmb(); - iowrite32(cr0, ccp->io_regs + CMD_REQ0); - - mutex_unlock(&ccp->req_mutex); - - if (cr0 & REQ0_INT_ON_COMPLETE) { - /* Wait for the job to complete */ - ret = wait_event_interruptible(cmd_q->int_queue, - cmd_q->int_rcvd); - if (ret || cmd_q->cmd_error) { - /* On error delete all related jobs from the queue */ - cmd = (cmd_q->id << DEL_Q_ID_SHIFT) - | op->jobid; - - iowrite32(cmd, ccp->io_regs + DEL_CMD_Q_JOB); - - if (!ret) - ret = -EIO; - } else if (op->soc) { - /* Delete just head job from the queue on SoC */ - cmd = DEL_Q_ACTIVE - | (cmd_q->id << DEL_Q_ID_SHIFT) - | op->jobid; - - iowrite32(cmd, ccp->io_regs + DEL_CMD_Q_JOB); - } - - cmd_q->free_slots = CMD_Q_DEPTH(cmd_q->q_status); - - cmd_q->int_rcvd = 0; - } - - return ret; -} - -static int ccp_perform_aes(struct ccp_op *op) -{ - u32 cr[6]; - - /* Fill out the register contents for REQ1 through REQ6 */ - cr[0] = (CCP_ENGINE_AES << REQ1_ENGINE_SHIFT) - | (op->u.aes.type << REQ1_AES_TYPE_SHIFT) - | (op->u.aes.mode << REQ1_AES_MODE_SHIFT) - | (op->u.aes.action << REQ1_AES_ACTION_SHIFT) - | (op->ksb_key << REQ1_KEY_KSB_SHIFT); - cr[1] = op->src.u.dma.length - 1; - cr[2] = ccp_addr_lo(&op->src.u.dma); - cr[3] = (op->ksb_ctx << REQ4_KSB_SHIFT) - | (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) - | ccp_addr_hi(&op->src.u.dma); - cr[4] = ccp_addr_lo(&op->dst.u.dma); - cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT) - | ccp_addr_hi(&op->dst.u.dma); - - if (op->u.aes.mode == CCP_AES_MODE_CFB) - cr[0] |= ((0x7f) << REQ1_AES_CFB_SIZE_SHIFT); - - if (op->eom) - cr[0] |= REQ1_EOM; - - if (op->init) - cr[0] |= REQ1_INIT; - - return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); -} - -static int ccp_perform_xts_aes(struct ccp_op *op) -{ - u32 cr[6]; - - /* Fill out the register contents for REQ1 through REQ6 */ - cr[0] = (CCP_ENGINE_XTS_AES_128 << REQ1_ENGINE_SHIFT) - | (op->u.xts.action << REQ1_AES_ACTION_SHIFT) - | (op->u.xts.unit_size << REQ1_XTS_AES_SIZE_SHIFT) - | (op->ksb_key << REQ1_KEY_KSB_SHIFT); - cr[1] = op->src.u.dma.length - 1; - cr[2] = ccp_addr_lo(&op->src.u.dma); - cr[3] = (op->ksb_ctx << REQ4_KSB_SHIFT) - | (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) - | ccp_addr_hi(&op->src.u.dma); - cr[4] = ccp_addr_lo(&op->dst.u.dma); - cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT) - | ccp_addr_hi(&op->dst.u.dma); - - if (op->eom) - cr[0] |= REQ1_EOM; - - if (op->init) - cr[0] |= REQ1_INIT; - - return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); -} - -static int ccp_perform_sha(struct ccp_op *op) -{ - u32 cr[6]; - - /* Fill out the register contents for REQ1 through REQ6 */ - cr[0] = (CCP_ENGINE_SHA << REQ1_ENGINE_SHIFT) - | (op->u.sha.type << REQ1_SHA_TYPE_SHIFT) - | REQ1_INIT; - cr[1] = op->src.u.dma.length - 1; - cr[2] = ccp_addr_lo(&op->src.u.dma); - cr[3] = (op->ksb_ctx << REQ4_KSB_SHIFT) - | (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) - | ccp_addr_hi(&op->src.u.dma); - - if (op->eom) { - cr[0] |= REQ1_EOM; - cr[4] = lower_32_bits(op->u.sha.msg_bits); - cr[5] = upper_32_bits(op->u.sha.msg_bits); - } else { - cr[4] = 0; - cr[5] = 0; - } - - return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); -} - -static int ccp_perform_rsa(struct ccp_op *op) -{ - u32 cr[6]; - - /* Fill out the register contents for REQ1 through REQ6 */ - cr[0] = (CCP_ENGINE_RSA << REQ1_ENGINE_SHIFT) - | (op->u.rsa.mod_size << REQ1_RSA_MOD_SIZE_SHIFT) - | (op->ksb_key << REQ1_KEY_KSB_SHIFT) - | REQ1_EOM; - cr[1] = op->u.rsa.input_len - 1; - cr[2] = ccp_addr_lo(&op->src.u.dma); - cr[3] = (op->ksb_ctx << REQ4_KSB_SHIFT) - | (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) - | ccp_addr_hi(&op->src.u.dma); - cr[4] = ccp_addr_lo(&op->dst.u.dma); - cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT) - | ccp_addr_hi(&op->dst.u.dma); - - return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); -} - -static int ccp_perform_passthru(struct ccp_op *op) -{ - u32 cr[6]; - - /* Fill out the register contents for REQ1 through REQ6 */ - cr[0] = (CCP_ENGINE_PASSTHRU << REQ1_ENGINE_SHIFT) - | (op->u.passthru.bit_mod << REQ1_PT_BW_SHIFT) - | (op->u.passthru.byte_swap << REQ1_PT_BS_SHIFT); - - if (op->src.type == CCP_MEMTYPE_SYSTEM) - cr[1] = op->src.u.dma.length - 1; - else - cr[1] = op->dst.u.dma.length - 1; - - if (op->src.type == CCP_MEMTYPE_SYSTEM) { - cr[2] = ccp_addr_lo(&op->src.u.dma); - cr[3] = (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) - | ccp_addr_hi(&op->src.u.dma); - - if (op->u.passthru.bit_mod != CCP_PASSTHRU_BITWISE_NOOP) - cr[3] |= (op->ksb_key << REQ4_KSB_SHIFT); - } else { - cr[2] = op->src.u.ksb * CCP_KSB_BYTES; - cr[3] = (CCP_MEMTYPE_KSB << REQ4_MEMTYPE_SHIFT); - } - - if (op->dst.type == CCP_MEMTYPE_SYSTEM) { - cr[4] = ccp_addr_lo(&op->dst.u.dma); - cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT) - | ccp_addr_hi(&op->dst.u.dma); - } else { - cr[4] = op->dst.u.ksb * CCP_KSB_BYTES; - cr[5] = (CCP_MEMTYPE_KSB << REQ6_MEMTYPE_SHIFT); - } - - if (op->eom) - cr[0] |= REQ1_EOM; - - return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); -} - -static int ccp_perform_ecc(struct ccp_op *op) -{ - u32 cr[6]; - - /* Fill out the register contents for REQ1 through REQ6 */ - cr[0] = REQ1_ECC_AFFINE_CONVERT - | (CCP_ENGINE_ECC << REQ1_ENGINE_SHIFT) - | (op->u.ecc.function << REQ1_ECC_FUNCTION_SHIFT) - | REQ1_EOM; - cr[1] = op->src.u.dma.length - 1; - cr[2] = ccp_addr_lo(&op->src.u.dma); - cr[3] = (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT) - | ccp_addr_hi(&op->src.u.dma); - cr[4] = ccp_addr_lo(&op->dst.u.dma); - cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT) - | ccp_addr_hi(&op->dst.u.dma); - - return ccp_do_cmd(op, cr, ARRAY_SIZE(cr)); -} - static u32 ccp_alloc_ksb(struct ccp_device *ccp, unsigned int count) { int start; @@ -837,7 +478,7 @@ static int ccp_copy_to_from_ksb(struct ccp_cmd_queue *cmd_q, op.u.passthru.byte_swap = byte_swap; - return ccp_perform_passthru(&op); + return cmd_q->ccp->vdata->perform->perform_passthru(&op); } static int ccp_copy_to_ksb(struct ccp_cmd_queue *cmd_q, @@ -969,7 +610,7 @@ static int ccp_run_aes_cmac_cmd(struct ccp_cmd_queue *cmd_q, } } - ret = ccp_perform_aes(&op); + ret = cmd_q->ccp->vdata->perform->perform_aes(&op); if (ret) { cmd->engine_error = cmd_q->cmd_error; goto e_src; @@ -1131,7 +772,7 @@ static int ccp_run_aes_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) op.soc = 1; } - ret = ccp_perform_aes(&op); + ret = cmd_q->ccp->vdata->perform->perform_aes(&op); if (ret) { cmd->engine_error = cmd_q->cmd_error; goto e_dst; @@ -1296,7 +937,7 @@ static int ccp_run_xts_aes_cmd(struct ccp_cmd_queue *cmd_q, if (!src.sg_wa.bytes_left) op.eom = 1; - ret = ccp_perform_xts_aes(&op); + ret = cmd_q->ccp->vdata->perform->perform_xts_aes(&op); if (ret) { cmd->engine_error = cmd_q->cmd_error; goto e_dst; @@ -1453,7 +1094,7 @@ static int ccp_run_sha_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) if (sha->final && !src.sg_wa.bytes_left) op.eom = 1; - ret = ccp_perform_sha(&op); + ret = cmd_q->ccp->vdata->perform->perform_sha(&op); if (ret) { cmd->engine_error = cmd_q->cmd_error; goto e_data; @@ -1633,7 +1274,7 @@ static int ccp_run_rsa_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) op.u.rsa.mod_size = rsa->key_size; op.u.rsa.input_len = i_len; - ret = ccp_perform_rsa(&op); + ret = cmd_q->ccp->vdata->perform->perform_rsa(&op); if (ret) { cmd->engine_error = cmd_q->cmd_error; goto e_dst; @@ -1758,7 +1399,7 @@ static int ccp_run_passthru_cmd(struct ccp_cmd_queue *cmd_q, op.dst.u.dma.offset = dst.sg_wa.sg_used; op.dst.u.dma.length = op.src.u.dma.length; - ret = ccp_perform_passthru(&op); + ret = cmd_q->ccp->vdata->perform->perform_passthru(&op); if (ret) { cmd->engine_error = cmd_q->cmd_error; goto e_dst; @@ -1870,7 +1511,7 @@ static int ccp_run_ecc_mm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) op.u.ecc.function = cmd->u.ecc.function; - ret = ccp_perform_ecc(&op); + ret = cmd_q->ccp->vdata->perform->perform_ecc(&op); if (ret) { cmd->engine_error = cmd_q->cmd_error; goto e_dst; @@ -2034,7 +1675,7 @@ static int ccp_run_ecc_pm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) op.u.ecc.function = cmd->u.ecc.function; - ret = ccp_perform_ecc(&op); + ret = cmd_q->ccp->vdata->perform->perform_ecc(&op); if (ret) { cmd->engine_error = cmd_q->cmd_error; goto e_dst; diff --git a/drivers/crypto/ccp/ccp-pci.c b/drivers/crypto/ccp/ccp-pci.c index 7690467..0bf262e 100644 --- a/drivers/crypto/ccp/ccp-pci.c +++ b/drivers/crypto/ccp/ccp-pci.c @@ -1,7 +1,7 @@ /* * AMD Cryptographic Coprocessor (CCP) driver * - * Copyright (C) 2013 Advanced Micro Devices, Inc. + * Copyright (C) 2013,2016 Advanced Micro Devices, Inc. * * Author: Tom Lendacky <thomas.lendacky@amd.com> * @@ -59,9 +59,11 @@ static int ccp_get_msix_irqs(struct ccp_device *ccp) ccp_pci->msix_count = ret; for (v = 0; v < ccp_pci->msix_count; v++) { /* Set the interrupt names and request the irqs */ - snprintf(ccp_pci->msix[v].name, name_len, "ccp-%u", v); + snprintf(ccp_pci->msix[v].name, name_len, "%s-%u", + ccp->name, v); ccp_pci->msix[v].vector = msix_entry[v].vector; - ret = request_irq(ccp_pci->msix[v].vector, ccp_irq_handler, + ret = request_irq(ccp_pci->msix[v].vector, + ccp->vdata->perform->irqhandler, 0, ccp_pci->msix[v].name, dev); if (ret) { dev_notice(dev, "unable to allocate MSI-X IRQ (%d)\n", @@ -94,7 +96,8 @@ static int ccp_get_msi_irq(struct ccp_device *ccp) return ret; ccp->irq = pdev->irq; - ret = request_irq(ccp->irq, ccp_irq_handler, 0, "ccp", dev); + ret = request_irq(ccp->irq, ccp->vdata->perform->irqhandler, 0, + ccp->name, dev); if (ret) { dev_notice(dev, "unable to allocate MSI IRQ (%d)\n", ret); goto e_msi; @@ -179,6 +182,12 @@ static int ccp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto e_err; ccp->dev_specific = ccp_pci; + ccp->vdata = (struct ccp_vdata *)id->driver_data; + if (!ccp->vdata || !ccp->vdata->version) { + ret = -ENODEV; + dev_err(dev, "missing driver data\n"); + goto e_err; + } ccp->get_irq = ccp_get_irqs; ccp->free_irq = ccp_free_irqs; @@ -221,7 +230,7 @@ static int ccp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) dev_set_drvdata(dev, ccp); - ret = ccp_init(ccp); + ret = ccp->vdata->perform->init(ccp); if (ret) goto e_iomap; @@ -251,7 +260,7 @@ static void ccp_pci_remove(struct pci_dev *pdev) if (!ccp) return; - ccp_destroy(ccp); + ccp->vdata->perform->destroy(ccp); pci_iounmap(pdev, ccp->io_map); @@ -312,7 +321,7 @@ static int ccp_pci_resume(struct pci_dev *pdev) #endif static const struct pci_device_id ccp_pci_table[] = { - { PCI_VDEVICE(AMD, 0x1537), }, + { PCI_VDEVICE(AMD, 0x1537), (kernel_ulong_t)&ccpv3 }, /* Last entry must be zero */ { 0, } }; diff --git a/drivers/crypto/ccp/ccp-platform.c b/drivers/crypto/ccp/ccp-platform.c index 66dd7c9..351f28d8 100644 --- a/drivers/crypto/ccp/ccp-platform.c +++ b/drivers/crypto/ccp/ccp-platform.c @@ -1,7 +1,7 @@ /* * AMD Cryptographic Coprocessor (CCP) driver * - * Copyright (C) 2014 Advanced Micro Devices, Inc. + * Copyright (C) 2014,2016 Advanced Micro Devices, Inc. * * Author: Tom Lendacky <thomas.lendacky@amd.com> * @@ -32,6 +32,33 @@ struct ccp_platform { int coherent; }; +static const struct acpi_device_id ccp_acpi_match[]; +static const struct of_device_id ccp_of_match[]; + +static struct ccp_vdata *ccp_get_of_version(struct platform_device *pdev) +{ +#ifdef CONFIG_OF + const struct of_device_id *match; + + match = of_match_node(ccp_of_match, pdev->dev.of_node); + if (match && match->data) + return (struct ccp_vdata *)match->data; +#endif + return 0; +} + +static struct ccp_vdata *ccp_get_acpi_version(struct platform_device *pdev) +{ +#ifdef CONFIG_ACPI + const struct acpi_device_id *match; + + match = acpi_match_device(ccp_acpi_match, &pdev->dev); + if (match && match->driver_data) + return (struct ccp_vdata *)match->driver_data; +#endif + return 0; +} + static int ccp_get_irq(struct ccp_device *ccp) { struct device *dev = ccp->dev; @@ -43,7 +70,8 @@ static int ccp_get_irq(struct ccp_device *ccp) return ret; ccp->irq = ret; - ret = request_irq(ccp->irq, ccp_irq_handler, 0, "ccp", dev); + ret = request_irq(ccp->irq, ccp->vdata->perform->irqhandler, 0, + ccp->name, dev); if (ret) { dev_notice(dev, "unable to allocate IRQ (%d)\n", ret); return ret; @@ -106,6 +134,13 @@ static int ccp_platform_probe(struct platform_device *pdev) goto e_err; ccp->dev_specific = ccp_platform; + ccp->vdata = pdev->dev.of_node ? ccp_get_of_version(pdev) + : ccp_get_acpi_version(pdev); + if (!ccp->vdata || !ccp->vdata->version) { + ret = -ENODEV; + dev_err(dev, "missing driver data\n"); + goto e_err; + } ccp->get_irq = ccp_get_irqs; ccp->free_irq = ccp_free_irqs; @@ -137,7 +172,7 @@ static int ccp_platform_probe(struct platform_device *pdev) dev_set_drvdata(dev, ccp); - ret = ccp_init(ccp); + ret = ccp->vdata->perform->init(ccp); if (ret) goto e_err; @@ -155,7 +190,7 @@ static int ccp_platform_remove(struct platform_device *pdev) struct device *dev = &pdev->dev; struct ccp_device *ccp = dev_get_drvdata(dev); - ccp_destroy(ccp); + ccp->vdata->perform->destroy(ccp); dev_notice(dev, "disabled\n"); @@ -214,7 +249,7 @@ static int ccp_platform_resume(struct platform_device *pdev) #ifdef CONFIG_ACPI static const struct acpi_device_id ccp_acpi_match[] = { - { "AMDI0C00", 0 }, + { "AMDI0C00", (kernel_ulong_t)&ccpv3 }, { }, }; MODULE_DEVICE_TABLE(acpi, ccp_acpi_match); @@ -222,7 +257,8 @@ MODULE_DEVICE_TABLE(acpi, ccp_acpi_match); #ifdef CONFIG_OF static const struct of_device_id ccp_of_match[] = { - { .compatible = "amd,ccp-seattle-v1a" }, + { .compatible = "amd,ccp-seattle-v1a", + .data = (const void *)&ccpv3 }, { }, }; MODULE_DEVICE_TABLE(of, ccp_of_match); diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index e52496a..2296934 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -1031,6 +1031,18 @@ static int aead_perform(struct aead_request *req, int encrypt, BUG_ON(ivsize && !req->iv); memcpy(crypt->iv, req->iv, ivsize); + buf = chainup_buffers(dev, req->src, crypt->auth_len, + &src_hook, flags, src_direction); + req_ctx->src = src_hook.next; + crypt->src_buf = src_hook.phys_next; + if (!buf) + goto free_buf_src; + + lastlen = buf->buf_len; + if (lastlen >= authsize) + crypt->icv_rev_aes = buf->phys_addr + + buf->buf_len - authsize; + req_ctx->dst = NULL; if (req->src != req->dst) { @@ -1055,20 +1067,6 @@ static int aead_perform(struct aead_request *req, int encrypt, } } - buf = chainup_buffers(dev, req->src, crypt->auth_len, - &src_hook, flags, src_direction); - req_ctx->src = src_hook.next; - crypt->src_buf = src_hook.phys_next; - if (!buf) - goto free_buf_src; - - if (!encrypt || !req_ctx->dst) { - lastlen = buf->buf_len; - if (lastlen >= authsize) - crypt->icv_rev_aes = buf->phys_addr + - buf->buf_len - authsize; - } - if (unlikely(lastlen < authsize)) { /* The 12 hmac bytes are scattered, * we need to copy them into a safe buffer */ diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c index dd355bd..d420ec7 100644 --- a/drivers/crypto/omap-aes.c +++ b/drivers/crypto/omap-aes.c @@ -36,6 +36,7 @@ #include <linux/interrupt.h> #include <crypto/scatterwalk.h> #include <crypto/aes.h> +#include <crypto/algapi.h> #define DST_MAXBURST 4 #define DMA_MIN (DST_MAXBURST * sizeof(u32)) @@ -152,13 +153,10 @@ struct omap_aes_dev { unsigned long flags; int err; - spinlock_t lock; - struct crypto_queue queue; - struct tasklet_struct done_task; - struct tasklet_struct queue_task; struct ablkcipher_request *req; + struct crypto_engine *engine; /* * total is used by PIO mode for book keeping so introduce @@ -532,9 +530,7 @@ static void omap_aes_finish_req(struct omap_aes_dev *dd, int err) pr_debug("err: %d\n", err); - dd->flags &= ~FLAGS_BUSY; - - req->base.complete(&req->base, err); + crypto_finalize_request(dd->engine, req, err); } static int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd) @@ -604,34 +600,25 @@ static int omap_aes_copy_sgs(struct omap_aes_dev *dd) } static int omap_aes_handle_queue(struct omap_aes_dev *dd, - struct ablkcipher_request *req) + struct ablkcipher_request *req) { - struct crypto_async_request *async_req, *backlog; - struct omap_aes_ctx *ctx; - struct omap_aes_reqctx *rctx; - unsigned long flags; - int err, ret = 0, len; - - spin_lock_irqsave(&dd->lock, flags); if (req) - ret = ablkcipher_enqueue_request(&dd->queue, req); - if (dd->flags & FLAGS_BUSY) { - spin_unlock_irqrestore(&dd->lock, flags); - return ret; - } - backlog = crypto_get_backlog(&dd->queue); - async_req = crypto_dequeue_request(&dd->queue); - if (async_req) - dd->flags |= FLAGS_BUSY; - spin_unlock_irqrestore(&dd->lock, flags); + return crypto_transfer_request_to_engine(dd->engine, req); - if (!async_req) - return ret; + return 0; +} - if (backlog) - backlog->complete(backlog, -EINPROGRESS); +static int omap_aes_prepare_req(struct crypto_engine *engine, + struct ablkcipher_request *req) +{ + struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx( + crypto_ablkcipher_reqtfm(req)); + struct omap_aes_dev *dd = omap_aes_find_dev(ctx); + struct omap_aes_reqctx *rctx; + int len; - req = ablkcipher_request_cast(async_req); + if (!dd) + return -ENODEV; /* assign new request to device */ dd->req = req; @@ -662,16 +649,20 @@ static int omap_aes_handle_queue(struct omap_aes_dev *dd, dd->ctx = ctx; ctx->dd = dd; - err = omap_aes_write_ctrl(dd); - if (!err) - err = omap_aes_crypt_dma_start(dd); - if (err) { - /* aes_task will not finish it, so do it here */ - omap_aes_finish_req(dd, err); - tasklet_schedule(&dd->queue_task); - } + return omap_aes_write_ctrl(dd); +} - return ret; /* return ret, which is enqueue return value */ +static int omap_aes_crypt_req(struct crypto_engine *engine, + struct ablkcipher_request *req) +{ + struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx( + crypto_ablkcipher_reqtfm(req)); + struct omap_aes_dev *dd = omap_aes_find_dev(ctx); + + if (!dd) + return -ENODEV; + + return omap_aes_crypt_dma_start(dd); } static void omap_aes_done_task(unsigned long data) @@ -704,18 +695,10 @@ static void omap_aes_done_task(unsigned long data) } omap_aes_finish_req(dd, 0); - omap_aes_handle_queue(dd, NULL); pr_debug("exit\n"); } -static void omap_aes_queue_task(unsigned long data) -{ - struct omap_aes_dev *dd = (struct omap_aes_dev *)data; - - omap_aes_handle_queue(dd, NULL); -} - static int omap_aes_crypt(struct ablkcipher_request *req, unsigned long mode) { struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx( @@ -1175,9 +1158,6 @@ static int omap_aes_probe(struct platform_device *pdev) dd->dev = dev; platform_set_drvdata(pdev, dd); - spin_lock_init(&dd->lock); - crypto_init_queue(&dd->queue, OMAP_AES_QUEUE_LENGTH); - err = (dev->of_node) ? omap_aes_get_res_of(dd, dev, &res) : omap_aes_get_res_pdev(dd, pdev, &res); if (err) @@ -1209,7 +1189,6 @@ static int omap_aes_probe(struct platform_device *pdev) (reg & dd->pdata->minor_mask) >> dd->pdata->minor_shift); tasklet_init(&dd->done_task, omap_aes_done_task, (unsigned long)dd); - tasklet_init(&dd->queue_task, omap_aes_queue_task, (unsigned long)dd); err = omap_aes_dma_init(dd); if (err && AES_REG_IRQ_STATUS(dd) && AES_REG_IRQ_ENABLE(dd)) { @@ -1250,7 +1229,20 @@ static int omap_aes_probe(struct platform_device *pdev) } } + /* Initialize crypto engine */ + dd->engine = crypto_engine_alloc_init(dev, 1); + if (!dd->engine) + goto err_algs; + + dd->engine->prepare_request = omap_aes_prepare_req; + dd->engine->crypt_one_request = omap_aes_crypt_req; + err = crypto_engine_start(dd->engine); + if (err) + goto err_engine; + return 0; +err_engine: + crypto_engine_exit(dd->engine); err_algs: for (i = dd->pdata->algs_info_size - 1; i >= 0; i--) for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--) @@ -1260,7 +1252,6 @@ err_algs: omap_aes_dma_cleanup(dd); err_irq: tasklet_kill(&dd->done_task); - tasklet_kill(&dd->queue_task); pm_runtime_disable(dev); err_res: dd = NULL; @@ -1286,8 +1277,8 @@ static int omap_aes_remove(struct platform_device *pdev) crypto_unregister_alg( &dd->pdata->algs_info[i].algs_list[j]); + crypto_engine_exit(dd->engine); tasklet_kill(&dd->done_task); - tasklet_kill(&dd->queue_task); omap_aes_dma_cleanup(dd); pm_runtime_disable(dd->dev); dd = NULL; diff --git a/drivers/crypto/qat/qat_common/adf_accel_devices.h b/drivers/crypto/qat/qat_common/adf_accel_devices.h index f96d427..5a07208 100644 --- a/drivers/crypto/qat/qat_common/adf_accel_devices.h +++ b/drivers/crypto/qat/qat_common/adf_accel_devices.h @@ -55,8 +55,8 @@ #define ADF_DH895XCC_DEVICE_NAME "dh895xcc" #define ADF_DH895XCCVF_DEVICE_NAME "dh895xccvf" -#define ADF_C62X_DEVICE_NAME "c62x" -#define ADF_C62XVF_DEVICE_NAME "c62xvf" +#define ADF_C62X_DEVICE_NAME "c6xx" +#define ADF_C62XVF_DEVICE_NAME "c6xxvf" #define ADF_C3XXX_DEVICE_NAME "c3xxx" #define ADF_C3XXXVF_DEVICE_NAME "c3xxxvf" #define ADF_DH895XCC_PCI_DEVICE_ID 0x435 diff --git a/drivers/crypto/qat/qat_common/adf_aer.c b/drivers/crypto/qat/qat_common/adf_aer.c index e78a1d7..b40d9c8 100644 --- a/drivers/crypto/qat/qat_common/adf_aer.c +++ b/drivers/crypto/qat/qat_common/adf_aer.c @@ -121,7 +121,6 @@ static void adf_device_reset_worker(struct work_struct *work) adf_dev_restarting_notify(accel_dev); adf_dev_stop(accel_dev); adf_dev_shutdown(accel_dev); - adf_dev_restore(accel_dev); if (adf_dev_init(accel_dev) || adf_dev_start(accel_dev)) { /* The device hanged and we can't restart it so stop here */ dev_err(&GET_DEV(accel_dev), "Restart device failed\n"); diff --git a/drivers/crypto/qat/qat_common/adf_cfg_user.h b/drivers/crypto/qat/qat_common/adf_cfg_user.h index ef5988a..b5484bf 100644 --- a/drivers/crypto/qat/qat_common/adf_cfg_user.h +++ b/drivers/crypto/qat/qat_common/adf_cfg_user.h @@ -58,7 +58,7 @@ struct adf_user_cfg_key_val { uint64_t padding3; }; enum adf_cfg_val_type type; -}; +} __packed; struct adf_user_cfg_section { char name[ADF_CFG_MAX_SECTION_LEN_IN_BYTES]; @@ -70,7 +70,7 @@ struct adf_user_cfg_section { struct adf_user_cfg_section *next; uint64_t padding3; }; -}; +} __packed; struct adf_user_cfg_ctl_data { union { @@ -78,5 +78,5 @@ struct adf_user_cfg_ctl_data { uint64_t padding; }; uint8_t device_id; -}; +} __packed; #endif diff --git a/drivers/crypto/qat/qat_common/adf_hw_arbiter.c b/drivers/crypto/qat/qat_common/adf_hw_arbiter.c index f267d9e..d7dd18d 100644 --- a/drivers/crypto/qat/qat_common/adf_hw_arbiter.c +++ b/drivers/crypto/qat/qat_common/adf_hw_arbiter.c @@ -49,7 +49,6 @@ #include "adf_transport_internal.h" #define ADF_ARB_NUM 4 -#define ADF_ARB_REQ_RING_NUM 8 #define ADF_ARB_REG_SIZE 0x4 #define ADF_ARB_WTR_SIZE 0x20 #define ADF_ARB_OFFSET 0x30000 @@ -64,15 +63,6 @@ ADF_CSR_WR(csr_addr, ADF_ARB_RINGSRVARBEN_OFFSET + \ (ADF_ARB_REG_SLOT * index), value) -#define WRITE_CSR_ARB_RESPORDERING(csr_addr, index, value) \ - ADF_CSR_WR(csr_addr, (ADF_ARB_OFFSET + \ - ADF_ARB_RO_EN_OFFSET) + (ADF_ARB_REG_SIZE * index), value) - -#define WRITE_CSR_ARB_WEIGHT(csr_addr, arb, index, value) \ - ADF_CSR_WR(csr_addr, (ADF_ARB_OFFSET + \ - ADF_ARB_WTR_OFFSET) + (ADF_ARB_WTR_SIZE * arb) + \ - (ADF_ARB_REG_SIZE * index), value) - #define WRITE_CSR_ARB_SARCONFIG(csr_addr, index, value) \ ADF_CSR_WR(csr_addr, ADF_ARB_OFFSET + \ (ADF_ARB_REG_SIZE * index), value) @@ -99,15 +89,6 @@ int adf_init_arb(struct adf_accel_dev *accel_dev) for (arb = 0; arb < ADF_ARB_NUM; arb++) WRITE_CSR_ARB_SARCONFIG(csr, arb, arb_cfg); - /* Setup service weighting */ - for (arb = 0; arb < ADF_ARB_NUM; arb++) - for (i = 0; i < ADF_ARB_REQ_RING_NUM; i++) - WRITE_CSR_ARB_WEIGHT(csr, arb, i, 0xFFFFFFFF); - - /* Setup ring response ordering */ - for (i = 0; i < ADF_ARB_REQ_RING_NUM; i++) - WRITE_CSR_ARB_RESPORDERING(csr, i, 0xFFFFFFFF); - /* Setup worker queue registers */ for (i = 0; i < hw_data->num_engines; i++) WRITE_CSR_ARB_WQCFG(csr, i, i); diff --git a/drivers/crypto/qat/qat_common/icp_qat_uclo.h b/drivers/crypto/qat/qat_common/icp_qat_uclo.h index d97db99..5d1ee7e 100644 --- a/drivers/crypto/qat/qat_common/icp_qat_uclo.h +++ b/drivers/crypto/qat/qat_common/icp_qat_uclo.h @@ -112,27 +112,27 @@ enum icp_qat_uof_mem_region { }; enum icp_qat_uof_regtype { - ICP_NO_DEST, - ICP_GPA_REL, - ICP_GPA_ABS, - ICP_GPB_REL, - ICP_GPB_ABS, - ICP_SR_REL, - ICP_SR_RD_REL, - ICP_SR_WR_REL, - ICP_SR_ABS, - ICP_SR_RD_ABS, - ICP_SR_WR_ABS, - ICP_DR_REL, - ICP_DR_RD_REL, - ICP_DR_WR_REL, - ICP_DR_ABS, - ICP_DR_RD_ABS, - ICP_DR_WR_ABS, - ICP_LMEM, - ICP_LMEM0, - ICP_LMEM1, - ICP_NEIGH_REL, + ICP_NO_DEST = 0, + ICP_GPA_REL = 1, + ICP_GPA_ABS = 2, + ICP_GPB_REL = 3, + ICP_GPB_ABS = 4, + ICP_SR_REL = 5, + ICP_SR_RD_REL = 6, + ICP_SR_WR_REL = 7, + ICP_SR_ABS = 8, + ICP_SR_RD_ABS = 9, + ICP_SR_WR_ABS = 10, + ICP_DR_REL = 19, + ICP_DR_RD_REL = 20, + ICP_DR_WR_REL = 21, + ICP_DR_ABS = 22, + ICP_DR_RD_ABS = 23, + ICP_DR_WR_ABS = 24, + ICP_LMEM = 26, + ICP_LMEM0 = 27, + ICP_LMEM1 = 28, + ICP_NEIGH_REL = 31, }; enum icp_qat_css_fwtype { diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index 59e4c3af..1e8852a8 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -1064,8 +1064,7 @@ static int qat_alg_aead_init(struct crypto_aead *tfm, if (IS_ERR(ctx->hash_tfm)) return PTR_ERR(ctx->hash_tfm); ctx->qat_hash_alg = hash; - crypto_aead_set_reqsize(tfm, sizeof(struct aead_request) + - sizeof(struct qat_crypto_request)); + crypto_aead_set_reqsize(tfm, sizeof(struct qat_crypto_request)); return 0; } @@ -1114,8 +1113,7 @@ static int qat_alg_ablkcipher_init(struct crypto_tfm *tfm) struct qat_alg_ablkcipher_ctx *ctx = crypto_tfm_ctx(tfm); spin_lock_init(&ctx->lock); - tfm->crt_ablkcipher.reqsize = sizeof(struct ablkcipher_request) + - sizeof(struct qat_crypto_request); + tfm->crt_ablkcipher.reqsize = sizeof(struct qat_crypto_request); ctx->tfm = tfm; return 0; } diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c index 51c594f..e5c0727 100644 --- a/drivers/crypto/qat/qat_common/qat_asym_algs.c +++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c @@ -340,14 +340,16 @@ static int qat_rsa_enc(struct akcipher_request *req) if (!ret) return -EINPROGRESS; -unmap_src: - if (qat_req->src_align) - dma_free_coherent(dev, ctx->key_sz, qat_req->src_align, - qat_req->in.enc.m); - else - if (!dma_mapping_error(dev, qat_req->in.enc.m)) - dma_unmap_single(dev, qat_req->in.enc.m, ctx->key_sz, - DMA_TO_DEVICE); + + if (!dma_mapping_error(dev, qat_req->phy_out)) + dma_unmap_single(dev, qat_req->phy_out, + sizeof(struct qat_rsa_output_params), + DMA_TO_DEVICE); +unmap_in_params: + if (!dma_mapping_error(dev, qat_req->phy_in)) + dma_unmap_single(dev, qat_req->phy_in, + sizeof(struct qat_rsa_input_params), + DMA_TO_DEVICE); unmap_dst: if (qat_req->dst_align) dma_free_coherent(dev, ctx->key_sz, qat_req->dst_align, @@ -356,15 +358,14 @@ unmap_dst: if (!dma_mapping_error(dev, qat_req->out.enc.c)) dma_unmap_single(dev, qat_req->out.enc.c, ctx->key_sz, DMA_FROM_DEVICE); -unmap_in_params: - if (!dma_mapping_error(dev, qat_req->phy_in)) - dma_unmap_single(dev, qat_req->phy_in, - sizeof(struct qat_rsa_input_params), - DMA_TO_DEVICE); - if (!dma_mapping_error(dev, qat_req->phy_out)) - dma_unmap_single(dev, qat_req->phy_out, - sizeof(struct qat_rsa_output_params), - DMA_TO_DEVICE); +unmap_src: + if (qat_req->src_align) + dma_free_coherent(dev, ctx->key_sz, qat_req->src_align, + qat_req->in.enc.m); + else + if (!dma_mapping_error(dev, qat_req->in.enc.m)) + dma_unmap_single(dev, qat_req->in.enc.m, ctx->key_sz, + DMA_TO_DEVICE); return ret; } @@ -472,14 +473,16 @@ static int qat_rsa_dec(struct akcipher_request *req) if (!ret) return -EINPROGRESS; -unmap_src: - if (qat_req->src_align) - dma_free_coherent(dev, ctx->key_sz, qat_req->src_align, - qat_req->in.dec.c); - else - if (!dma_mapping_error(dev, qat_req->in.dec.c)) - dma_unmap_single(dev, qat_req->in.dec.c, ctx->key_sz, - DMA_TO_DEVICE); + + if (!dma_mapping_error(dev, qat_req->phy_out)) + dma_unmap_single(dev, qat_req->phy_out, + sizeof(struct qat_rsa_output_params), + DMA_TO_DEVICE); +unmap_in_params: + if (!dma_mapping_error(dev, qat_req->phy_in)) + dma_unmap_single(dev, qat_req->phy_in, + sizeof(struct qat_rsa_input_params), + DMA_TO_DEVICE); unmap_dst: if (qat_req->dst_align) dma_free_coherent(dev, ctx->key_sz, qat_req->dst_align, @@ -488,15 +491,14 @@ unmap_dst: if (!dma_mapping_error(dev, qat_req->out.dec.m)) dma_unmap_single(dev, qat_req->out.dec.m, ctx->key_sz, DMA_FROM_DEVICE); -unmap_in_params: - if (!dma_mapping_error(dev, qat_req->phy_in)) - dma_unmap_single(dev, qat_req->phy_in, - sizeof(struct qat_rsa_input_params), - DMA_TO_DEVICE); - if (!dma_mapping_error(dev, qat_req->phy_out)) - dma_unmap_single(dev, qat_req->phy_out, - sizeof(struct qat_rsa_output_params), - DMA_TO_DEVICE); +unmap_src: + if (qat_req->src_align) + dma_free_coherent(dev, ctx->key_sz, qat_req->src_align, + qat_req->in.dec.c); + else + if (!dma_mapping_error(dev, qat_req->in.dec.c)) + dma_unmap_single(dev, qat_req->in.dec.c, ctx->key_sz, + DMA_TO_DEVICE); return ret; } diff --git a/drivers/crypto/qat/qat_common/qat_uclo.c b/drivers/crypto/qat/qat_common/qat_uclo.c index 25d15f1..9b961b3 100644 --- a/drivers/crypto/qat/qat_common/qat_uclo.c +++ b/drivers/crypto/qat/qat_common/qat_uclo.c @@ -688,7 +688,7 @@ static int qat_uclo_map_ae(struct icp_qat_fw_loader_handle *handle, int max_ae) int mflag = 0; struct icp_qat_uclo_objhandle *obj_handle = handle->obj_handle; - for (ae = 0; ae <= max_ae; ae++) { + for (ae = 0; ae < max_ae; ae++) { if (!test_bit(ae, (unsigned long *)&handle->hal_handle->ae_mask)) continue; diff --git a/drivers/crypto/rockchip/Makefile b/drivers/crypto/rockchip/Makefile index 7051c6c..30f9129 100644 --- a/drivers/crypto/rockchip/Makefile +++ b/drivers/crypto/rockchip/Makefile @@ -1,3 +1,4 @@ obj-$(CONFIG_CRYPTO_DEV_ROCKCHIP) += rk_crypto.o rk_crypto-objs := rk3288_crypto.o \ rk3288_crypto_ablkcipher.o \ + rk3288_crypto_ahash.o diff --git a/drivers/crypto/rockchip/rk3288_crypto.c b/drivers/crypto/rockchip/rk3288_crypto.c index da9c73d..af50825 100644 --- a/drivers/crypto/rockchip/rk3288_crypto.c +++ b/drivers/crypto/rockchip/rk3288_crypto.c @@ -208,6 +208,8 @@ static void rk_crypto_tasklet_cb(unsigned long data) if (crypto_tfm_alg_type(async_req->tfm) == CRYPTO_ALG_TYPE_ABLKCIPHER) dev->ablk_req = ablkcipher_request_cast(async_req); + else + dev->ahash_req = ahash_request_cast(async_req); err = dev->start(dev); if (err) dev->complete(dev, err); @@ -220,6 +222,9 @@ static struct rk_crypto_tmp *rk_cipher_algs[] = { &rk_cbc_des_alg, &rk_ecb_des3_ede_alg, &rk_cbc_des3_ede_alg, + &rk_ahash_sha1, + &rk_ahash_sha256, + &rk_ahash_md5, }; static int rk_crypto_register(struct rk_crypto_info *crypto_info) @@ -229,15 +234,24 @@ static int rk_crypto_register(struct rk_crypto_info *crypto_info) for (i = 0; i < ARRAY_SIZE(rk_cipher_algs); i++) { rk_cipher_algs[i]->dev = crypto_info; - err = crypto_register_alg(&rk_cipher_algs[i]->alg); + if (rk_cipher_algs[i]->type == ALG_TYPE_CIPHER) + err = crypto_register_alg( + &rk_cipher_algs[i]->alg.crypto); + else + err = crypto_register_ahash( + &rk_cipher_algs[i]->alg.hash); if (err) goto err_cipher_algs; } return 0; err_cipher_algs: - for (k = 0; k < i; k++) - crypto_unregister_alg(&rk_cipher_algs[k]->alg); + for (k = 0; k < i; k++) { + if (rk_cipher_algs[i]->type == ALG_TYPE_CIPHER) + crypto_unregister_alg(&rk_cipher_algs[k]->alg.crypto); + else + crypto_unregister_ahash(&rk_cipher_algs[i]->alg.hash); + } return err; } @@ -245,8 +259,12 @@ static void rk_crypto_unregister(void) { unsigned int i; - for (i = 0; i < ARRAY_SIZE(rk_cipher_algs); i++) - crypto_unregister_alg(&rk_cipher_algs[i]->alg); + for (i = 0; i < ARRAY_SIZE(rk_cipher_algs); i++) { + if (rk_cipher_algs[i]->type == ALG_TYPE_CIPHER) + crypto_unregister_alg(&rk_cipher_algs[i]->alg.crypto); + else + crypto_unregister_ahash(&rk_cipher_algs[i]->alg.hash); + } } static void rk_crypto_action(void *data) diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h index e499c2c..d7b71fe 100644 --- a/drivers/crypto/rockchip/rk3288_crypto.h +++ b/drivers/crypto/rockchip/rk3288_crypto.h @@ -6,6 +6,10 @@ #include <crypto/algapi.h> #include <linux/interrupt.h> #include <linux/delay.h> +#include <crypto/internal/hash.h> + +#include <crypto/md5.h> +#include <crypto/sha.h> #define _SBF(v, f) ((v) << (f)) @@ -149,6 +153,28 @@ #define RK_CRYPTO_TDES_KEY3_0 0x0130 #define RK_CRYPTO_TDES_KEY3_1 0x0134 +/* HASH */ +#define RK_CRYPTO_HASH_CTRL 0x0180 +#define RK_CRYPTO_HASH_SWAP_DO BIT(3) +#define RK_CRYPTO_HASH_SWAP_DI BIT(2) +#define RK_CRYPTO_HASH_SHA1 _SBF(0x00, 0) +#define RK_CRYPTO_HASH_MD5 _SBF(0x01, 0) +#define RK_CRYPTO_HASH_SHA256 _SBF(0x02, 0) +#define RK_CRYPTO_HASH_PRNG _SBF(0x03, 0) + +#define RK_CRYPTO_HASH_STS 0x0184 +#define RK_CRYPTO_HASH_DONE BIT(0) + +#define RK_CRYPTO_HASH_MSG_LEN 0x0188 +#define RK_CRYPTO_HASH_DOUT_0 0x018c +#define RK_CRYPTO_HASH_DOUT_1 0x0190 +#define RK_CRYPTO_HASH_DOUT_2 0x0194 +#define RK_CRYPTO_HASH_DOUT_3 0x0198 +#define RK_CRYPTO_HASH_DOUT_4 0x019c +#define RK_CRYPTO_HASH_DOUT_5 0x01a0 +#define RK_CRYPTO_HASH_DOUT_6 0x01a4 +#define RK_CRYPTO_HASH_DOUT_7 0x01a8 + #define CRYPTO_READ(dev, offset) \ readl_relaxed(((dev)->reg + (offset))) #define CRYPTO_WRITE(dev, offset, val) \ @@ -166,6 +192,7 @@ struct rk_crypto_info { struct crypto_queue queue; struct tasklet_struct crypto_tasklet; struct ablkcipher_request *ablk_req; + struct ahash_request *ahash_req; /* device lock */ spinlock_t lock; @@ -195,15 +222,36 @@ struct rk_crypto_info { void (*unload_data)(struct rk_crypto_info *dev); }; +/* the private variable of hash */ +struct rk_ahash_ctx { + struct rk_crypto_info *dev; + /* for fallback */ + struct crypto_ahash *fallback_tfm; +}; + +/* the privete variable of hash for fallback */ +struct rk_ahash_rctx { + struct ahash_request fallback_req; +}; + /* the private variable of cipher */ struct rk_cipher_ctx { struct rk_crypto_info *dev; unsigned int keylen; }; +enum alg_type { + ALG_TYPE_HASH, + ALG_TYPE_CIPHER, +}; + struct rk_crypto_tmp { - struct rk_crypto_info *dev; - struct crypto_alg alg; + struct rk_crypto_info *dev; + union { + struct crypto_alg crypto; + struct ahash_alg hash; + } alg; + enum alg_type type; }; extern struct rk_crypto_tmp rk_ecb_aes_alg; @@ -213,4 +261,8 @@ extern struct rk_crypto_tmp rk_cbc_des_alg; extern struct rk_crypto_tmp rk_ecb_des3_ede_alg; extern struct rk_crypto_tmp rk_cbc_des3_ede_alg; +extern struct rk_crypto_tmp rk_ahash_sha1; +extern struct rk_crypto_tmp rk_ahash_sha256; +extern struct rk_crypto_tmp rk_ahash_md5; + #endif diff --git a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c index d98b681..b5a3afe 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c +++ b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c @@ -336,7 +336,7 @@ static int rk_ablk_cra_init(struct crypto_tfm *tfm) struct crypto_alg *alg = tfm->__crt_alg; struct rk_crypto_tmp *algt; - algt = container_of(alg, struct rk_crypto_tmp, alg); + algt = container_of(alg, struct rk_crypto_tmp, alg.crypto); ctx->dev = algt->dev; ctx->dev->align_size = crypto_tfm_alg_alignmask(tfm) + 1; @@ -357,7 +357,8 @@ static void rk_ablk_cra_exit(struct crypto_tfm *tfm) } struct rk_crypto_tmp rk_ecb_aes_alg = { - .alg = { + .type = ALG_TYPE_CIPHER, + .alg.crypto = { .cra_name = "ecb(aes)", .cra_driver_name = "ecb-aes-rk", .cra_priority = 300, @@ -381,7 +382,8 @@ struct rk_crypto_tmp rk_ecb_aes_alg = { }; struct rk_crypto_tmp rk_cbc_aes_alg = { - .alg = { + .type = ALG_TYPE_CIPHER, + .alg.crypto = { .cra_name = "cbc(aes)", .cra_driver_name = "cbc-aes-rk", .cra_priority = 300, @@ -406,7 +408,8 @@ struct rk_crypto_tmp rk_cbc_aes_alg = { }; struct rk_crypto_tmp rk_ecb_des_alg = { - .alg = { + .type = ALG_TYPE_CIPHER, + .alg.crypto = { .cra_name = "ecb(des)", .cra_driver_name = "ecb-des-rk", .cra_priority = 300, @@ -430,7 +433,8 @@ struct rk_crypto_tmp rk_ecb_des_alg = { }; struct rk_crypto_tmp rk_cbc_des_alg = { - .alg = { + .type = ALG_TYPE_CIPHER, + .alg.crypto = { .cra_name = "cbc(des)", .cra_driver_name = "cbc-des-rk", .cra_priority = 300, @@ -455,7 +459,8 @@ struct rk_crypto_tmp rk_cbc_des_alg = { }; struct rk_crypto_tmp rk_ecb_des3_ede_alg = { - .alg = { + .type = ALG_TYPE_CIPHER, + .alg.crypto = { .cra_name = "ecb(des3_ede)", .cra_driver_name = "ecb-des3-ede-rk", .cra_priority = 300, @@ -480,7 +485,8 @@ struct rk_crypto_tmp rk_ecb_des3_ede_alg = { }; struct rk_crypto_tmp rk_cbc_des3_ede_alg = { - .alg = { + .type = ALG_TYPE_CIPHER, + .alg.crypto = { .cra_name = "cbc(des3_ede)", .cra_driver_name = "cbc-des3-ede-rk", .cra_priority = 300, diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c new file mode 100644 index 0000000..7185882 --- /dev/null +++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c @@ -0,0 +1,404 @@ +/* + * Crypto acceleration support for Rockchip RK3288 + * + * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd + * + * Author: Zain Wang <zain.wang@rock-chips.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * Some ideas are from marvell/cesa.c and s5p-sss.c driver. + */ +#include "rk3288_crypto.h" + +/* + * IC can not process zero message hash, + * so we put the fixed hash out when met zero message. + */ + +static int zero_message_process(struct ahash_request *req) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + int rk_digest_size = crypto_ahash_digestsize(tfm); + + switch (rk_digest_size) { + case SHA1_DIGEST_SIZE: + memcpy(req->result, sha1_zero_message_hash, rk_digest_size); + break; + case SHA256_DIGEST_SIZE: + memcpy(req->result, sha256_zero_message_hash, rk_digest_size); + break; + case MD5_DIGEST_SIZE: + memcpy(req->result, md5_zero_message_hash, rk_digest_size); + break; + default: + return -EINVAL; + } + + return 0; +} + +static void rk_ahash_crypto_complete(struct rk_crypto_info *dev, int err) +{ + if (dev->ahash_req->base.complete) + dev->ahash_req->base.complete(&dev->ahash_req->base, err); +} + +static void rk_ahash_reg_init(struct rk_crypto_info *dev) +{ + int reg_status = 0; + + reg_status = CRYPTO_READ(dev, RK_CRYPTO_CTRL) | + RK_CRYPTO_HASH_FLUSH | _SBF(0xffff, 16); + CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, reg_status); + + reg_status = CRYPTO_READ(dev, RK_CRYPTO_CTRL); + reg_status &= (~RK_CRYPTO_HASH_FLUSH); + reg_status |= _SBF(0xffff, 16); + CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, reg_status); + + memset_io(dev->reg + RK_CRYPTO_HASH_DOUT_0, 0, 32); + + CRYPTO_WRITE(dev, RK_CRYPTO_INTENA, RK_CRYPTO_HRDMA_ERR_ENA | + RK_CRYPTO_HRDMA_DONE_ENA); + + CRYPTO_WRITE(dev, RK_CRYPTO_INTSTS, RK_CRYPTO_HRDMA_ERR_INT | + RK_CRYPTO_HRDMA_DONE_INT); + + CRYPTO_WRITE(dev, RK_CRYPTO_HASH_CTRL, dev->mode | + RK_CRYPTO_HASH_SWAP_DO); + + CRYPTO_WRITE(dev, RK_CRYPTO_CONF, RK_CRYPTO_BYTESWAP_HRFIFO | + RK_CRYPTO_BYTESWAP_BRFIFO | + RK_CRYPTO_BYTESWAP_BTFIFO); + + CRYPTO_WRITE(dev, RK_CRYPTO_HASH_MSG_LEN, dev->total); +} + +static int rk_ahash_init(struct ahash_request *req) +{ + struct rk_ahash_rctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & + CRYPTO_TFM_REQ_MAY_SLEEP; + + return crypto_ahash_init(&rctx->fallback_req); +} + +static int rk_ahash_update(struct ahash_request *req) +{ + struct rk_ahash_rctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & + CRYPTO_TFM_REQ_MAY_SLEEP; + rctx->fallback_req.nbytes = req->nbytes; + rctx->fallback_req.src = req->src; + + return crypto_ahash_update(&rctx->fallback_req); +} + +static int rk_ahash_final(struct ahash_request *req) +{ + struct rk_ahash_rctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & + CRYPTO_TFM_REQ_MAY_SLEEP; + rctx->fallback_req.result = req->result; + + return crypto_ahash_final(&rctx->fallback_req); +} + +static int rk_ahash_finup(struct ahash_request *req) +{ + struct rk_ahash_rctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & + CRYPTO_TFM_REQ_MAY_SLEEP; + + rctx->fallback_req.nbytes = req->nbytes; + rctx->fallback_req.src = req->src; + rctx->fallback_req.result = req->result; + + return crypto_ahash_finup(&rctx->fallback_req); +} + +static int rk_ahash_import(struct ahash_request *req, const void *in) +{ + struct rk_ahash_rctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & + CRYPTO_TFM_REQ_MAY_SLEEP; + + return crypto_ahash_import(&rctx->fallback_req, in); +} + +static int rk_ahash_export(struct ahash_request *req, void *out) +{ + struct rk_ahash_rctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & + CRYPTO_TFM_REQ_MAY_SLEEP; + + return crypto_ahash_export(&rctx->fallback_req, out); +} + +static int rk_ahash_digest(struct ahash_request *req) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct rk_ahash_ctx *tctx = crypto_tfm_ctx(req->base.tfm); + struct rk_crypto_info *dev = NULL; + unsigned long flags; + int ret; + + if (!req->nbytes) + return zero_message_process(req); + + dev = tctx->dev; + dev->total = req->nbytes; + dev->left_bytes = req->nbytes; + dev->aligned = 0; + dev->mode = 0; + dev->align_size = 4; + dev->sg_dst = NULL; + dev->sg_src = req->src; + dev->first = req->src; + dev->nents = sg_nents(req->src); + + switch (crypto_ahash_digestsize(tfm)) { + case SHA1_DIGEST_SIZE: + dev->mode = RK_CRYPTO_HASH_SHA1; + break; + case SHA256_DIGEST_SIZE: + dev->mode = RK_CRYPTO_HASH_SHA256; + break; + case MD5_DIGEST_SIZE: + dev->mode = RK_CRYPTO_HASH_MD5; + break; + default: + return -EINVAL; + } + + rk_ahash_reg_init(dev); + + spin_lock_irqsave(&dev->lock, flags); + ret = crypto_enqueue_request(&dev->queue, &req->base); + spin_unlock_irqrestore(&dev->lock, flags); + + tasklet_schedule(&dev->crypto_tasklet); + + /* + * it will take some time to process date after last dma transmission. + * + * waiting time is relative with the last date len, + * so cannot set a fixed time here. + * 10-50 makes system not call here frequently wasting + * efficiency, and make it response quickly when dma + * complete. + */ + while (!CRYPTO_READ(dev, RK_CRYPTO_HASH_STS)) + usleep_range(10, 50); + + memcpy_fromio(req->result, dev->reg + RK_CRYPTO_HASH_DOUT_0, + crypto_ahash_digestsize(tfm)); + + return 0; +} + +static void crypto_ahash_dma_start(struct rk_crypto_info *dev) +{ + CRYPTO_WRITE(dev, RK_CRYPTO_HRDMAS, dev->addr_in); + CRYPTO_WRITE(dev, RK_CRYPTO_HRDMAL, (dev->count + 3) / 4); + CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, RK_CRYPTO_HASH_START | + (RK_CRYPTO_HASH_START << 16)); +} + +static int rk_ahash_set_data_start(struct rk_crypto_info *dev) +{ + int err; + + err = dev->load_data(dev, dev->sg_src, NULL); + if (!err) + crypto_ahash_dma_start(dev); + return err; +} + +static int rk_ahash_start(struct rk_crypto_info *dev) +{ + return rk_ahash_set_data_start(dev); +} + +static int rk_ahash_crypto_rx(struct rk_crypto_info *dev) +{ + int err = 0; + + dev->unload_data(dev); + if (dev->left_bytes) { + if (dev->aligned) { + if (sg_is_last(dev->sg_src)) { + dev_warn(dev->dev, "[%s:%d], Lack of data\n", + __func__, __LINE__); + err = -ENOMEM; + goto out_rx; + } + dev->sg_src = sg_next(dev->sg_src); + } + err = rk_ahash_set_data_start(dev); + } else { + dev->complete(dev, 0); + } + +out_rx: + return err; +} + +static int rk_cra_hash_init(struct crypto_tfm *tfm) +{ + struct rk_ahash_ctx *tctx = crypto_tfm_ctx(tfm); + struct rk_crypto_tmp *algt; + struct ahash_alg *alg = __crypto_ahash_alg(tfm->__crt_alg); + + const char *alg_name = crypto_tfm_alg_name(tfm); + + algt = container_of(alg, struct rk_crypto_tmp, alg.hash); + + tctx->dev = algt->dev; + tctx->dev->addr_vir = (void *)__get_free_page(GFP_KERNEL); + if (!tctx->dev->addr_vir) { + dev_err(tctx->dev->dev, "failed to kmalloc for addr_vir\n"); + return -ENOMEM; + } + tctx->dev->start = rk_ahash_start; + tctx->dev->update = rk_ahash_crypto_rx; + tctx->dev->complete = rk_ahash_crypto_complete; + + /* for fallback */ + tctx->fallback_tfm = crypto_alloc_ahash(alg_name, 0, + CRYPTO_ALG_NEED_FALLBACK); + if (IS_ERR(tctx->fallback_tfm)) { + dev_err(tctx->dev->dev, "Could not load fallback driver.\n"); + return PTR_ERR(tctx->fallback_tfm); + } + crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm), + sizeof(struct rk_ahash_rctx) + + crypto_ahash_reqsize(tctx->fallback_tfm)); + + return tctx->dev->enable_clk(tctx->dev); +} + +static void rk_cra_hash_exit(struct crypto_tfm *tfm) +{ + struct rk_ahash_ctx *tctx = crypto_tfm_ctx(tfm); + + free_page((unsigned long)tctx->dev->addr_vir); + return tctx->dev->disable_clk(tctx->dev); +} + +struct rk_crypto_tmp rk_ahash_sha1 = { + .type = ALG_TYPE_HASH, + .alg.hash = { + .init = rk_ahash_init, + .update = rk_ahash_update, + .final = rk_ahash_final, + .finup = rk_ahash_finup, + .export = rk_ahash_export, + .import = rk_ahash_import, + .digest = rk_ahash_digest, + .halg = { + .digestsize = SHA1_DIGEST_SIZE, + .statesize = sizeof(struct sha1_state), + .base = { + .cra_name = "sha1", + .cra_driver_name = "rk-sha1", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SHA1_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct rk_ahash_ctx), + .cra_alignmask = 3, + .cra_init = rk_cra_hash_init, + .cra_exit = rk_cra_hash_exit, + .cra_module = THIS_MODULE, + } + } + } +}; + +struct rk_crypto_tmp rk_ahash_sha256 = { + .type = ALG_TYPE_HASH, + .alg.hash = { + .init = rk_ahash_init, + .update = rk_ahash_update, + .final = rk_ahash_final, + .finup = rk_ahash_finup, + .export = rk_ahash_export, + .import = rk_ahash_import, + .digest = rk_ahash_digest, + .halg = { + .digestsize = SHA256_DIGEST_SIZE, + .statesize = sizeof(struct sha256_state), + .base = { + .cra_name = "sha256", + .cra_driver_name = "rk-sha256", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SHA256_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct rk_ahash_ctx), + .cra_alignmask = 3, + .cra_init = rk_cra_hash_init, + .cra_exit = rk_cra_hash_exit, + .cra_module = THIS_MODULE, + } + } + } +}; + +struct rk_crypto_tmp rk_ahash_md5 = { + .type = ALG_TYPE_HASH, + .alg.hash = { + .init = rk_ahash_init, + .update = rk_ahash_update, + .final = rk_ahash_final, + .finup = rk_ahash_finup, + .export = rk_ahash_export, + .import = rk_ahash_import, + .digest = rk_ahash_digest, + .halg = { + .digestsize = MD5_DIGEST_SIZE, + .statesize = sizeof(struct md5_state), + .base = { + .cra_name = "md5", + .cra_driver_name = "rk-md5", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SHA1_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct rk_ahash_ctx), + .cra_alignmask = 3, + .cra_init = rk_cra_hash_init, + .cra_exit = rk_cra_hash_exit, + .cra_module = THIS_MODULE, + } + } + } +}; diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index f214a87..5f161a9 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -224,6 +224,7 @@ static inline struct samsung_aes_variant *find_s5p_sss_version { if (IS_ENABLED(CONFIG_OF) && (pdev->dev.of_node)) { const struct of_device_id *match; + match = of_match_node(s5p_sss_dt_match, pdev->dev.of_node); return (struct samsung_aes_variant *)match->data; @@ -382,7 +383,7 @@ static void s5p_set_aes(struct s5p_aes_dev *dev, void __iomem *keystart; if (iv) - memcpy(dev->aes_ioaddr + SSS_REG_AES_IV_DATA(0), iv, 0x10); + memcpy_toio(dev->aes_ioaddr + SSS_REG_AES_IV_DATA(0), iv, 0x10); if (keylen == AES_KEYSIZE_256) keystart = dev->aes_ioaddr + SSS_REG_AES_KEY_DATA(0); @@ -391,13 +392,12 @@ static void s5p_set_aes(struct s5p_aes_dev *dev, else keystart = dev->aes_ioaddr + SSS_REG_AES_KEY_DATA(4); - memcpy(keystart, key, keylen); + memcpy_toio(keystart, key, keylen); } static void s5p_aes_crypt_start(struct s5p_aes_dev *dev, unsigned long mode) { struct ablkcipher_request *req = dev->req; - uint32_t aes_control; int err; unsigned long flags; @@ -518,7 +518,7 @@ static int s5p_aes_crypt(struct ablkcipher_request *req, unsigned long mode) struct s5p_aes_dev *dev = ctx->dev; if (!IS_ALIGNED(req->nbytes, AES_BLOCK_SIZE)) { - pr_err("request size is not exact amount of AES blocks\n"); + dev_err(dev->dev, "request size is not exact amount of AES blocks\n"); return -EINVAL; } @@ -566,7 +566,7 @@ static int s5p_aes_cbc_decrypt(struct ablkcipher_request *req) static int s5p_aes_cra_init(struct crypto_tfm *tfm) { - struct s5p_aes_ctx *ctx = crypto_tfm_ctx(tfm); + struct s5p_aes_ctx *ctx = crypto_tfm_ctx(tfm); ctx->dev = s5p_dev; tfm->crt_ablkcipher.reqsize = sizeof(struct s5p_aes_reqctx); @@ -701,7 +701,7 @@ static int s5p_aes_probe(struct platform_device *pdev) goto err_algs; } - pr_info("s5p-sss driver registered\n"); + dev_info(dev, "s5p-sss driver registered\n"); return 0; diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c index 6c4f91c..c3f3d89 100644 --- a/drivers/crypto/sahara.c +++ b/drivers/crypto/sahara.c @@ -182,7 +182,6 @@ struct sahara_sha_reqctx { u8 buf[SAHARA_MAX_SHA_BLOCK_SIZE]; u8 rembuf[SAHARA_MAX_SHA_BLOCK_SIZE]; u8 context[SHA256_DIGEST_SIZE + 4]; - struct mutex mutex; unsigned int mode; unsigned int digest_size; unsigned int context_size; @@ -1096,7 +1095,6 @@ static int sahara_sha_enqueue(struct ahash_request *req, int last) if (!req->nbytes && !last) return 0; - mutex_lock(&rctx->mutex); rctx->last = last; if (!rctx->active) { @@ -1109,7 +1107,6 @@ static int sahara_sha_enqueue(struct ahash_request *req, int last) mutex_unlock(&dev->queue_mutex); wake_up_process(dev->kthread); - mutex_unlock(&rctx->mutex); return ret; } @@ -1137,8 +1134,6 @@ static int sahara_sha_init(struct ahash_request *req) rctx->context_size = rctx->digest_size + 4; rctx->active = 0; - mutex_init(&rctx->mutex); - return 0; } @@ -1167,26 +1162,18 @@ static int sahara_sha_digest(struct ahash_request *req) static int sahara_sha_export(struct ahash_request *req, void *out) { - struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); - struct sahara_ctx *ctx = crypto_ahash_ctx(ahash); struct sahara_sha_reqctx *rctx = ahash_request_ctx(req); - memcpy(out, ctx, sizeof(struct sahara_ctx)); - memcpy(out + sizeof(struct sahara_sha_reqctx), rctx, - sizeof(struct sahara_sha_reqctx)); + memcpy(out, rctx, sizeof(struct sahara_sha_reqctx)); return 0; } static int sahara_sha_import(struct ahash_request *req, const void *in) { - struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); - struct sahara_ctx *ctx = crypto_ahash_ctx(ahash); struct sahara_sha_reqctx *rctx = ahash_request_ctx(req); - memcpy(ctx, in, sizeof(struct sahara_ctx)); - memcpy(rctx, in + sizeof(struct sahara_sha_reqctx), - sizeof(struct sahara_sha_reqctx)); + memcpy(rctx, in, sizeof(struct sahara_sha_reqctx)); return 0; } @@ -1272,6 +1259,7 @@ static struct ahash_alg sha_v3_algs[] = { .export = sahara_sha_export, .import = sahara_sha_import, .halg.digestsize = SHA1_DIGEST_SIZE, + .halg.statesize = sizeof(struct sahara_sha_reqctx), .halg.base = { .cra_name = "sha1", .cra_driver_name = "sahara-sha1", @@ -1299,6 +1287,7 @@ static struct ahash_alg sha_v4_algs[] = { .export = sahara_sha_export, .import = sahara_sha_import, .halg.digestsize = SHA256_DIGEST_SIZE, + .halg.statesize = sizeof(struct sahara_sha_reqctx), .halg.base = { .cra_name = "sha256", .cra_driver_name = "sahara-sha256", diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c index a19ee12..7be3fbc 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c @@ -251,11 +251,10 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq) spaces = readl(ss->base + SS_FCSR); rx_cnt = SS_RXFIFO_SPACES(spaces); tx_cnt = SS_TXFIFO_SPACES(spaces); - dev_dbg(ss->dev, "%x %u/%u %u/%u cnt=%u %u/%u %u/%u cnt=%u %u %u\n", + dev_dbg(ss->dev, "%x %u/%u %u/%u cnt=%u %u/%u %u/%u cnt=%u %u\n", mode, oi, mi.length, ileft, areq->nbytes, rx_cnt, - oo, mo.length, oleft, areq->nbytes, tx_cnt, - todo, ob); + oo, mo.length, oleft, areq->nbytes, tx_cnt, ob); if (tx_cnt == 0) continue; diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c index 4c243c1..790f7ca 100644 --- a/drivers/crypto/ux500/cryp/cryp_core.c +++ b/drivers/crypto/ux500/cryp/cryp_core.c @@ -1440,9 +1440,9 @@ static int ux500_cryp_probe(struct platform_device *pdev) device_data->phybase = res->start; device_data->base = devm_ioremap_resource(dev, res); - if (!device_data->base) { + if (IS_ERR(device_data->base)) { dev_err(dev, "[%s]: ioremap failed!", __func__); - ret = -ENOMEM; + ret = PTR_ERR(device_data->base); goto out; } diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c index d6fdc58..574e87c 100644 --- a/drivers/crypto/ux500/hash/hash_core.c +++ b/drivers/crypto/ux500/hash/hash_core.c @@ -1659,9 +1659,9 @@ static int ux500_hash_probe(struct platform_device *pdev) device_data->phybase = res->start; device_data->base = devm_ioremap_resource(dev, res); - if (!device_data->base) { + if (IS_ERR(device_data->base)) { dev_err(dev, "%s: ioremap() failed!\n", __func__); - ret = -ENOMEM; + ret = PTR_ERR(device_data->base); goto out; } spin_lock_init(&device_data->ctx_lock); diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 5c934b6..4f3cb35 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -28,6 +28,7 @@ #include <crypto/hash.h> #include <crypto/md5.h> #include <crypto/algapi.h> +#include <crypto/skcipher.h> #include <linux/device-mapper.h> @@ -44,7 +45,7 @@ struct convert_context { struct bvec_iter iter_out; sector_t cc_sector; atomic_t cc_pending; - struct ablkcipher_request *req; + struct skcipher_request *req; }; /* @@ -86,7 +87,7 @@ struct crypt_iv_operations { }; struct iv_essiv_private { - struct crypto_hash *hash_tfm; + struct crypto_ahash *hash_tfm; u8 *salt; }; @@ -153,13 +154,13 @@ struct crypt_config { /* ESSIV: struct crypto_cipher *essiv_tfm */ void *iv_private; - struct crypto_ablkcipher **tfms; + struct crypto_skcipher **tfms; unsigned tfms_count; /* * Layout of each crypto request: * - * struct ablkcipher_request + * struct skcipher_request * context * padding * struct dm_crypt_request @@ -189,7 +190,7 @@ static u8 *iv_of_dmreq(struct crypt_config *cc, struct dm_crypt_request *dmreq); /* * Use this to access cipher attributes that are the same for each CPU. */ -static struct crypto_ablkcipher *any_tfm(struct crypt_config *cc) +static struct crypto_skcipher *any_tfm(struct crypt_config *cc) { return cc->tfms[0]; } @@ -263,23 +264,25 @@ static int crypt_iv_plain64_gen(struct crypt_config *cc, u8 *iv, static int crypt_iv_essiv_init(struct crypt_config *cc) { struct iv_essiv_private *essiv = &cc->iv_gen_private.essiv; - struct hash_desc desc; + AHASH_REQUEST_ON_STACK(req, essiv->hash_tfm); struct scatterlist sg; struct crypto_cipher *essiv_tfm; int err; sg_init_one(&sg, cc->key, cc->key_size); - desc.tfm = essiv->hash_tfm; - desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; + ahash_request_set_tfm(req, essiv->hash_tfm); + ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); + ahash_request_set_crypt(req, &sg, essiv->salt, cc->key_size); - err = crypto_hash_digest(&desc, &sg, cc->key_size, essiv->salt); + err = crypto_ahash_digest(req); + ahash_request_zero(req); if (err) return err; essiv_tfm = cc->iv_private; err = crypto_cipher_setkey(essiv_tfm, essiv->salt, - crypto_hash_digestsize(essiv->hash_tfm)); + crypto_ahash_digestsize(essiv->hash_tfm)); if (err) return err; @@ -290,7 +293,7 @@ static int crypt_iv_essiv_init(struct crypt_config *cc) static int crypt_iv_essiv_wipe(struct crypt_config *cc) { struct iv_essiv_private *essiv = &cc->iv_gen_private.essiv; - unsigned salt_size = crypto_hash_digestsize(essiv->hash_tfm); + unsigned salt_size = crypto_ahash_digestsize(essiv->hash_tfm); struct crypto_cipher *essiv_tfm; int r, err = 0; @@ -320,7 +323,7 @@ static struct crypto_cipher *setup_essiv_cpu(struct crypt_config *cc, } if (crypto_cipher_blocksize(essiv_tfm) != - crypto_ablkcipher_ivsize(any_tfm(cc))) { + crypto_skcipher_ivsize(any_tfm(cc))) { ti->error = "Block size of ESSIV cipher does " "not match IV size of block cipher"; crypto_free_cipher(essiv_tfm); @@ -342,7 +345,7 @@ static void crypt_iv_essiv_dtr(struct crypt_config *cc) struct crypto_cipher *essiv_tfm; struct iv_essiv_private *essiv = &cc->iv_gen_private.essiv; - crypto_free_hash(essiv->hash_tfm); + crypto_free_ahash(essiv->hash_tfm); essiv->hash_tfm = NULL; kzfree(essiv->salt); @@ -360,7 +363,7 @@ static int crypt_iv_essiv_ctr(struct crypt_config *cc, struct dm_target *ti, const char *opts) { struct crypto_cipher *essiv_tfm = NULL; - struct crypto_hash *hash_tfm = NULL; + struct crypto_ahash *hash_tfm = NULL; u8 *salt = NULL; int err; @@ -370,14 +373,14 @@ static int crypt_iv_essiv_ctr(struct crypt_config *cc, struct dm_target *ti, } /* Allocate hash algorithm */ - hash_tfm = crypto_alloc_hash(opts, 0, CRYPTO_ALG_ASYNC); + hash_tfm = crypto_alloc_ahash(opts, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(hash_tfm)) { ti->error = "Error initializing ESSIV hash"; err = PTR_ERR(hash_tfm); goto bad; } - salt = kzalloc(crypto_hash_digestsize(hash_tfm), GFP_KERNEL); + salt = kzalloc(crypto_ahash_digestsize(hash_tfm), GFP_KERNEL); if (!salt) { ti->error = "Error kmallocing salt storage in ESSIV"; err = -ENOMEM; @@ -388,7 +391,7 @@ static int crypt_iv_essiv_ctr(struct crypt_config *cc, struct dm_target *ti, cc->iv_gen_private.essiv.hash_tfm = hash_tfm; essiv_tfm = setup_essiv_cpu(cc, ti, salt, - crypto_hash_digestsize(hash_tfm)); + crypto_ahash_digestsize(hash_tfm)); if (IS_ERR(essiv_tfm)) { crypt_iv_essiv_dtr(cc); return PTR_ERR(essiv_tfm); @@ -399,7 +402,7 @@ static int crypt_iv_essiv_ctr(struct crypt_config *cc, struct dm_target *ti, bad: if (hash_tfm && !IS_ERR(hash_tfm)) - crypto_free_hash(hash_tfm); + crypto_free_ahash(hash_tfm); kfree(salt); return err; } @@ -419,7 +422,7 @@ static int crypt_iv_essiv_gen(struct crypt_config *cc, u8 *iv, static int crypt_iv_benbi_ctr(struct crypt_config *cc, struct dm_target *ti, const char *opts) { - unsigned bs = crypto_ablkcipher_blocksize(any_tfm(cc)); + unsigned bs = crypto_skcipher_blocksize(any_tfm(cc)); int log = ilog2(bs); /* we need to calculate how far we must shift the sector count @@ -816,27 +819,27 @@ static void crypt_convert_init(struct crypt_config *cc, } static struct dm_crypt_request *dmreq_of_req(struct crypt_config *cc, - struct ablkcipher_request *req) + struct skcipher_request *req) { return (struct dm_crypt_request *)((char *)req + cc->dmreq_start); } -static struct ablkcipher_request *req_of_dmreq(struct crypt_config *cc, +static struct skcipher_request *req_of_dmreq(struct crypt_config *cc, struct dm_crypt_request *dmreq) { - return (struct ablkcipher_request *)((char *)dmreq - cc->dmreq_start); + return (struct skcipher_request *)((char *)dmreq - cc->dmreq_start); } static u8 *iv_of_dmreq(struct crypt_config *cc, struct dm_crypt_request *dmreq) { return (u8 *)ALIGN((unsigned long)(dmreq + 1), - crypto_ablkcipher_alignmask(any_tfm(cc)) + 1); + crypto_skcipher_alignmask(any_tfm(cc)) + 1); } static int crypt_convert_block(struct crypt_config *cc, struct convert_context *ctx, - struct ablkcipher_request *req) + struct skcipher_request *req) { struct bio_vec bv_in = bio_iter_iovec(ctx->bio_in, ctx->iter_in); struct bio_vec bv_out = bio_iter_iovec(ctx->bio_out, ctx->iter_out); @@ -866,13 +869,13 @@ static int crypt_convert_block(struct crypt_config *cc, return r; } - ablkcipher_request_set_crypt(req, &dmreq->sg_in, &dmreq->sg_out, - 1 << SECTOR_SHIFT, iv); + skcipher_request_set_crypt(req, &dmreq->sg_in, &dmreq->sg_out, + 1 << SECTOR_SHIFT, iv); if (bio_data_dir(ctx->bio_in) == WRITE) - r = crypto_ablkcipher_encrypt(req); + r = crypto_skcipher_encrypt(req); else - r = crypto_ablkcipher_decrypt(req); + r = crypto_skcipher_decrypt(req); if (!r && cc->iv_gen_ops && cc->iv_gen_ops->post) r = cc->iv_gen_ops->post(cc, iv, dmreq); @@ -891,23 +894,23 @@ static void crypt_alloc_req(struct crypt_config *cc, if (!ctx->req) ctx->req = mempool_alloc(cc->req_pool, GFP_NOIO); - ablkcipher_request_set_tfm(ctx->req, cc->tfms[key_index]); + skcipher_request_set_tfm(ctx->req, cc->tfms[key_index]); /* * Use REQ_MAY_BACKLOG so a cipher driver internally backlogs * requests if driver request queue is full. */ - ablkcipher_request_set_callback(ctx->req, + skcipher_request_set_callback(ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, kcryptd_async_done, dmreq_of_req(cc, ctx->req)); } static void crypt_free_req(struct crypt_config *cc, - struct ablkcipher_request *req, struct bio *base_bio) + struct skcipher_request *req, struct bio *base_bio) { struct dm_crypt_io *io = dm_per_bio_data(base_bio, cc->per_bio_data_size); - if ((struct ablkcipher_request *)(io + 1) != req) + if ((struct skcipher_request *)(io + 1) != req) mempool_free(req, cc->req_pool); } @@ -1437,7 +1440,7 @@ static void crypt_free_tfms(struct crypt_config *cc) for (i = 0; i < cc->tfms_count; i++) if (cc->tfms[i] && !IS_ERR(cc->tfms[i])) { - crypto_free_ablkcipher(cc->tfms[i]); + crypto_free_skcipher(cc->tfms[i]); cc->tfms[i] = NULL; } @@ -1450,13 +1453,13 @@ static int crypt_alloc_tfms(struct crypt_config *cc, char *ciphermode) unsigned i; int err; - cc->tfms = kmalloc(cc->tfms_count * sizeof(struct crypto_ablkcipher *), + cc->tfms = kmalloc(cc->tfms_count * sizeof(struct crypto_skcipher *), GFP_KERNEL); if (!cc->tfms) return -ENOMEM; for (i = 0; i < cc->tfms_count; i++) { - cc->tfms[i] = crypto_alloc_ablkcipher(ciphermode, 0, 0); + cc->tfms[i] = crypto_alloc_skcipher(ciphermode, 0, 0); if (IS_ERR(cc->tfms[i])) { err = PTR_ERR(cc->tfms[i]); crypt_free_tfms(cc); @@ -1476,9 +1479,9 @@ static int crypt_setkey_allcpus(struct crypt_config *cc) subkey_size = (cc->key_size - cc->key_extra_size) >> ilog2(cc->tfms_count); for (i = 0; i < cc->tfms_count; i++) { - r = crypto_ablkcipher_setkey(cc->tfms[i], - cc->key + (i * subkey_size), - subkey_size); + r = crypto_skcipher_setkey(cc->tfms[i], + cc->key + (i * subkey_size), + subkey_size); if (r) err = r; } @@ -1645,7 +1648,7 @@ static int crypt_ctr_cipher(struct dm_target *ti, } /* Initialize IV */ - cc->iv_size = crypto_ablkcipher_ivsize(any_tfm(cc)); + cc->iv_size = crypto_skcipher_ivsize(any_tfm(cc)); if (cc->iv_size) /* at least a 64 bit sector number should fit in our buffer */ cc->iv_size = max(cc->iv_size, @@ -1763,21 +1766,21 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) if (ret < 0) goto bad; - cc->dmreq_start = sizeof(struct ablkcipher_request); - cc->dmreq_start += crypto_ablkcipher_reqsize(any_tfm(cc)); + cc->dmreq_start = sizeof(struct skcipher_request); + cc->dmreq_start += crypto_skcipher_reqsize(any_tfm(cc)); cc->dmreq_start = ALIGN(cc->dmreq_start, __alignof__(struct dm_crypt_request)); - if (crypto_ablkcipher_alignmask(any_tfm(cc)) < CRYPTO_MINALIGN) { + if (crypto_skcipher_alignmask(any_tfm(cc)) < CRYPTO_MINALIGN) { /* Allocate the padding exactly */ iv_size_padding = -(cc->dmreq_start + sizeof(struct dm_crypt_request)) - & crypto_ablkcipher_alignmask(any_tfm(cc)); + & crypto_skcipher_alignmask(any_tfm(cc)); } else { /* * If the cipher requires greater alignment than kmalloc * alignment, we don't know the exact position of the * initialization vector. We must assume worst case. */ - iv_size_padding = crypto_ablkcipher_alignmask(any_tfm(cc)); + iv_size_padding = crypto_skcipher_alignmask(any_tfm(cc)); } ret = -ENOMEM; @@ -1922,7 +1925,7 @@ static int crypt_map(struct dm_target *ti, struct bio *bio) io = dm_per_bio_data(bio, cc->per_bio_data_size); crypt_io_init(io, cc, bio, dm_target_offset(ti, bio->bi_iter.bi_sector)); - io->ctx.req = (struct ablkcipher_request *)(io + 1); + io->ctx.req = (struct skcipher_request *)(io + 1); if (bio_data_dir(io->base_bio) == READ) { if (kcryptd_io_read(io, GFP_NOWAIT)) diff --git a/drivers/net/ppp/ppp_mppe.c b/drivers/net/ppp/ppp_mppe.c index 05005c6..f60f766 100644 --- a/drivers/net/ppp/ppp_mppe.c +++ b/drivers/net/ppp/ppp_mppe.c @@ -42,6 +42,8 @@ * deprecated in 2.6 */ +#include <crypto/hash.h> +#include <crypto/skcipher.h> #include <linux/err.h> #include <linux/module.h> #include <linux/kernel.h> @@ -49,7 +51,6 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/string.h> -#include <linux/crypto.h> #include <linux/mm.h> #include <linux/ppp_defs.h> #include <linux/ppp-comp.h> @@ -94,8 +95,8 @@ static inline void sha_pad_init(struct sha_pad *shapad) * State for an MPPE (de)compressor. */ struct ppp_mppe_state { - struct crypto_blkcipher *arc4; - struct crypto_hash *sha1; + struct crypto_skcipher *arc4; + struct crypto_ahash *sha1; unsigned char *sha1_digest; unsigned char master_key[MPPE_MAX_KEY_LEN]; unsigned char session_key[MPPE_MAX_KEY_LEN]; @@ -135,7 +136,7 @@ struct ppp_mppe_state { */ static void get_new_key_from_sha(struct ppp_mppe_state * state) { - struct hash_desc desc; + AHASH_REQUEST_ON_STACK(req, state->sha1); struct scatterlist sg[4]; unsigned int nbytes; @@ -148,10 +149,12 @@ static void get_new_key_from_sha(struct ppp_mppe_state * state) nbytes += setup_sg(&sg[3], sha_pad->sha_pad2, sizeof(sha_pad->sha_pad2)); - desc.tfm = state->sha1; - desc.flags = 0; + ahash_request_set_tfm(req, state->sha1); + ahash_request_set_callback(req, 0, NULL, NULL); + ahash_request_set_crypt(req, sg, state->sha1_digest, nbytes); - crypto_hash_digest(&desc, sg, nbytes, state->sha1_digest); + crypto_ahash_digest(req); + ahash_request_zero(req); } /* @@ -161,20 +164,23 @@ static void get_new_key_from_sha(struct ppp_mppe_state * state) static void mppe_rekey(struct ppp_mppe_state * state, int initial_key) { struct scatterlist sg_in[1], sg_out[1]; - struct blkcipher_desc desc = { .tfm = state->arc4 }; + SKCIPHER_REQUEST_ON_STACK(req, state->arc4); + + skcipher_request_set_tfm(req, state->arc4); + skcipher_request_set_callback(req, 0, NULL, NULL); get_new_key_from_sha(state); if (!initial_key) { - crypto_blkcipher_setkey(state->arc4, state->sha1_digest, - state->keylen); + crypto_skcipher_setkey(state->arc4, state->sha1_digest, + state->keylen); sg_init_table(sg_in, 1); sg_init_table(sg_out, 1); setup_sg(sg_in, state->sha1_digest, state->keylen); setup_sg(sg_out, state->session_key, state->keylen); - if (crypto_blkcipher_encrypt(&desc, sg_out, sg_in, - state->keylen) != 0) { + skcipher_request_set_crypt(req, sg_in, sg_out, state->keylen, + NULL); + if (crypto_skcipher_encrypt(req)) printk(KERN_WARNING "mppe_rekey: cipher_encrypt failed\n"); - } } else { memcpy(state->session_key, state->sha1_digest, state->keylen); } @@ -184,7 +190,8 @@ static void mppe_rekey(struct ppp_mppe_state * state, int initial_key) state->session_key[1] = 0x26; state->session_key[2] = 0x9e; } - crypto_blkcipher_setkey(state->arc4, state->session_key, state->keylen); + crypto_skcipher_setkey(state->arc4, state->session_key, state->keylen); + skcipher_request_zero(req); } /* @@ -204,19 +211,19 @@ static void *mppe_alloc(unsigned char *options, int optlen) goto out; - state->arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + state->arc4 = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(state->arc4)) { state->arc4 = NULL; goto out_free; } - state->sha1 = crypto_alloc_hash("sha1", 0, CRYPTO_ALG_ASYNC); + state->sha1 = crypto_alloc_ahash("sha1", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(state->sha1)) { state->sha1 = NULL; goto out_free; } - digestsize = crypto_hash_digestsize(state->sha1); + digestsize = crypto_ahash_digestsize(state->sha1); if (digestsize < MPPE_MAX_KEY_LEN) goto out_free; @@ -237,15 +244,12 @@ static void *mppe_alloc(unsigned char *options, int optlen) return (void *)state; - out_free: - if (state->sha1_digest) - kfree(state->sha1_digest); - if (state->sha1) - crypto_free_hash(state->sha1); - if (state->arc4) - crypto_free_blkcipher(state->arc4); - kfree(state); - out: +out_free: + kfree(state->sha1_digest); + crypto_free_ahash(state->sha1); + crypto_free_skcipher(state->arc4); + kfree(state); +out: return NULL; } @@ -256,13 +260,10 @@ static void mppe_free(void *arg) { struct ppp_mppe_state *state = (struct ppp_mppe_state *) arg; if (state) { - if (state->sha1_digest) kfree(state->sha1_digest); - if (state->sha1) - crypto_free_hash(state->sha1); - if (state->arc4) - crypto_free_blkcipher(state->arc4); - kfree(state); + crypto_free_ahash(state->sha1); + crypto_free_skcipher(state->arc4); + kfree(state); } } @@ -368,8 +369,9 @@ mppe_compress(void *arg, unsigned char *ibuf, unsigned char *obuf, int isize, int osize) { struct ppp_mppe_state *state = (struct ppp_mppe_state *) arg; - struct blkcipher_desc desc = { .tfm = state->arc4 }; + SKCIPHER_REQUEST_ON_STACK(req, state->arc4); int proto; + int err; struct scatterlist sg_in[1], sg_out[1]; /* @@ -426,7 +428,13 @@ mppe_compress(void *arg, unsigned char *ibuf, unsigned char *obuf, sg_init_table(sg_out, 1); setup_sg(sg_in, ibuf, isize); setup_sg(sg_out, obuf, osize); - if (crypto_blkcipher_encrypt(&desc, sg_out, sg_in, isize) != 0) { + + skcipher_request_set_tfm(req, state->arc4); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg_in, sg_out, isize, NULL); + err = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); + if (err) { printk(KERN_DEBUG "crypto_cypher_encrypt failed\n"); return -1; } @@ -475,7 +483,7 @@ mppe_decompress(void *arg, unsigned char *ibuf, int isize, unsigned char *obuf, int osize) { struct ppp_mppe_state *state = (struct ppp_mppe_state *) arg; - struct blkcipher_desc desc = { .tfm = state->arc4 }; + SKCIPHER_REQUEST_ON_STACK(req, state->arc4); unsigned ccount; int flushed = MPPE_BITS(ibuf) & MPPE_BIT_FLUSHED; struct scatterlist sg_in[1], sg_out[1]; @@ -609,9 +617,14 @@ mppe_decompress(void *arg, unsigned char *ibuf, int isize, unsigned char *obuf, sg_init_table(sg_out, 1); setup_sg(sg_in, ibuf, 1); setup_sg(sg_out, obuf, 1); - if (crypto_blkcipher_decrypt(&desc, sg_out, sg_in, 1) != 0) { + + skcipher_request_set_tfm(req, state->arc4); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg_in, sg_out, 1, NULL); + if (crypto_skcipher_decrypt(req)) { printk(KERN_DEBUG "crypto_cypher_decrypt failed\n"); - return DECOMP_ERROR; + osize = DECOMP_ERROR; + goto out_zap_req; } /* @@ -629,9 +642,11 @@ mppe_decompress(void *arg, unsigned char *ibuf, int isize, unsigned char *obuf, /* And finally, decrypt the rest of the packet. */ setup_sg(sg_in, ibuf + 1, isize - 1); setup_sg(sg_out, obuf + 1, osize - 1); - if (crypto_blkcipher_decrypt(&desc, sg_out, sg_in, isize - 1)) { + skcipher_request_set_crypt(req, sg_in, sg_out, isize - 1, NULL); + if (crypto_skcipher_decrypt(req)) { printk(KERN_DEBUG "crypto_cypher_decrypt failed\n"); - return DECOMP_ERROR; + osize = DECOMP_ERROR; + goto out_zap_req; } state->stats.unc_bytes += osize; @@ -642,6 +657,8 @@ mppe_decompress(void *arg, unsigned char *ibuf, int isize, unsigned char *obuf, /* good packet credit */ state->sanity_errors >>= 1; +out_zap_req: + skcipher_request_zero(req); return osize; sanity_error: @@ -714,8 +731,8 @@ static struct compressor ppp_mppe = { static int __init ppp_mppe_init(void) { int answer; - if (!(crypto_has_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC) && - crypto_has_hash("sha1", 0, CRYPTO_ALG_ASYNC))) + if (!(crypto_has_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC) && + crypto_has_ahash("sha1", 0, CRYPTO_ALG_ASYNC))) return -ENODEV; sha_pad = kmalloc(sizeof(struct sha_pad), GFP_KERNEL); diff --git a/drivers/net/wireless/intersil/orinoco/mic.c b/drivers/net/wireless/intersil/orinoco/mic.c index fce4a84..bc7397d 100644 --- a/drivers/net/wireless/intersil/orinoco/mic.c +++ b/drivers/net/wireless/intersil/orinoco/mic.c @@ -6,7 +6,7 @@ #include <linux/string.h> #include <linux/if_ether.h> #include <linux/scatterlist.h> -#include <linux/crypto.h> +#include <crypto/hash.h> #include "orinoco.h" #include "mic.h" @@ -16,7 +16,8 @@ /********************************************************************/ int orinoco_mic_init(struct orinoco_private *priv) { - priv->tx_tfm_mic = crypto_alloc_hash("michael_mic", 0, 0); + priv->tx_tfm_mic = crypto_alloc_ahash("michael_mic", 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm_mic)) { printk(KERN_DEBUG "orinoco_mic_init: could not allocate " "crypto API michael_mic\n"); @@ -24,7 +25,8 @@ int orinoco_mic_init(struct orinoco_private *priv) return -ENOMEM; } - priv->rx_tfm_mic = crypto_alloc_hash("michael_mic", 0, 0); + priv->rx_tfm_mic = crypto_alloc_ahash("michael_mic", 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm_mic)) { printk(KERN_DEBUG "orinoco_mic_init: could not allocate " "crypto API michael_mic\n"); @@ -38,18 +40,19 @@ int orinoco_mic_init(struct orinoco_private *priv) void orinoco_mic_free(struct orinoco_private *priv) { if (priv->tx_tfm_mic) - crypto_free_hash(priv->tx_tfm_mic); + crypto_free_ahash(priv->tx_tfm_mic); if (priv->rx_tfm_mic) - crypto_free_hash(priv->rx_tfm_mic); + crypto_free_ahash(priv->rx_tfm_mic); } -int orinoco_mic(struct crypto_hash *tfm_michael, u8 *key, +int orinoco_mic(struct crypto_ahash *tfm_michael, u8 *key, u8 *da, u8 *sa, u8 priority, u8 *data, size_t data_len, u8 *mic) { - struct hash_desc desc; + AHASH_REQUEST_ON_STACK(req, tfm_michael); struct scatterlist sg[2]; u8 hdr[ETH_HLEN + 2]; /* size of header + padding */ + int err; if (tfm_michael == NULL) { printk(KERN_WARNING "orinoco_mic: tfm_michael == NULL\n"); @@ -69,11 +72,13 @@ int orinoco_mic(struct crypto_hash *tfm_michael, u8 *key, sg_set_buf(&sg[0], hdr, sizeof(hdr)); sg_set_buf(&sg[1], data, data_len); - if (crypto_hash_setkey(tfm_michael, key, MIC_KEYLEN)) + if (crypto_ahash_setkey(tfm_michael, key, MIC_KEYLEN)) return -1; - desc.tfm = tfm_michael; - desc.flags = 0; - return crypto_hash_digest(&desc, sg, data_len + sizeof(hdr), - mic); + ahash_request_set_tfm(req, tfm_michael); + ahash_request_set_callback(req, 0, NULL, NULL); + ahash_request_set_crypt(req, sg, mic, data_len + sizeof(hdr)); + err = crypto_ahash_digest(req); + ahash_request_zero(req); + return err; } diff --git a/drivers/net/wireless/intersil/orinoco/mic.h b/drivers/net/wireless/intersil/orinoco/mic.h index 04d05bc..ce731d0 100644 --- a/drivers/net/wireless/intersil/orinoco/mic.h +++ b/drivers/net/wireless/intersil/orinoco/mic.h @@ -11,11 +11,11 @@ /* Forward declarations */ struct orinoco_private; -struct crypto_hash; +struct crypto_ahash; int orinoco_mic_init(struct orinoco_private *priv); void orinoco_mic_free(struct orinoco_private *priv); -int orinoco_mic(struct crypto_hash *tfm_michael, u8 *key, +int orinoco_mic(struct crypto_ahash *tfm_michael, u8 *key, u8 *da, u8 *sa, u8 priority, u8 *data, size_t data_len, u8 *mic); diff --git a/drivers/net/wireless/intersil/orinoco/orinoco.h b/drivers/net/wireless/intersil/orinoco/orinoco.h index eebd2be..2f0c84b 100644 --- a/drivers/net/wireless/intersil/orinoco/orinoco.h +++ b/drivers/net/wireless/intersil/orinoco/orinoco.h @@ -152,8 +152,8 @@ struct orinoco_private { u8 *wpa_ie; int wpa_ie_len; - struct crypto_hash *rx_tfm_mic; - struct crypto_hash *tx_tfm_mic; + struct crypto_ahash *rx_tfm_mic; + struct crypto_ahash *tx_tfm_mic; unsigned int wpa_enabled:1; unsigned int tkip_cm_active:1; diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c index 64a9025..5f97da1 100644 --- a/drivers/nfc/s3fwrn5/firmware.c +++ b/drivers/nfc/s3fwrn5/firmware.c @@ -19,7 +19,7 @@ #include <linux/completion.h> #include <linux/firmware.h> -#include <linux/crypto.h> +#include <crypto/hash.h> #include <crypto/sha.h> #include "s3fwrn5.h" @@ -429,8 +429,7 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info) { struct s3fwrn5_fw_image *fw = &fw_info->fw; u8 hash_data[SHA1_DIGEST_SIZE]; - struct scatterlist sg; - struct hash_desc desc; + struct crypto_shash *tfm; u32 image_size, off; int ret; @@ -438,12 +437,31 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info) /* Compute SHA of firmware data */ - sg_init_one(&sg, fw->image, image_size); - desc.tfm = crypto_alloc_hash("sha1", 0, CRYPTO_ALG_ASYNC); - crypto_hash_init(&desc); - crypto_hash_update(&desc, &sg, image_size); - crypto_hash_final(&desc, hash_data); - crypto_free_hash(desc.tfm); + tfm = crypto_alloc_shash("sha1", 0, 0); + if (IS_ERR(tfm)) { + ret = PTR_ERR(tfm); + dev_err(&fw_info->ndev->nfc_dev->dev, + "Cannot allocate shash (code=%d)\n", ret); + goto out; + } + + { + SHASH_DESC_ON_STACK(desc, tfm); + + desc->tfm = tfm; + desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; + + ret = crypto_shash_digest(desc, fw->image, image_size, + hash_data); + shash_desc_zero(desc); + } + + crypto_free_shash(tfm); + if (ret) { + dev_err(&fw_info->ndev->nfc_dev->dev, + "Cannot compute hash (code=%d)\n", ret); + goto out; + } /* Firmware update process */ diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 0b8af18..2e4c82f 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -26,12 +26,12 @@ * Zhenyu Wang */ +#include <crypto/hash.h> #include <linux/types.h> #include <linux/inet.h> #include <linux/slab.h> #include <linux/file.h> #include <linux/blkdev.h> -#include <linux/crypto.h> #include <linux/delay.h> #include <linux/kfifo.h> #include <linux/scatterlist.h> @@ -428,7 +428,7 @@ static void iscsi_sw_tcp_send_hdr_prep(struct iscsi_conn *conn, void *hdr, * sufficient room. */ if (conn->hdrdgst_en) { - iscsi_tcp_dgst_header(&tcp_sw_conn->tx_hash, hdr, hdrlen, + iscsi_tcp_dgst_header(tcp_sw_conn->tx_hash, hdr, hdrlen, hdr + hdrlen); hdrlen += ISCSI_DIGEST_SIZE; } @@ -454,7 +454,7 @@ iscsi_sw_tcp_send_data_prep(struct iscsi_conn *conn, struct scatterlist *sg, { struct iscsi_tcp_conn *tcp_conn = conn->dd_data; struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data; - struct hash_desc *tx_hash = NULL; + struct ahash_request *tx_hash = NULL; unsigned int hdr_spec_len; ISCSI_SW_TCP_DBG(conn, "offset=%d, datalen=%d %s\n", offset, len, @@ -467,7 +467,7 @@ iscsi_sw_tcp_send_data_prep(struct iscsi_conn *conn, struct scatterlist *sg, WARN_ON(iscsi_padded(len) != iscsi_padded(hdr_spec_len)); if (conn->datadgst_en) - tx_hash = &tcp_sw_conn->tx_hash; + tx_hash = tcp_sw_conn->tx_hash; return iscsi_segment_seek_sg(&tcp_sw_conn->out.data_segment, sg, count, offset, len, @@ -480,7 +480,7 @@ iscsi_sw_tcp_send_linear_data_prep(struct iscsi_conn *conn, void *data, { struct iscsi_tcp_conn *tcp_conn = conn->dd_data; struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data; - struct hash_desc *tx_hash = NULL; + struct ahash_request *tx_hash = NULL; unsigned int hdr_spec_len; ISCSI_SW_TCP_DBG(conn, "datalen=%zd %s\n", len, conn->datadgst_en ? @@ -492,7 +492,7 @@ iscsi_sw_tcp_send_linear_data_prep(struct iscsi_conn *conn, void *data, WARN_ON(iscsi_padded(len) != iscsi_padded(hdr_spec_len)); if (conn->datadgst_en) - tx_hash = &tcp_sw_conn->tx_hash; + tx_hash = tcp_sw_conn->tx_hash; iscsi_segment_init_linear(&tcp_sw_conn->out.data_segment, data, len, NULL, tx_hash); @@ -543,6 +543,7 @@ iscsi_sw_tcp_conn_create(struct iscsi_cls_session *cls_session, struct iscsi_cls_conn *cls_conn; struct iscsi_tcp_conn *tcp_conn; struct iscsi_sw_tcp_conn *tcp_sw_conn; + struct crypto_ahash *tfm; cls_conn = iscsi_tcp_conn_setup(cls_session, sizeof(*tcp_sw_conn), conn_idx); @@ -552,23 +553,28 @@ iscsi_sw_tcp_conn_create(struct iscsi_cls_session *cls_session, tcp_conn = conn->dd_data; tcp_sw_conn = tcp_conn->dd_data; - tcp_sw_conn->tx_hash.tfm = crypto_alloc_hash("crc32c", 0, - CRYPTO_ALG_ASYNC); - tcp_sw_conn->tx_hash.flags = 0; - if (IS_ERR(tcp_sw_conn->tx_hash.tfm)) + tfm = crypto_alloc_ahash("crc32c", 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(tfm)) goto free_conn; - tcp_sw_conn->rx_hash.tfm = crypto_alloc_hash("crc32c", 0, - CRYPTO_ALG_ASYNC); - tcp_sw_conn->rx_hash.flags = 0; - if (IS_ERR(tcp_sw_conn->rx_hash.tfm)) - goto free_tx_tfm; - tcp_conn->rx_hash = &tcp_sw_conn->rx_hash; + tcp_sw_conn->tx_hash = ahash_request_alloc(tfm, GFP_KERNEL); + if (!tcp_sw_conn->tx_hash) + goto free_tfm; + ahash_request_set_callback(tcp_sw_conn->tx_hash, 0, NULL, NULL); + + tcp_sw_conn->rx_hash = ahash_request_alloc(tfm, GFP_KERNEL); + if (!tcp_sw_conn->rx_hash) + goto free_tx_hash; + ahash_request_set_callback(tcp_sw_conn->rx_hash, 0, NULL, NULL); + + tcp_conn->rx_hash = tcp_sw_conn->rx_hash; return cls_conn; -free_tx_tfm: - crypto_free_hash(tcp_sw_conn->tx_hash.tfm); +free_tx_hash: + ahash_request_free(tcp_sw_conn->tx_hash); +free_tfm: + crypto_free_ahash(tfm); free_conn: iscsi_conn_printk(KERN_ERR, conn, "Could not create connection due to crc32c " @@ -607,10 +613,14 @@ static void iscsi_sw_tcp_conn_destroy(struct iscsi_cls_conn *cls_conn) iscsi_sw_tcp_release_conn(conn); - if (tcp_sw_conn->tx_hash.tfm) - crypto_free_hash(tcp_sw_conn->tx_hash.tfm); - if (tcp_sw_conn->rx_hash.tfm) - crypto_free_hash(tcp_sw_conn->rx_hash.tfm); + ahash_request_free(tcp_sw_conn->rx_hash); + if (tcp_sw_conn->tx_hash) { + struct crypto_ahash *tfm; + + tfm = crypto_ahash_reqtfm(tcp_sw_conn->tx_hash); + ahash_request_free(tcp_sw_conn->tx_hash); + crypto_free_ahash(tfm); + } iscsi_tcp_conn_teardown(cls_conn); } diff --git a/drivers/scsi/iscsi_tcp.h b/drivers/scsi/iscsi_tcp.h index f42ecb23..06d42d0 100644 --- a/drivers/scsi/iscsi_tcp.h +++ b/drivers/scsi/iscsi_tcp.h @@ -45,8 +45,8 @@ struct iscsi_sw_tcp_conn { void (*old_write_space)(struct sock *); /* data and header digests */ - struct hash_desc tx_hash; /* CRC32C (Tx) */ - struct hash_desc rx_hash; /* CRC32C (Rx) */ + struct ahash_request *tx_hash; /* CRC32C (Tx) */ + struct ahash_request *rx_hash; /* CRC32C (Rx) */ /* MIB custom statistics */ uint32_t sendpage_failures_cnt; diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c index 60cb6dc..63a1d69 100644 --- a/drivers/scsi/libiscsi_tcp.c +++ b/drivers/scsi/libiscsi_tcp.c @@ -26,13 +26,13 @@ * Zhenyu Wang */ +#include <crypto/hash.h> #include <linux/types.h> #include <linux/list.h> #include <linux/inet.h> #include <linux/slab.h> #include <linux/file.h> #include <linux/blkdev.h> -#include <linux/crypto.h> #include <linux/delay.h> #include <linux/kfifo.h> #include <linux/scatterlist.h> @@ -214,7 +214,8 @@ int iscsi_tcp_segment_done(struct iscsi_tcp_conn *tcp_conn, } else sg_init_one(&sg, segment->data + segment->copied, copied); - crypto_hash_update(segment->hash, &sg, copied); + ahash_request_set_crypt(segment->hash, &sg, NULL, copied); + crypto_ahash_update(segment->hash); } segment->copied += copied; @@ -260,7 +261,9 @@ int iscsi_tcp_segment_done(struct iscsi_tcp_conn *tcp_conn, * is completely handled in hdr done function. */ if (segment->hash) { - crypto_hash_final(segment->hash, segment->digest); + ahash_request_set_crypt(segment->hash, NULL, + segment->digest, 0); + crypto_ahash_final(segment->hash); iscsi_tcp_segment_splice_digest(segment, recv ? segment->recv_digest : segment->digest); return 0; @@ -310,13 +313,14 @@ iscsi_tcp_segment_recv(struct iscsi_tcp_conn *tcp_conn, } inline void -iscsi_tcp_dgst_header(struct hash_desc *hash, const void *hdr, size_t hdrlen, - unsigned char digest[ISCSI_DIGEST_SIZE]) +iscsi_tcp_dgst_header(struct ahash_request *hash, const void *hdr, + size_t hdrlen, unsigned char digest[ISCSI_DIGEST_SIZE]) { struct scatterlist sg; sg_init_one(&sg, hdr, hdrlen); - crypto_hash_digest(hash, &sg, hdrlen, digest); + ahash_request_set_crypt(hash, &sg, digest, hdrlen); + crypto_ahash_digest(hash); } EXPORT_SYMBOL_GPL(iscsi_tcp_dgst_header); @@ -341,7 +345,7 @@ iscsi_tcp_dgst_verify(struct iscsi_tcp_conn *tcp_conn, */ static inline void __iscsi_segment_init(struct iscsi_segment *segment, size_t size, - iscsi_segment_done_fn_t *done, struct hash_desc *hash) + iscsi_segment_done_fn_t *done, struct ahash_request *hash) { memset(segment, 0, sizeof(*segment)); segment->total_size = size; @@ -349,14 +353,14 @@ __iscsi_segment_init(struct iscsi_segment *segment, size_t size, if (hash) { segment->hash = hash; - crypto_hash_init(hash); + crypto_ahash_init(hash); } } inline void iscsi_segment_init_linear(struct iscsi_segment *segment, void *data, size_t size, iscsi_segment_done_fn_t *done, - struct hash_desc *hash) + struct ahash_request *hash) { __iscsi_segment_init(segment, size, done, hash); segment->data = data; @@ -368,7 +372,8 @@ inline int iscsi_segment_seek_sg(struct iscsi_segment *segment, struct scatterlist *sg_list, unsigned int sg_count, unsigned int offset, size_t size, - iscsi_segment_done_fn_t *done, struct hash_desc *hash) + iscsi_segment_done_fn_t *done, + struct ahash_request *hash) { struct scatterlist *sg; unsigned int i; @@ -431,7 +436,7 @@ static void iscsi_tcp_data_recv_prep(struct iscsi_tcp_conn *tcp_conn) { struct iscsi_conn *conn = tcp_conn->iscsi_conn; - struct hash_desc *rx_hash = NULL; + struct ahash_request *rx_hash = NULL; if (conn->datadgst_en && !(conn->session->tt->caps & CAP_DIGEST_OFFLOAD)) @@ -686,7 +691,7 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr) if (tcp_conn->in.datalen) { struct iscsi_tcp_task *tcp_task = task->dd_data; - struct hash_desc *rx_hash = NULL; + struct ahash_request *rx_hash = NULL; struct scsi_data_buffer *sdb = scsi_in(task->sc); /* diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-crypto.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-crypto.c index 079d50e..94c01aa 100644 --- a/drivers/staging/lustre/lustre/libcfs/linux/linux-crypto.c +++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-crypto.c @@ -27,7 +27,7 @@ * Copyright (c) 2012, Intel Corporation. */ -#include <linux/crypto.h> +#include <crypto/hash.h> #include <linux/scatterlist.h> #include "../../../include/linux/libcfs/libcfs.h" #include "linux-crypto.h" @@ -38,9 +38,11 @@ static int cfs_crypto_hash_speeds[CFS_HASH_ALG_MAX]; static int cfs_crypto_hash_alloc(unsigned char alg_id, const struct cfs_crypto_hash_type **type, - struct hash_desc *desc, unsigned char *key, + struct ahash_request **req, + unsigned char *key, unsigned int key_len) { + struct crypto_ahash *tfm; int err = 0; *type = cfs_crypto_hash_type(alg_id); @@ -50,18 +52,23 @@ static int cfs_crypto_hash_alloc(unsigned char alg_id, alg_id, CFS_HASH_ALG_MAX); return -EINVAL; } - desc->tfm = crypto_alloc_hash((*type)->cht_name, 0, 0); + tfm = crypto_alloc_ahash((*type)->cht_name, 0, CRYPTO_ALG_ASYNC); - if (desc->tfm == NULL) - return -EINVAL; - - if (IS_ERR(desc->tfm)) { + if (IS_ERR(tfm)) { CDEBUG(D_INFO, "Failed to alloc crypto hash %s\n", (*type)->cht_name); - return PTR_ERR(desc->tfm); + return PTR_ERR(tfm); } - desc->flags = 0; + *req = ahash_request_alloc(tfm, GFP_KERNEL); + if (!*req) { + CDEBUG(D_INFO, "Failed to alloc ahash_request for %s\n", + (*type)->cht_name); + crypto_free_ahash(tfm); + return -ENOMEM; + } + + ahash_request_set_callback(*req, 0, NULL, NULL); /** Shash have different logic for initialization then digest * shash: crypto_hash_setkey, crypto_hash_init @@ -70,23 +77,27 @@ static int cfs_crypto_hash_alloc(unsigned char alg_id, * cfs_crypto_hash_alloc. */ if (key != NULL) - err = crypto_hash_setkey(desc->tfm, key, key_len); + err = crypto_ahash_setkey(tfm, key, key_len); else if ((*type)->cht_key != 0) - err = crypto_hash_setkey(desc->tfm, + err = crypto_ahash_setkey(tfm, (unsigned char *)&((*type)->cht_key), (*type)->cht_size); if (err != 0) { - crypto_free_hash(desc->tfm); + crypto_free_ahash(tfm); return err; } CDEBUG(D_INFO, "Using crypto hash: %s (%s) speed %d MB/s\n", - (crypto_hash_tfm(desc->tfm))->__crt_alg->cra_name, - (crypto_hash_tfm(desc->tfm))->__crt_alg->cra_driver_name, + crypto_ahash_alg_name(tfm), crypto_ahash_driver_name(tfm), cfs_crypto_hash_speeds[alg_id]); - return crypto_hash_init(desc); + err = crypto_ahash_init(*req); + if (err) { + ahash_request_free(*req); + crypto_free_ahash(tfm); + } + return err; } int cfs_crypto_hash_digest(unsigned char alg_id, @@ -95,27 +106,29 @@ int cfs_crypto_hash_digest(unsigned char alg_id, unsigned char *hash, unsigned int *hash_len) { struct scatterlist sl; - struct hash_desc hdesc; + struct ahash_request *req; int err; const struct cfs_crypto_hash_type *type; if (buf == NULL || buf_len == 0 || hash_len == NULL) return -EINVAL; - err = cfs_crypto_hash_alloc(alg_id, &type, &hdesc, key, key_len); + err = cfs_crypto_hash_alloc(alg_id, &type, &req, key, key_len); if (err != 0) return err; if (hash == NULL || *hash_len < type->cht_size) { *hash_len = type->cht_size; - crypto_free_hash(hdesc.tfm); + crypto_free_ahash(crypto_ahash_reqtfm(req)); + ahash_request_free(req); return -ENOSPC; } sg_init_one(&sl, buf, buf_len); - hdesc.flags = 0; - err = crypto_hash_digest(&hdesc, &sl, sl.length, hash); - crypto_free_hash(hdesc.tfm); + ahash_request_set_crypt(req, &sl, hash, sl.length); + err = crypto_ahash_digest(req); + crypto_free_ahash(crypto_ahash_reqtfm(req)); + ahash_request_free(req); return err; } @@ -125,22 +138,15 @@ struct cfs_crypto_hash_desc * cfs_crypto_hash_init(unsigned char alg_id, unsigned char *key, unsigned int key_len) { - - struct hash_desc *hdesc; + struct ahash_request *req; int err; const struct cfs_crypto_hash_type *type; - hdesc = kmalloc(sizeof(*hdesc), 0); - if (hdesc == NULL) - return ERR_PTR(-ENOMEM); + err = cfs_crypto_hash_alloc(alg_id, &type, &req, key, key_len); - err = cfs_crypto_hash_alloc(alg_id, &type, hdesc, key, key_len); - - if (err) { - kfree(hdesc); + if (err) return ERR_PTR(err); - } - return (struct cfs_crypto_hash_desc *)hdesc; + return (struct cfs_crypto_hash_desc *)req; } EXPORT_SYMBOL(cfs_crypto_hash_init); @@ -148,23 +154,27 @@ int cfs_crypto_hash_update_page(struct cfs_crypto_hash_desc *hdesc, struct page *page, unsigned int offset, unsigned int len) { + struct ahash_request *req = (void *)hdesc; struct scatterlist sl; sg_init_table(&sl, 1); sg_set_page(&sl, page, len, offset & ~CFS_PAGE_MASK); - return crypto_hash_update((struct hash_desc *)hdesc, &sl, sl.length); + ahash_request_set_crypt(req, &sl, NULL, sl.length); + return crypto_ahash_update(req); } EXPORT_SYMBOL(cfs_crypto_hash_update_page); int cfs_crypto_hash_update(struct cfs_crypto_hash_desc *hdesc, const void *buf, unsigned int buf_len) { + struct ahash_request *req = (void *)hdesc; struct scatterlist sl; sg_init_one(&sl, buf, buf_len); - return crypto_hash_update((struct hash_desc *)hdesc, &sl, sl.length); + ahash_request_set_crypt(req, &sl, NULL, sl.length); + return crypto_ahash_update(req); } EXPORT_SYMBOL(cfs_crypto_hash_update); @@ -173,25 +183,27 @@ int cfs_crypto_hash_final(struct cfs_crypto_hash_desc *hdesc, unsigned char *hash, unsigned int *hash_len) { int err; - int size = crypto_hash_digestsize(((struct hash_desc *)hdesc)->tfm); + struct ahash_request *req = (void *)hdesc; + int size = crypto_ahash_digestsize(crypto_ahash_reqtfm(req)); if (hash_len == NULL) { - crypto_free_hash(((struct hash_desc *)hdesc)->tfm); - kfree(hdesc); + crypto_free_ahash(crypto_ahash_reqtfm(req)); + ahash_request_free(req); return 0; } if (hash == NULL || *hash_len < size) { *hash_len = size; return -ENOSPC; } - err = crypto_hash_final((struct hash_desc *) hdesc, hash); + ahash_request_set_crypt(req, NULL, hash, 0); + err = crypto_ahash_final(req); if (err < 0) { /* May be caller can fix error */ return err; } - crypto_free_hash(((struct hash_desc *)hdesc)->tfm); - kfree(hdesc); + crypto_free_ahash(crypto_ahash_reqtfm(req)); + ahash_request_free(req); return err; } EXPORT_SYMBOL(cfs_crypto_hash_final); diff --git a/drivers/staging/rtl8192e/rtllib_crypt_tkip.c b/drivers/staging/rtl8192e/rtllib_crypt_tkip.c index 2096d78..8eac7cd 100644 --- a/drivers/staging/rtl8192e/rtllib_crypt_tkip.c +++ b/drivers/staging/rtl8192e/rtllib_crypt_tkip.c @@ -9,6 +9,8 @@ * more details. */ +#include <crypto/hash.h> +#include <crypto/skcipher.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -18,7 +20,6 @@ #include <linux/if_ether.h> #include <linux/if_arp.h> #include <linux/string.h> -#include <linux/crypto.h> #include <linux/scatterlist.h> #include <linux/crc32.h> #include <linux/etherdevice.h> @@ -48,10 +49,10 @@ struct rtllib_tkip_data { u32 dot11RSNAStatsTKIPLocalMICFailures; int key_idx; - struct crypto_blkcipher *rx_tfm_arc4; - struct crypto_hash *rx_tfm_michael; - struct crypto_blkcipher *tx_tfm_arc4; - struct crypto_hash *tx_tfm_michael; + struct crypto_skcipher *rx_tfm_arc4; + struct crypto_ahash *rx_tfm_michael; + struct crypto_skcipher *tx_tfm_arc4; + struct crypto_ahash *tx_tfm_michael; /* scratch buffers for virt_to_page() (crypto API) */ u8 rx_hdr[16]; u8 tx_hdr[16]; @@ -65,32 +66,32 @@ static void *rtllib_tkip_init(int key_idx) if (priv == NULL) goto fail; priv->key_idx = key_idx; - priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, - CRYPTO_ALG_ASYNC); + priv->tx_tfm_arc4 = crypto_alloc_skcipher("ecb(arc4)", 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm_arc4)) { pr_debug("Could not allocate crypto API arc4\n"); priv->tx_tfm_arc4 = NULL; goto fail; } - priv->tx_tfm_michael = crypto_alloc_hash("michael_mic", 0, - CRYPTO_ALG_ASYNC); + priv->tx_tfm_michael = crypto_alloc_ahash("michael_mic", 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm_michael)) { pr_debug("Could not allocate crypto API michael_mic\n"); priv->tx_tfm_michael = NULL; goto fail; } - priv->rx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, - CRYPTO_ALG_ASYNC); + priv->rx_tfm_arc4 = crypto_alloc_skcipher("ecb(arc4)", 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm_arc4)) { pr_debug("Could not allocate crypto API arc4\n"); priv->rx_tfm_arc4 = NULL; goto fail; } - priv->rx_tfm_michael = crypto_alloc_hash("michael_mic", 0, - CRYPTO_ALG_ASYNC); + priv->rx_tfm_michael = crypto_alloc_ahash("michael_mic", 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm_michael)) { pr_debug("Could not allocate crypto API michael_mic\n"); priv->rx_tfm_michael = NULL; @@ -100,14 +101,10 @@ static void *rtllib_tkip_init(int key_idx) fail: if (priv) { - if (priv->tx_tfm_michael) - crypto_free_hash(priv->tx_tfm_michael); - if (priv->tx_tfm_arc4) - crypto_free_blkcipher(priv->tx_tfm_arc4); - if (priv->rx_tfm_michael) - crypto_free_hash(priv->rx_tfm_michael); - if (priv->rx_tfm_arc4) - crypto_free_blkcipher(priv->rx_tfm_arc4); + crypto_free_ahash(priv->tx_tfm_michael); + crypto_free_skcipher(priv->tx_tfm_arc4); + crypto_free_ahash(priv->rx_tfm_michael); + crypto_free_skcipher(priv->rx_tfm_arc4); kfree(priv); } @@ -120,14 +117,10 @@ static void rtllib_tkip_deinit(void *priv) struct rtllib_tkip_data *_priv = priv; if (_priv) { - if (_priv->tx_tfm_michael) - crypto_free_hash(_priv->tx_tfm_michael); - if (_priv->tx_tfm_arc4) - crypto_free_blkcipher(_priv->tx_tfm_arc4); - if (_priv->rx_tfm_michael) - crypto_free_hash(_priv->rx_tfm_michael); - if (_priv->rx_tfm_arc4) - crypto_free_blkcipher(_priv->rx_tfm_arc4); + crypto_free_ahash(_priv->tx_tfm_michael); + crypto_free_skcipher(_priv->tx_tfm_arc4); + crypto_free_ahash(_priv->rx_tfm_michael); + crypto_free_skcipher(_priv->rx_tfm_arc4); } kfree(priv); } @@ -301,7 +294,6 @@ static int rtllib_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) struct rtllib_hdr_4addr *hdr; struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - struct blkcipher_desc desc = {.tfm = tkey->tx_tfm_arc4}; int ret = 0; u8 rc4key[16], *icv; u32 crc; @@ -347,6 +339,8 @@ static int rtllib_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) *pos++ = (tkey->tx_iv32 >> 24) & 0xff; if (!tcb_desc->bHwSec) { + SKCIPHER_REQUEST_ON_STACK(req, tkey->tx_tfm_arc4); + icv = skb_put(skb, 4); crc = ~crc32_le(~0, pos, len); icv[0] = crc; @@ -357,8 +351,12 @@ static int rtllib_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) sg_init_one(&sg, pos, len+4); - crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16); - ret = crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4); + crypto_skcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16); + skcipher_request_set_tfm(req, tkey->tx_tfm_arc4); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, len + 4, NULL); + ret = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); } tkey->tx_iv16++; @@ -384,12 +382,12 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) struct rtllib_hdr_4addr *hdr; struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - struct blkcipher_desc desc = {.tfm = tkey->rx_tfm_arc4}; u8 rc4key[16]; u8 icv[4]; u32 crc; struct scatterlist sg; int plen; + int err; if (skb->len < hdr_len + 8 + 4) return -1; @@ -425,6 +423,8 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) pos += 8; if (!tcb_desc->bHwSec || (skb->cb[0] == 1)) { + SKCIPHER_REQUEST_ON_STACK(req, tkey->rx_tfm_arc4); + if ((iv32 < tkey->rx_iv32 || (iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) && tkey->initialized) { @@ -450,8 +450,13 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) sg_init_one(&sg, pos, plen+4); - crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16); - if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) { + crypto_skcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16); + skcipher_request_set_tfm(req, tkey->rx_tfm_arc4); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, plen + 4, NULL); + err = crypto_skcipher_decrypt(req); + skcipher_request_zero(req); + if (err) { if (net_ratelimit()) { netdev_dbg(skb->dev, "Failed to decrypt received packet from %pM\n", @@ -500,11 +505,12 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) } -static int michael_mic(struct crypto_hash *tfm_michael, u8 *key, u8 *hdr, +static int michael_mic(struct crypto_ahash *tfm_michael, u8 *key, u8 *hdr, u8 *data, size_t data_len, u8 *mic) { - struct hash_desc desc; + AHASH_REQUEST_ON_STACK(req, tfm_michael); struct scatterlist sg[2]; + int err; if (tfm_michael == NULL) { pr_warn("michael_mic: tfm_michael == NULL\n"); @@ -514,12 +520,15 @@ static int michael_mic(struct crypto_hash *tfm_michael, u8 *key, u8 *hdr, sg_set_buf(&sg[0], hdr, 16); sg_set_buf(&sg[1], data, data_len); - if (crypto_hash_setkey(tfm_michael, key, 8)) + if (crypto_ahash_setkey(tfm_michael, key, 8)) return -1; - desc.tfm = tfm_michael; - desc.flags = 0; - return crypto_hash_digest(&desc, sg, data_len + 16, mic); + ahash_request_set_tfm(req, tfm_michael); + ahash_request_set_callback(req, 0, NULL, NULL); + ahash_request_set_crypt(req, sg, mic, data_len + 16); + err = crypto_ahash_digest(req); + ahash_request_zero(req); + return err; } static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr) @@ -655,10 +664,10 @@ static int rtllib_tkip_set_key(void *key, int len, u8 *seq, void *priv) { struct rtllib_tkip_data *tkey = priv; int keyidx; - struct crypto_hash *tfm = tkey->tx_tfm_michael; - struct crypto_blkcipher *tfm2 = tkey->tx_tfm_arc4; - struct crypto_hash *tfm3 = tkey->rx_tfm_michael; - struct crypto_blkcipher *tfm4 = tkey->rx_tfm_arc4; + struct crypto_ahash *tfm = tkey->tx_tfm_michael; + struct crypto_skcipher *tfm2 = tkey->tx_tfm_arc4; + struct crypto_ahash *tfm3 = tkey->rx_tfm_michael; + struct crypto_skcipher *tfm4 = tkey->rx_tfm_arc4; keyidx = tkey->key_idx; memset(tkey, 0, sizeof(*tkey)); diff --git a/drivers/staging/rtl8192e/rtllib_crypt_wep.c b/drivers/staging/rtl8192e/rtllib_crypt_wep.c index 21d7eee..b3343a5 100644 --- a/drivers/staging/rtl8192e/rtllib_crypt_wep.c +++ b/drivers/staging/rtl8192e/rtllib_crypt_wep.c @@ -9,6 +9,7 @@ * more details. */ +#include <crypto/skcipher.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -17,8 +18,6 @@ #include <linux/string.h> #include "rtllib.h" -#include <linux/crypto.h> - #include <linux/scatterlist.h> #include <linux/crc32.h> @@ -28,8 +27,8 @@ struct prism2_wep_data { u8 key[WEP_KEY_LEN + 1]; u8 key_len; u8 key_idx; - struct crypto_blkcipher *tx_tfm; - struct crypto_blkcipher *rx_tfm; + struct crypto_skcipher *tx_tfm; + struct crypto_skcipher *rx_tfm; }; @@ -42,13 +41,13 @@ static void *prism2_wep_init(int keyidx) goto fail; priv->key_idx = keyidx; - priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + priv->tx_tfm = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm)) { pr_debug("rtllib_crypt_wep: could not allocate crypto API arc4\n"); priv->tx_tfm = NULL; goto fail; } - priv->rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + priv->rx_tfm = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm)) { pr_debug("rtllib_crypt_wep: could not allocate crypto API arc4\n"); priv->rx_tfm = NULL; @@ -62,10 +61,8 @@ static void *prism2_wep_init(int keyidx) fail: if (priv) { - if (priv->tx_tfm) - crypto_free_blkcipher(priv->tx_tfm); - if (priv->rx_tfm) - crypto_free_blkcipher(priv->rx_tfm); + crypto_free_skcipher(priv->tx_tfm); + crypto_free_skcipher(priv->rx_tfm); kfree(priv); } return NULL; @@ -77,10 +74,8 @@ static void prism2_wep_deinit(void *priv) struct prism2_wep_data *_priv = priv; if (_priv) { - if (_priv->tx_tfm) - crypto_free_blkcipher(_priv->tx_tfm); - if (_priv->rx_tfm) - crypto_free_blkcipher(_priv->rx_tfm); + crypto_free_skcipher(_priv->tx_tfm); + crypto_free_skcipher(_priv->rx_tfm); } kfree(priv); } @@ -99,10 +94,10 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) u8 *pos; struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - struct blkcipher_desc desc = {.tfm = wep->tx_tfm}; u32 crc; u8 *icv; struct scatterlist sg; + int err; if (skb_headroom(skb) < 4 || skb_tailroom(skb) < 4 || skb->len < hdr_len){ @@ -140,6 +135,7 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) memcpy(key + 3, wep->key, wep->key_len); if (!tcb_desc->bHwSec) { + SKCIPHER_REQUEST_ON_STACK(req, wep->tx_tfm); /* Append little-endian CRC32 and encrypt it to produce ICV */ crc = ~crc32_le(~0, pos, len); @@ -150,8 +146,13 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) icv[3] = crc >> 24; sg_init_one(&sg, pos, len+4); - crypto_blkcipher_setkey(wep->tx_tfm, key, klen); - return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4); + crypto_skcipher_setkey(wep->tx_tfm, key, klen); + skcipher_request_set_tfm(req, wep->tx_tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, len + 4, NULL); + err = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); + return err; } return 0; @@ -173,10 +174,10 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) u8 keyidx, *pos; struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - struct blkcipher_desc desc = {.tfm = wep->rx_tfm}; u32 crc; u8 icv[4]; struct scatterlist sg; + int err; if (skb->len < hdr_len + 8) return -1; @@ -198,9 +199,16 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) plen = skb->len - hdr_len - 8; if (!tcb_desc->bHwSec) { + SKCIPHER_REQUEST_ON_STACK(req, wep->rx_tfm); + sg_init_one(&sg, pos, plen+4); - crypto_blkcipher_setkey(wep->rx_tfm, key, klen); - if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) + crypto_skcipher_setkey(wep->rx_tfm, key, klen); + skcipher_request_set_tfm(req, wep->rx_tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, plen + 4, NULL); + err = crypto_skcipher_decrypt(req); + skcipher_request_zero(req); + if (err) return -7; crc = ~crc32_le(~0, pos, plen); icv[0] = crc; diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c index 908bc2e..6fa96d5 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c @@ -21,7 +21,8 @@ #include "ieee80211.h" -#include <linux/crypto.h> +#include <crypto/hash.h> +#include <crypto/skcipher.h> #include <linux/scatterlist.h> #include <linux/crc32.h> @@ -52,10 +53,10 @@ struct ieee80211_tkip_data { int key_idx; - struct crypto_blkcipher *rx_tfm_arc4; - struct crypto_hash *rx_tfm_michael; - struct crypto_blkcipher *tx_tfm_arc4; - struct crypto_hash *tx_tfm_michael; + struct crypto_skcipher *rx_tfm_arc4; + struct crypto_ahash *rx_tfm_michael; + struct crypto_skcipher *tx_tfm_arc4; + struct crypto_ahash *tx_tfm_michael; /* scratch buffers for virt_to_page() (crypto API) */ u8 rx_hdr[16], tx_hdr[16]; @@ -70,7 +71,7 @@ static void *ieee80211_tkip_init(int key_idx) goto fail; priv->key_idx = key_idx; - priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, + priv->tx_tfm_arc4 = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm_arc4)) { printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " @@ -79,7 +80,7 @@ static void *ieee80211_tkip_init(int key_idx) goto fail; } - priv->tx_tfm_michael = crypto_alloc_hash("michael_mic", 0, + priv->tx_tfm_michael = crypto_alloc_ahash("michael_mic", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm_michael)) { printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " @@ -88,7 +89,7 @@ static void *ieee80211_tkip_init(int key_idx) goto fail; } - priv->rx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, + priv->rx_tfm_arc4 = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm_arc4)) { printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " @@ -97,7 +98,7 @@ static void *ieee80211_tkip_init(int key_idx) goto fail; } - priv->rx_tfm_michael = crypto_alloc_hash("michael_mic", 0, + priv->rx_tfm_michael = crypto_alloc_ahash("michael_mic", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm_michael)) { printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " @@ -110,14 +111,10 @@ static void *ieee80211_tkip_init(int key_idx) fail: if (priv) { - if (priv->tx_tfm_michael) - crypto_free_hash(priv->tx_tfm_michael); - if (priv->tx_tfm_arc4) - crypto_free_blkcipher(priv->tx_tfm_arc4); - if (priv->rx_tfm_michael) - crypto_free_hash(priv->rx_tfm_michael); - if (priv->rx_tfm_arc4) - crypto_free_blkcipher(priv->rx_tfm_arc4); + crypto_free_ahash(priv->tx_tfm_michael); + crypto_free_skcipher(priv->tx_tfm_arc4); + crypto_free_ahash(priv->rx_tfm_michael); + crypto_free_skcipher(priv->rx_tfm_arc4); kfree(priv); } @@ -130,14 +127,10 @@ static void ieee80211_tkip_deinit(void *priv) struct ieee80211_tkip_data *_priv = priv; if (_priv) { - if (_priv->tx_tfm_michael) - crypto_free_hash(_priv->tx_tfm_michael); - if (_priv->tx_tfm_arc4) - crypto_free_blkcipher(_priv->tx_tfm_arc4); - if (_priv->rx_tfm_michael) - crypto_free_hash(_priv->rx_tfm_michael); - if (_priv->rx_tfm_arc4) - crypto_free_blkcipher(_priv->rx_tfm_arc4); + crypto_free_ahash(_priv->tx_tfm_michael); + crypto_free_skcipher(_priv->tx_tfm_arc4); + crypto_free_ahash(_priv->rx_tfm_michael); + crypto_free_skcipher(_priv->rx_tfm_arc4); } kfree(priv); } @@ -312,7 +305,6 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) u8 *pos; struct rtl_80211_hdr_4addr *hdr; cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - struct blkcipher_desc desc = {.tfm = tkey->tx_tfm_arc4}; int ret = 0; u8 rc4key[16], *icv; u32 crc; @@ -357,15 +349,21 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) *pos++ = (tkey->tx_iv32 >> 24) & 0xff; if (!tcb_desc->bHwSec) { + SKCIPHER_REQUEST_ON_STACK(req, tkey->tx_tfm_arc4); + icv = skb_put(skb, 4); crc = ~crc32_le(~0, pos, len); icv[0] = crc; icv[1] = crc >> 8; icv[2] = crc >> 16; icv[3] = crc >> 24; - crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16); + crypto_skcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16); sg_init_one(&sg, pos, len+4); - ret = crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4); + skcipher_request_set_tfm(req, tkey->tx_tfm_arc4); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, len + 4, NULL); + ret = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); } tkey->tx_iv16++; @@ -390,12 +388,12 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) u16 iv16; struct rtl_80211_hdr_4addr *hdr; cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - struct blkcipher_desc desc = {.tfm = tkey->rx_tfm_arc4}; u8 rc4key[16]; u8 icv[4]; u32 crc; struct scatterlist sg; int plen; + int err; if (skb->len < hdr_len + 8 + 4) return -1; @@ -429,6 +427,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) pos += 8; if (!tcb_desc->bHwSec) { + SKCIPHER_REQUEST_ON_STACK(req, tkey->rx_tfm_arc4); + if (iv32 < tkey->rx_iv32 || (iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) { if (net_ratelimit()) { @@ -449,10 +449,16 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) plen = skb->len - hdr_len - 12; - crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16); + crypto_skcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16); sg_init_one(&sg, pos, plen+4); - if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) { + skcipher_request_set_tfm(req, tkey->rx_tfm_arc4); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, plen + 4, NULL); + + err = crypto_skcipher_decrypt(req); + skcipher_request_zero(req); + if (err) { if (net_ratelimit()) { printk(KERN_DEBUG ": TKIP: failed to decrypt " "received packet from %pM\n", @@ -501,11 +507,12 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) return keyidx; } -static int michael_mic(struct crypto_hash *tfm_michael, u8 *key, u8 *hdr, +static int michael_mic(struct crypto_ahash *tfm_michael, u8 *key, u8 *hdr, u8 *data, size_t data_len, u8 *mic) { - struct hash_desc desc; + AHASH_REQUEST_ON_STACK(req, tfm_michael); struct scatterlist sg[2]; + int err; if (tfm_michael == NULL) { printk(KERN_WARNING "michael_mic: tfm_michael == NULL\n"); @@ -516,12 +523,15 @@ static int michael_mic(struct crypto_hash *tfm_michael, u8 *key, u8 *hdr, sg_set_buf(&sg[0], hdr, 16); sg_set_buf(&sg[1], data, data_len); - if (crypto_hash_setkey(tfm_michael, key, 8)) + if (crypto_ahash_setkey(tfm_michael, key, 8)) return -1; - desc.tfm = tfm_michael; - desc.flags = 0; - return crypto_hash_digest(&desc, sg, data_len + 16, mic); + ahash_request_set_tfm(req, tfm_michael); + ahash_request_set_callback(req, 0, NULL, NULL); + ahash_request_set_crypt(req, sg, mic, data_len + 16); + err = crypto_ahash_digest(req); + ahash_request_zero(req); + return err; } static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr) @@ -660,10 +670,10 @@ static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv) { struct ieee80211_tkip_data *tkey = priv; int keyidx; - struct crypto_hash *tfm = tkey->tx_tfm_michael; - struct crypto_blkcipher *tfm2 = tkey->tx_tfm_arc4; - struct crypto_hash *tfm3 = tkey->rx_tfm_michael; - struct crypto_blkcipher *tfm4 = tkey->rx_tfm_arc4; + struct crypto_ahash *tfm = tkey->tx_tfm_michael; + struct crypto_skcipher *tfm2 = tkey->tx_tfm_arc4; + struct crypto_ahash *tfm3 = tkey->rx_tfm_michael; + struct crypto_skcipher *tfm4 = tkey->rx_tfm_arc4; keyidx = tkey->key_idx; memset(tkey, 0, sizeof(*tkey)); diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c index 681611d..ababb6d 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c @@ -18,7 +18,7 @@ #include "ieee80211.h" -#include <linux/crypto.h> +#include <crypto/skcipher.h> #include <linux/scatterlist.h> #include <linux/crc32.h> @@ -32,8 +32,8 @@ struct prism2_wep_data { u8 key[WEP_KEY_LEN + 1]; u8 key_len; u8 key_idx; - struct crypto_blkcipher *tx_tfm; - struct crypto_blkcipher *rx_tfm; + struct crypto_skcipher *tx_tfm; + struct crypto_skcipher *rx_tfm; }; @@ -46,10 +46,10 @@ static void *prism2_wep_init(int keyidx) return NULL; priv->key_idx = keyidx; - priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + priv->tx_tfm = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm)) goto free_priv; - priv->rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + priv->rx_tfm = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm)) goto free_tx; @@ -58,7 +58,7 @@ static void *prism2_wep_init(int keyidx) return priv; free_tx: - crypto_free_blkcipher(priv->tx_tfm); + crypto_free_skcipher(priv->tx_tfm); free_priv: kfree(priv); return NULL; @@ -70,10 +70,8 @@ static void prism2_wep_deinit(void *priv) struct prism2_wep_data *_priv = priv; if (_priv) { - if (_priv->tx_tfm) - crypto_free_blkcipher(_priv->tx_tfm); - if (_priv->rx_tfm) - crypto_free_blkcipher(_priv->rx_tfm); + crypto_free_skcipher(_priv->tx_tfm); + crypto_free_skcipher(_priv->rx_tfm); } kfree(priv); } @@ -91,10 +89,10 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) u8 key[WEP_KEY_LEN + 3]; u8 *pos; cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - struct blkcipher_desc desc = {.tfm = wep->tx_tfm}; u32 crc; u8 *icv; struct scatterlist sg; + int err; if (skb_headroom(skb) < 4 || skb_tailroom(skb) < 4 || skb->len < hdr_len) @@ -129,6 +127,8 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) memcpy(key + 3, wep->key, wep->key_len); if (!tcb_desc->bHwSec) { + SKCIPHER_REQUEST_ON_STACK(req, wep->tx_tfm); + /* Append little-endian CRC32 and encrypt it to produce ICV */ crc = ~crc32_le(~0, pos, len); icv = skb_put(skb, 4); @@ -137,10 +137,16 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) icv[2] = crc >> 16; icv[3] = crc >> 24; - crypto_blkcipher_setkey(wep->tx_tfm, key, klen); + crypto_skcipher_setkey(wep->tx_tfm, key, klen); sg_init_one(&sg, pos, len+4); - return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4); + skcipher_request_set_tfm(req, wep->tx_tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, len + 4, NULL); + + err = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); + return err; } return 0; @@ -161,10 +167,10 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) u8 key[WEP_KEY_LEN + 3]; u8 keyidx, *pos; cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - struct blkcipher_desc desc = {.tfm = wep->rx_tfm}; u32 crc; u8 icv[4]; struct scatterlist sg; + int err; if (skb->len < hdr_len + 8) return -1; @@ -186,10 +192,18 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) plen = skb->len - hdr_len - 8; if (!tcb_desc->bHwSec) { - crypto_blkcipher_setkey(wep->rx_tfm, key, klen); + SKCIPHER_REQUEST_ON_STACK(req, wep->rx_tfm); + + crypto_skcipher_setkey(wep->rx_tfm, key, klen); sg_init_one(&sg, pos, plen+4); - if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) + skcipher_request_set_tfm(req, wep->rx_tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, plen + 4, NULL); + + err = crypto_skcipher_decrypt(req); + skcipher_request_zero(req); + if (err) return -7; crc = ~crc32_le(~0, pos, plen); diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 576a7a4..961202f 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -16,9 +16,9 @@ * GNU General Public License for more details. ******************************************************************************/ +#include <crypto/hash.h> #include <linux/string.h> #include <linux/kthread.h> -#include <linux/crypto.h> #include <linux/completion.h> #include <linux/module.h> #include <linux/vmalloc.h> @@ -1190,7 +1190,7 @@ iscsit_handle_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, } static u32 iscsit_do_crypto_hash_sg( - struct hash_desc *hash, + struct ahash_request *hash, struct iscsi_cmd *cmd, u32 data_offset, u32 data_length, @@ -1201,7 +1201,7 @@ static u32 iscsit_do_crypto_hash_sg( struct scatterlist *sg; unsigned int page_off; - crypto_hash_init(hash); + crypto_ahash_init(hash); sg = cmd->first_data_sg; page_off = cmd->first_data_sg_off; @@ -1209,7 +1209,8 @@ static u32 iscsit_do_crypto_hash_sg( while (data_length) { u32 cur_len = min_t(u32, data_length, (sg->length - page_off)); - crypto_hash_update(hash, sg, cur_len); + ahash_request_set_crypt(hash, sg, NULL, cur_len); + crypto_ahash_update(hash); data_length -= cur_len; page_off = 0; @@ -1221,33 +1222,34 @@ static u32 iscsit_do_crypto_hash_sg( struct scatterlist pad_sg; sg_init_one(&pad_sg, pad_bytes, padding); - crypto_hash_update(hash, &pad_sg, padding); + ahash_request_set_crypt(hash, &pad_sg, (u8 *)&data_crc, + padding); + crypto_ahash_finup(hash); + } else { + ahash_request_set_crypt(hash, NULL, (u8 *)&data_crc, 0); + crypto_ahash_final(hash); } - crypto_hash_final(hash, (u8 *) &data_crc); return data_crc; } static void iscsit_do_crypto_hash_buf( - struct hash_desc *hash, + struct ahash_request *hash, const void *buf, u32 payload_length, u32 padding, u8 *pad_bytes, u8 *data_crc) { - struct scatterlist sg; + struct scatterlist sg[2]; - crypto_hash_init(hash); + sg_init_table(sg, ARRAY_SIZE(sg)); + sg_set_buf(sg, buf, payload_length); + sg_set_buf(sg + 1, pad_bytes, padding); - sg_init_one(&sg, buf, payload_length); - crypto_hash_update(hash, &sg, payload_length); + ahash_request_set_crypt(hash, sg, data_crc, payload_length + padding); - if (padding) { - sg_init_one(&sg, pad_bytes, padding); - crypto_hash_update(hash, &sg, padding); - } - crypto_hash_final(hash, data_crc); + crypto_ahash_digest(hash); } int @@ -1422,7 +1424,7 @@ iscsit_get_dataout(struct iscsi_conn *conn, struct iscsi_cmd *cmd, if (conn->conn_ops->DataDigest) { u32 data_crc; - data_crc = iscsit_do_crypto_hash_sg(&conn->conn_rx_hash, cmd, + data_crc = iscsit_do_crypto_hash_sg(conn->conn_rx_hash, cmd, be32_to_cpu(hdr->offset), payload_length, padding, cmd->pad_bytes); @@ -1682,7 +1684,7 @@ static int iscsit_handle_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd, } if (conn->conn_ops->DataDigest) { - iscsit_do_crypto_hash_buf(&conn->conn_rx_hash, + iscsit_do_crypto_hash_buf(conn->conn_rx_hash, ping_data, payload_length, padding, cmd->pad_bytes, (u8 *)&data_crc); @@ -2101,7 +2103,7 @@ iscsit_handle_text_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, goto reject; if (conn->conn_ops->DataDigest) { - iscsit_do_crypto_hash_buf(&conn->conn_rx_hash, + iscsit_do_crypto_hash_buf(conn->conn_rx_hash, text_in, payload_length, padding, (u8 *)&pad_bytes, (u8 *)&data_crc); @@ -2440,7 +2442,7 @@ static int iscsit_handle_immediate_data( if (conn->conn_ops->DataDigest) { u32 data_crc; - data_crc = iscsit_do_crypto_hash_sg(&conn->conn_rx_hash, cmd, + data_crc = iscsit_do_crypto_hash_sg(conn->conn_rx_hash, cmd, cmd->write_data_done, length, padding, cmd->pad_bytes); @@ -2553,7 +2555,7 @@ static int iscsit_send_conn_drop_async_message( if (conn->conn_ops->HeaderDigest) { u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN]; - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr, ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest); cmd->tx_size += ISCSI_CRC_LEN; @@ -2683,7 +2685,7 @@ static int iscsit_send_datain(struct iscsi_cmd *cmd, struct iscsi_conn *conn) if (conn->conn_ops->HeaderDigest) { u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN]; - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, cmd->pdu, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, cmd->pdu, ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest); iov[0].iov_len += ISCSI_CRC_LEN; @@ -2711,7 +2713,7 @@ static int iscsit_send_datain(struct iscsi_cmd *cmd, struct iscsi_conn *conn) cmd->padding); } if (conn->conn_ops->DataDigest) { - cmd->data_crc = iscsit_do_crypto_hash_sg(&conn->conn_tx_hash, cmd, + cmd->data_crc = iscsit_do_crypto_hash_sg(conn->conn_tx_hash, cmd, datain.offset, datain.length, cmd->padding, cmd->pad_bytes); iov[iov_count].iov_base = &cmd->data_crc; @@ -2857,7 +2859,7 @@ iscsit_send_logout(struct iscsi_cmd *cmd, struct iscsi_conn *conn) if (conn->conn_ops->HeaderDigest) { u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN]; - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, &cmd->pdu[0], + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, &cmd->pdu[0], ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest); iov[0].iov_len += ISCSI_CRC_LEN; @@ -2915,7 +2917,7 @@ static int iscsit_send_unsolicited_nopin( if (conn->conn_ops->HeaderDigest) { u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN]; - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr, ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest); tx_size += ISCSI_CRC_LEN; @@ -2963,7 +2965,7 @@ iscsit_send_nopin(struct iscsi_cmd *cmd, struct iscsi_conn *conn) if (conn->conn_ops->HeaderDigest) { u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN]; - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr, ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest); iov[0].iov_len += ISCSI_CRC_LEN; @@ -2993,7 +2995,7 @@ iscsit_send_nopin(struct iscsi_cmd *cmd, struct iscsi_conn *conn) " padding bytes.\n", padding); } if (conn->conn_ops->DataDigest) { - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, cmd->buf_ptr, cmd->buf_ptr_size, padding, (u8 *)&cmd->pad_bytes, (u8 *)&cmd->data_crc); @@ -3049,7 +3051,7 @@ static int iscsit_send_r2t( if (conn->conn_ops->HeaderDigest) { u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN]; - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr, ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest); cmd->iov_misc[0].iov_len += ISCSI_CRC_LEN; @@ -3239,7 +3241,7 @@ static int iscsit_send_response(struct iscsi_cmd *cmd, struct iscsi_conn *conn) } if (conn->conn_ops->DataDigest) { - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, cmd->sense_buffer, (cmd->se_cmd.scsi_sense_length + padding), 0, NULL, (u8 *)&cmd->data_crc); @@ -3262,7 +3264,7 @@ static int iscsit_send_response(struct iscsi_cmd *cmd, struct iscsi_conn *conn) if (conn->conn_ops->HeaderDigest) { u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN]; - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, cmd->pdu, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, cmd->pdu, ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest); iov[0].iov_len += ISCSI_CRC_LEN; @@ -3332,7 +3334,7 @@ iscsit_send_task_mgt_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn) if (conn->conn_ops->HeaderDigest) { u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN]; - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr, ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest); cmd->iov_misc[0].iov_len += ISCSI_CRC_LEN; @@ -3601,7 +3603,7 @@ static int iscsit_send_text_rsp( if (conn->conn_ops->HeaderDigest) { u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN]; - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr, ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest); iov[0].iov_len += ISCSI_CRC_LEN; @@ -3611,7 +3613,7 @@ static int iscsit_send_text_rsp( } if (conn->conn_ops->DataDigest) { - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, cmd->buf_ptr, text_length, 0, NULL, (u8 *)&cmd->data_crc); @@ -3668,7 +3670,7 @@ static int iscsit_send_reject( if (conn->conn_ops->HeaderDigest) { u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN]; - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, hdr, ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest); iov[0].iov_len += ISCSI_CRC_LEN; @@ -3678,7 +3680,7 @@ static int iscsit_send_reject( } if (conn->conn_ops->DataDigest) { - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, cmd->buf_ptr, + iscsit_do_crypto_hash_buf(conn->conn_tx_hash, cmd->buf_ptr, ISCSI_HDR_LEN, 0, NULL, (u8 *)&cmd->data_crc); iov[iov_count].iov_base = &cmd->data_crc; @@ -4145,7 +4147,7 @@ int iscsi_target_rx_thread(void *arg) goto transport_err; } - iscsit_do_crypto_hash_buf(&conn->conn_rx_hash, + iscsit_do_crypto_hash_buf(conn->conn_rx_hash, buffer, ISCSI_HDR_LEN, 0, NULL, (u8 *)&checksum); @@ -4359,10 +4361,14 @@ int iscsit_close_connection( */ iscsit_check_conn_usage_count(conn); - if (conn->conn_rx_hash.tfm) - crypto_free_hash(conn->conn_rx_hash.tfm); - if (conn->conn_tx_hash.tfm) - crypto_free_hash(conn->conn_tx_hash.tfm); + ahash_request_free(conn->conn_tx_hash); + if (conn->conn_rx_hash) { + struct crypto_ahash *tfm; + + tfm = crypto_ahash_reqtfm(conn->conn_rx_hash); + ahash_request_free(conn->conn_rx_hash); + crypto_free_ahash(tfm); + } free_cpumask_var(conn->conn_cpumask); diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c index 47e249d..667406f 100644 --- a/drivers/target/iscsi/iscsi_target_auth.c +++ b/drivers/target/iscsi/iscsi_target_auth.c @@ -16,9 +16,9 @@ * GNU General Public License for more details. ******************************************************************************/ +#include <crypto/hash.h> #include <linux/kernel.h> #include <linux/string.h> -#include <linux/crypto.h> #include <linux/err.h> #include <linux/scatterlist.h> @@ -185,9 +185,8 @@ static int chap_server_compute_md5( unsigned char chap_n[MAX_CHAP_N_SIZE], chap_r[MAX_RESPONSE_LENGTH]; size_t compare_len; struct iscsi_chap *chap = conn->auth_protocol; - struct crypto_hash *tfm; - struct hash_desc desc; - struct scatterlist sg; + struct crypto_shash *tfm = NULL; + struct shash_desc *desc = NULL; int auth_ret = -1, ret, challenge_len; memset(identifier, 0, 10); @@ -245,52 +244,47 @@ static int chap_server_compute_md5( pr_debug("[server] Got CHAP_R=%s\n", chap_r); chap_string_to_hex(client_digest, chap_r, strlen(chap_r)); - tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC); + tfm = crypto_alloc_shash("md5", 0, 0); if (IS_ERR(tfm)) { - pr_err("Unable to allocate struct crypto_hash\n"); + tfm = NULL; + pr_err("Unable to allocate struct crypto_shash\n"); goto out; } - desc.tfm = tfm; - desc.flags = 0; - ret = crypto_hash_init(&desc); - if (ret < 0) { - pr_err("crypto_hash_init() failed\n"); - crypto_free_hash(tfm); + desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL); + if (!desc) { + pr_err("Unable to allocate struct shash_desc\n"); goto out; } - sg_init_one(&sg, &chap->id, 1); - ret = crypto_hash_update(&desc, &sg, 1); + desc->tfm = tfm; + desc->flags = 0; + + ret = crypto_shash_init(desc); if (ret < 0) { - pr_err("crypto_hash_update() failed for id\n"); - crypto_free_hash(tfm); + pr_err("crypto_shash_init() failed\n"); goto out; } - sg_init_one(&sg, &auth->password, strlen(auth->password)); - ret = crypto_hash_update(&desc, &sg, strlen(auth->password)); + ret = crypto_shash_update(desc, &chap->id, 1); if (ret < 0) { - pr_err("crypto_hash_update() failed for password\n"); - crypto_free_hash(tfm); + pr_err("crypto_shash_update() failed for id\n"); goto out; } - sg_init_one(&sg, chap->challenge, CHAP_CHALLENGE_LENGTH); - ret = crypto_hash_update(&desc, &sg, CHAP_CHALLENGE_LENGTH); + ret = crypto_shash_update(desc, (char *)&auth->password, + strlen(auth->password)); if (ret < 0) { - pr_err("crypto_hash_update() failed for challenge\n"); - crypto_free_hash(tfm); + pr_err("crypto_shash_update() failed for password\n"); goto out; } - ret = crypto_hash_final(&desc, server_digest); + ret = crypto_shash_finup(desc, chap->challenge, + CHAP_CHALLENGE_LENGTH, server_digest); if (ret < 0) { - pr_err("crypto_hash_final() failed for server digest\n"); - crypto_free_hash(tfm); + pr_err("crypto_shash_finup() failed for challenge\n"); goto out; } - crypto_free_hash(tfm); chap_binaryhex_to_asciihex(response, server_digest, MD5_SIGNATURE_SIZE); pr_debug("[server] MD5 Server Digest: %s\n", response); @@ -306,9 +300,8 @@ static int chap_server_compute_md5( * authentication is not enabled. */ if (!auth->authenticate_target) { - kfree(challenge); - kfree(challenge_binhex); - return 0; + auth_ret = 0; + goto out; } /* * Get CHAP_I. @@ -372,58 +365,37 @@ static int chap_server_compute_md5( /* * Generate CHAP_N and CHAP_R for mutual authentication. */ - tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(tfm)) { - pr_err("Unable to allocate struct crypto_hash\n"); - goto out; - } - desc.tfm = tfm; - desc.flags = 0; - - ret = crypto_hash_init(&desc); + ret = crypto_shash_init(desc); if (ret < 0) { - pr_err("crypto_hash_init() failed\n"); - crypto_free_hash(tfm); + pr_err("crypto_shash_init() failed\n"); goto out; } /* To handle both endiannesses */ id_as_uchar = id; - sg_init_one(&sg, &id_as_uchar, 1); - ret = crypto_hash_update(&desc, &sg, 1); + ret = crypto_shash_update(desc, &id_as_uchar, 1); if (ret < 0) { - pr_err("crypto_hash_update() failed for id\n"); - crypto_free_hash(tfm); + pr_err("crypto_shash_update() failed for id\n"); goto out; } - sg_init_one(&sg, auth->password_mutual, - strlen(auth->password_mutual)); - ret = crypto_hash_update(&desc, &sg, strlen(auth->password_mutual)); + ret = crypto_shash_update(desc, auth->password_mutual, + strlen(auth->password_mutual)); if (ret < 0) { - pr_err("crypto_hash_update() failed for" + pr_err("crypto_shash_update() failed for" " password_mutual\n"); - crypto_free_hash(tfm); goto out; } /* * Convert received challenge to binary hex. */ - sg_init_one(&sg, challenge_binhex, challenge_len); - ret = crypto_hash_update(&desc, &sg, challenge_len); + ret = crypto_shash_finup(desc, challenge_binhex, challenge_len, + digest); if (ret < 0) { - pr_err("crypto_hash_update() failed for ma challenge\n"); - crypto_free_hash(tfm); + pr_err("crypto_shash_finup() failed for ma challenge\n"); goto out; } - ret = crypto_hash_final(&desc, digest); - if (ret < 0) { - pr_err("crypto_hash_final() failed for ma digest\n"); - crypto_free_hash(tfm); - goto out; - } - crypto_free_hash(tfm); /* * Generate CHAP_N and CHAP_R. */ @@ -440,6 +412,8 @@ static int chap_server_compute_md5( pr_debug("[server] Sending CHAP_R=0x%s\n", response); auth_ret = 0; out: + kzfree(desc); + crypto_free_shash(tfm); kfree(challenge); kfree(challenge_binhex); return auth_ret; diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 96e78c8..8436d56 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -16,9 +16,9 @@ * GNU General Public License for more details. ******************************************************************************/ +#include <crypto/hash.h> #include <linux/string.h> #include <linux/kthread.h> -#include <linux/crypto.h> #include <linux/idr.h> #include <scsi/iscsi_proto.h> #include <target/target_core_base.h> @@ -115,27 +115,36 @@ out_login: */ int iscsi_login_setup_crypto(struct iscsi_conn *conn) { + struct crypto_ahash *tfm; + /* * Setup slicing by CRC32C algorithm for RX and TX libcrypto contexts * which will default to crc32c_intel.ko for cpu_has_xmm4_2, or fallback * to software 1x8 byte slicing from crc32c.ko */ - conn->conn_rx_hash.flags = 0; - conn->conn_rx_hash.tfm = crypto_alloc_hash("crc32c", 0, - CRYPTO_ALG_ASYNC); - if (IS_ERR(conn->conn_rx_hash.tfm)) { - pr_err("crypto_alloc_hash() failed for conn_rx_tfm\n"); + tfm = crypto_alloc_ahash("crc32c", 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(tfm)) { + pr_err("crypto_alloc_ahash() failed\n"); return -ENOMEM; } - conn->conn_tx_hash.flags = 0; - conn->conn_tx_hash.tfm = crypto_alloc_hash("crc32c", 0, - CRYPTO_ALG_ASYNC); - if (IS_ERR(conn->conn_tx_hash.tfm)) { - pr_err("crypto_alloc_hash() failed for conn_tx_tfm\n"); - crypto_free_hash(conn->conn_rx_hash.tfm); + conn->conn_rx_hash = ahash_request_alloc(tfm, GFP_KERNEL); + if (!conn->conn_rx_hash) { + pr_err("ahash_request_alloc() failed for conn_rx_hash\n"); + crypto_free_ahash(tfm); + return -ENOMEM; + } + ahash_request_set_callback(conn->conn_rx_hash, 0, NULL, NULL); + + conn->conn_tx_hash = ahash_request_alloc(tfm, GFP_KERNEL); + if (!conn->conn_tx_hash) { + pr_err("ahash_request_alloc() failed for conn_tx_hash\n"); + ahash_request_free(conn->conn_rx_hash); + conn->conn_rx_hash = NULL; + crypto_free_ahash(tfm); return -ENOMEM; } + ahash_request_set_callback(conn->conn_tx_hash, 0, NULL, NULL); return 0; } @@ -1174,10 +1183,14 @@ old_sess_out: iscsit_dec_session_usage_count(conn->sess); } - if (!IS_ERR(conn->conn_rx_hash.tfm)) - crypto_free_hash(conn->conn_rx_hash.tfm); - if (!IS_ERR(conn->conn_tx_hash.tfm)) - crypto_free_hash(conn->conn_tx_hash.tfm); + ahash_request_free(conn->conn_tx_hash); + if (conn->conn_rx_hash) { + struct crypto_ahash *tfm; + + tfm = crypto_ahash_reqtfm(conn->conn_rx_hash); + ahash_request_free(conn->conn_rx_hash); + crypto_free_ahash(tfm); + } free_cpumask_var(conn->conn_cpumask); diff --git a/drivers/usb/wusbcore/crypto.c b/drivers/usb/wusbcore/crypto.c index 50ce80d..8ed8e34 100644 --- a/drivers/usb/wusbcore/crypto.c +++ b/drivers/usb/wusbcore/crypto.c @@ -45,6 +45,7 @@ * funneled through AES are...16 bytes in size! */ +#include <crypto/skcipher.h> #include <linux/crypto.h> #include <linux/module.h> #include <linux/err.h> @@ -195,21 +196,22 @@ static void bytewise_xor(void *_bo, const void *_bi1, const void *_bi2, * NOTE: blen is not aligned to a block size, we'll pad zeros, that's * what sg[4] is for. Maybe there is a smarter way to do this. */ -static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc, +static int wusb_ccm_mac(struct crypto_skcipher *tfm_cbc, struct crypto_cipher *tfm_aes, void *mic, const struct aes_ccm_nonce *n, const struct aes_ccm_label *a, const void *b, size_t blen) { int result = 0; - struct blkcipher_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, tfm_cbc); struct aes_ccm_b0 b0; struct aes_ccm_b1 b1; struct aes_ccm_a ax; struct scatterlist sg[4], sg_dst; - void *iv, *dst_buf; - size_t ivsize, dst_size; + void *dst_buf; + size_t dst_size; const u8 bzero[16] = { 0 }; + u8 iv[crypto_skcipher_ivsize(tfm_cbc)]; size_t zero_padding; /* @@ -232,9 +234,7 @@ static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc, goto error_dst_buf; } - iv = crypto_blkcipher_crt(tfm_cbc)->iv; - ivsize = crypto_blkcipher_ivsize(tfm_cbc); - memset(iv, 0, ivsize); + memset(iv, 0, sizeof(iv)); /* Setup B0 */ b0.flags = 0x59; /* Format B0 */ @@ -259,9 +259,11 @@ static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc, sg_set_buf(&sg[3], bzero, zero_padding); sg_init_one(&sg_dst, dst_buf, dst_size); - desc.tfm = tfm_cbc; - desc.flags = 0; - result = crypto_blkcipher_encrypt(&desc, &sg_dst, sg, dst_size); + skcipher_request_set_tfm(req, tfm_cbc); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg, &sg_dst, dst_size, iv); + result = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); if (result < 0) { printk(KERN_ERR "E: can't compute CBC-MAC tag (MIC): %d\n", result); @@ -301,18 +303,18 @@ ssize_t wusb_prf(void *out, size_t out_size, { ssize_t result, bytes = 0, bitr; struct aes_ccm_nonce n = *_n; - struct crypto_blkcipher *tfm_cbc; + struct crypto_skcipher *tfm_cbc; struct crypto_cipher *tfm_aes; u64 sfn = 0; __le64 sfn_le; - tfm_cbc = crypto_alloc_blkcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC); + tfm_cbc = crypto_alloc_skcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm_cbc)) { result = PTR_ERR(tfm_cbc); printk(KERN_ERR "E: can't load CBC(AES): %d\n", (int)result); goto error_alloc_cbc; } - result = crypto_blkcipher_setkey(tfm_cbc, key, 16); + result = crypto_skcipher_setkey(tfm_cbc, key, 16); if (result < 0) { printk(KERN_ERR "E: can't set CBC key: %d\n", (int)result); goto error_setkey_cbc; @@ -345,7 +347,7 @@ error_setkey_aes: crypto_free_cipher(tfm_aes); error_alloc_aes: error_setkey_cbc: - crypto_free_blkcipher(tfm_cbc); + crypto_free_skcipher(tfm_cbc); error_alloc_cbc: return result; } diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index e682b36..4897dac 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -33,6 +33,7 @@ #include <linux/ctype.h> #include <linux/random.h> #include <linux/highmem.h> +#include <crypto/skcipher.h> static int cifs_crypto_shash_md5_allocate(struct TCP_Server_Info *server) @@ -789,38 +790,46 @@ int calc_seckey(struct cifs_ses *ses) { int rc; - struct crypto_blkcipher *tfm_arc4; + struct crypto_skcipher *tfm_arc4; struct scatterlist sgin, sgout; - struct blkcipher_desc desc; + struct skcipher_request *req; unsigned char sec_key[CIFS_SESS_KEY_SIZE]; /* a nonce */ get_random_bytes(sec_key, CIFS_SESS_KEY_SIZE); - tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + tfm_arc4 = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm_arc4)) { rc = PTR_ERR(tfm_arc4); cifs_dbg(VFS, "could not allocate crypto API arc4\n"); return rc; } - desc.tfm = tfm_arc4; - - rc = crypto_blkcipher_setkey(tfm_arc4, ses->auth_key.response, + rc = crypto_skcipher_setkey(tfm_arc4, ses->auth_key.response, CIFS_SESS_KEY_SIZE); if (rc) { cifs_dbg(VFS, "%s: Could not set response as a key\n", __func__); - return rc; + goto out_free_cipher; + } + + req = skcipher_request_alloc(tfm_arc4, GFP_KERNEL); + if (!req) { + rc = -ENOMEM; + cifs_dbg(VFS, "could not allocate crypto API arc4 request\n"); + goto out_free_cipher; } sg_init_one(&sgin, sec_key, CIFS_SESS_KEY_SIZE); sg_init_one(&sgout, ses->ntlmssp->ciphertext, CIFS_CPHTXT_SIZE); - rc = crypto_blkcipher_encrypt(&desc, &sgout, &sgin, CIFS_CPHTXT_SIZE); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sgin, &sgout, CIFS_CPHTXT_SIZE, NULL); + + rc = crypto_skcipher_encrypt(req); + skcipher_request_free(req); if (rc) { cifs_dbg(VFS, "could not encrypt session key rc: %d\n", rc); - crypto_free_blkcipher(tfm_arc4); - return rc; + goto out_free_cipher; } /* make secondary_key/nonce as session key */ @@ -828,7 +837,8 @@ calc_seckey(struct cifs_ses *ses) /* and make len as that of session key only */ ses->auth_key.len = CIFS_SESS_KEY_SIZE; - crypto_free_blkcipher(tfm_arc4); +out_free_cipher: + crypto_free_skcipher(tfm_arc4); return rc; } diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c index a4232ec..699b786 100644 --- a/fs/cifs/smbencrypt.c +++ b/fs/cifs/smbencrypt.c @@ -23,6 +23,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <crypto/skcipher.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/fs.h> @@ -70,31 +71,42 @@ smbhash(unsigned char *out, const unsigned char *in, unsigned char *key) { int rc; unsigned char key2[8]; - struct crypto_blkcipher *tfm_des; + struct crypto_skcipher *tfm_des; struct scatterlist sgin, sgout; - struct blkcipher_desc desc; + struct skcipher_request *req; str_to_key(key, key2); - tfm_des = crypto_alloc_blkcipher("ecb(des)", 0, CRYPTO_ALG_ASYNC); + tfm_des = crypto_alloc_skcipher("ecb(des)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm_des)) { rc = PTR_ERR(tfm_des); cifs_dbg(VFS, "could not allocate des crypto API\n"); goto smbhash_err; } - desc.tfm = tfm_des; + req = skcipher_request_alloc(tfm_des, GFP_KERNEL); + if (!req) { + rc = -ENOMEM; + cifs_dbg(VFS, "could not allocate des crypto API\n"); + goto smbhash_free_skcipher; + } - crypto_blkcipher_setkey(tfm_des, key2, 8); + crypto_skcipher_setkey(tfm_des, key2, 8); sg_init_one(&sgin, in, 8); sg_init_one(&sgout, out, 8); - rc = crypto_blkcipher_encrypt(&desc, &sgout, &sgin, 8); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sgin, &sgout, 8, NULL); + + rc = crypto_skcipher_encrypt(req); if (rc) cifs_dbg(VFS, "could not encrypt crypt key rc: %d\n", rc); - crypto_free_blkcipher(tfm_des); + skcipher_request_free(req); + +smbhash_free_skcipher: + crypto_free_skcipher(tfm_des); smbhash_err: return rc; } diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 80d6901..11255cb 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -23,6 +23,8 @@ * 02111-1307, USA. */ +#include <crypto/hash.h> +#include <crypto/skcipher.h> #include <linux/fs.h> #include <linux/mount.h> #include <linux/pagemap.h> @@ -30,7 +32,6 @@ #include <linux/compiler.h> #include <linux/key.h> #include <linux/namei.h> -#include <linux/crypto.h> #include <linux/file.h> #include <linux/scatterlist.h> #include <linux/slab.h> @@ -74,6 +75,19 @@ void ecryptfs_from_hex(char *dst, char *src, int dst_size) } } +static int ecryptfs_hash_digest(struct crypto_shash *tfm, + char *src, int len, char *dst) +{ + SHASH_DESC_ON_STACK(desc, tfm); + int err; + + desc->tfm = tfm; + desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; + err = crypto_shash_digest(desc, src, len, dst); + shash_desc_zero(desc); + return err; +} + /** * ecryptfs_calculate_md5 - calculates the md5 of @src * @dst: Pointer to 16 bytes of allocated memory @@ -88,45 +102,26 @@ static int ecryptfs_calculate_md5(char *dst, struct ecryptfs_crypt_stat *crypt_stat, char *src, int len) { - struct scatterlist sg; - struct hash_desc desc = { - .tfm = crypt_stat->hash_tfm, - .flags = CRYPTO_TFM_REQ_MAY_SLEEP - }; + struct crypto_shash *tfm; int rc = 0; mutex_lock(&crypt_stat->cs_hash_tfm_mutex); - sg_init_one(&sg, (u8 *)src, len); - if (!desc.tfm) { - desc.tfm = crypto_alloc_hash(ECRYPTFS_DEFAULT_HASH, 0, - CRYPTO_ALG_ASYNC); - if (IS_ERR(desc.tfm)) { - rc = PTR_ERR(desc.tfm); + tfm = crypt_stat->hash_tfm; + if (!tfm) { + tfm = crypto_alloc_shash(ECRYPTFS_DEFAULT_HASH, 0, 0); + if (IS_ERR(tfm)) { + rc = PTR_ERR(tfm); ecryptfs_printk(KERN_ERR, "Error attempting to " "allocate crypto context; rc = [%d]\n", rc); goto out; } - crypt_stat->hash_tfm = desc.tfm; - } - rc = crypto_hash_init(&desc); - if (rc) { - printk(KERN_ERR - "%s: Error initializing crypto hash; rc = [%d]\n", - __func__, rc); - goto out; + crypt_stat->hash_tfm = tfm; } - rc = crypto_hash_update(&desc, &sg, len); + rc = ecryptfs_hash_digest(tfm, src, len, dst); if (rc) { printk(KERN_ERR - "%s: Error updating crypto hash; rc = [%d]\n", - __func__, rc); - goto out; - } - rc = crypto_hash_final(&desc, dst); - if (rc) { - printk(KERN_ERR - "%s: Error finalizing crypto hash; rc = [%d]\n", + "%s: Error computing crypto hash; rc = [%d]\n", __func__, rc); goto out; } @@ -234,10 +229,8 @@ void ecryptfs_destroy_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat) { struct ecryptfs_key_sig *key_sig, *key_sig_tmp; - if (crypt_stat->tfm) - crypto_free_ablkcipher(crypt_stat->tfm); - if (crypt_stat->hash_tfm) - crypto_free_hash(crypt_stat->hash_tfm); + crypto_free_skcipher(crypt_stat->tfm); + crypto_free_shash(crypt_stat->hash_tfm); list_for_each_entry_safe(key_sig, key_sig_tmp, &crypt_stat->keysig_list, crypt_stat_list) { list_del(&key_sig->crypt_stat_list); @@ -342,7 +335,7 @@ static int crypt_scatterlist(struct ecryptfs_crypt_stat *crypt_stat, struct scatterlist *src_sg, int size, unsigned char *iv, int op) { - struct ablkcipher_request *req = NULL; + struct skcipher_request *req = NULL; struct extent_crypt_result ecr; int rc = 0; @@ -358,20 +351,20 @@ static int crypt_scatterlist(struct ecryptfs_crypt_stat *crypt_stat, init_completion(&ecr.completion); mutex_lock(&crypt_stat->cs_tfm_mutex); - req = ablkcipher_request_alloc(crypt_stat->tfm, GFP_NOFS); + req = skcipher_request_alloc(crypt_stat->tfm, GFP_NOFS); if (!req) { mutex_unlock(&crypt_stat->cs_tfm_mutex); rc = -ENOMEM; goto out; } - ablkcipher_request_set_callback(req, + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, extent_crypt_complete, &ecr); /* Consider doing this once, when the file is opened */ if (!(crypt_stat->flags & ECRYPTFS_KEY_SET)) { - rc = crypto_ablkcipher_setkey(crypt_stat->tfm, crypt_stat->key, - crypt_stat->key_size); + rc = crypto_skcipher_setkey(crypt_stat->tfm, crypt_stat->key, + crypt_stat->key_size); if (rc) { ecryptfs_printk(KERN_ERR, "Error setting key; rc = [%d]\n", @@ -383,9 +376,9 @@ static int crypt_scatterlist(struct ecryptfs_crypt_stat *crypt_stat, crypt_stat->flags |= ECRYPTFS_KEY_SET; } mutex_unlock(&crypt_stat->cs_tfm_mutex); - ablkcipher_request_set_crypt(req, src_sg, dst_sg, size, iv); - rc = op == ENCRYPT ? crypto_ablkcipher_encrypt(req) : - crypto_ablkcipher_decrypt(req); + skcipher_request_set_crypt(req, src_sg, dst_sg, size, iv); + rc = op == ENCRYPT ? crypto_skcipher_encrypt(req) : + crypto_skcipher_decrypt(req); if (rc == -EINPROGRESS || rc == -EBUSY) { struct extent_crypt_result *ecr = req->base.data; @@ -394,7 +387,7 @@ static int crypt_scatterlist(struct ecryptfs_crypt_stat *crypt_stat, reinit_completion(&ecr->completion); } out: - ablkcipher_request_free(req); + skcipher_request_free(req); return rc; } @@ -622,7 +615,7 @@ int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat) crypt_stat->cipher, "cbc"); if (rc) goto out_unlock; - crypt_stat->tfm = crypto_alloc_ablkcipher(full_alg_name, 0, 0); + crypt_stat->tfm = crypto_alloc_skcipher(full_alg_name, 0, 0); if (IS_ERR(crypt_stat->tfm)) { rc = PTR_ERR(crypt_stat->tfm); crypt_stat->tfm = NULL; @@ -631,7 +624,7 @@ int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat) full_alg_name); goto out_free; } - crypto_ablkcipher_set_flags(crypt_stat->tfm, CRYPTO_TFM_REQ_WEAK_KEY); + crypto_skcipher_set_flags(crypt_stat->tfm, CRYPTO_TFM_REQ_WEAK_KEY); rc = 0; out_free: kfree(full_alg_name); @@ -1591,7 +1584,7 @@ out: * event, regardless of whether this function succeeds for fails. */ static int -ecryptfs_process_key_cipher(struct crypto_blkcipher **key_tfm, +ecryptfs_process_key_cipher(struct crypto_skcipher **key_tfm, char *cipher_name, size_t *key_size) { char dummy_key[ECRYPTFS_MAX_KEY_BYTES]; @@ -1609,21 +1602,18 @@ ecryptfs_process_key_cipher(struct crypto_blkcipher **key_tfm, "ecb"); if (rc) goto out; - *key_tfm = crypto_alloc_blkcipher(full_alg_name, 0, CRYPTO_ALG_ASYNC); + *key_tfm = crypto_alloc_skcipher(full_alg_name, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(*key_tfm)) { rc = PTR_ERR(*key_tfm); printk(KERN_ERR "Unable to allocate crypto cipher with name " "[%s]; rc = [%d]\n", full_alg_name, rc); goto out; } - crypto_blkcipher_set_flags(*key_tfm, CRYPTO_TFM_REQ_WEAK_KEY); - if (*key_size == 0) { - struct blkcipher_alg *alg = crypto_blkcipher_alg(*key_tfm); - - *key_size = alg->max_keysize; - } + crypto_skcipher_set_flags(*key_tfm, CRYPTO_TFM_REQ_WEAK_KEY); + if (*key_size == 0) + *key_size = crypto_skcipher_default_keysize(*key_tfm); get_random_bytes(dummy_key, *key_size); - rc = crypto_blkcipher_setkey(*key_tfm, dummy_key, *key_size); + rc = crypto_skcipher_setkey(*key_tfm, dummy_key, *key_size); if (rc) { printk(KERN_ERR "Error attempting to set key of size [%zd] for " "cipher [%s]; rc = [%d]\n", *key_size, full_alg_name, @@ -1660,8 +1650,7 @@ int ecryptfs_destroy_crypto(void) list_for_each_entry_safe(key_tfm, key_tfm_tmp, &key_tfm_list, key_tfm_list) { list_del(&key_tfm->key_tfm_list); - if (key_tfm->key_tfm) - crypto_free_blkcipher(key_tfm->key_tfm); + crypto_free_skcipher(key_tfm->key_tfm); kmem_cache_free(ecryptfs_key_tfm_cache, key_tfm); } mutex_unlock(&key_tfm_list_mutex); @@ -1747,7 +1736,7 @@ int ecryptfs_tfm_exists(char *cipher_name, struct ecryptfs_key_tfm **key_tfm) * Searches for cached item first, and creates new if not found. * Returns 0 on success, non-zero if adding new cipher failed */ -int ecryptfs_get_tfm_and_mutex_for_cipher_name(struct crypto_blkcipher **tfm, +int ecryptfs_get_tfm_and_mutex_for_cipher_name(struct crypto_skcipher **tfm, struct mutex **tfm_mutex, char *cipher_name) { @@ -2120,7 +2109,7 @@ out: int ecryptfs_set_f_namelen(long *namelen, long lower_namelen, struct ecryptfs_mount_crypt_stat *mount_crypt_stat) { - struct blkcipher_desc desc; + struct crypto_skcipher *tfm; struct mutex *tfm_mutex; size_t cipher_blocksize; int rc; @@ -2130,7 +2119,7 @@ int ecryptfs_set_f_namelen(long *namelen, long lower_namelen, return 0; } - rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&desc.tfm, &tfm_mutex, + rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&tfm, &tfm_mutex, mount_crypt_stat->global_default_fn_cipher_name); if (unlikely(rc)) { (*namelen) = 0; @@ -2138,7 +2127,7 @@ int ecryptfs_set_f_namelen(long *namelen, long lower_namelen, } mutex_lock(tfm_mutex); - cipher_blocksize = crypto_blkcipher_blocksize(desc.tfm); + cipher_blocksize = crypto_skcipher_blocksize(tfm); mutex_unlock(tfm_mutex); /* Return an exact amount for the common cases */ diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 7b39260..b7f8128 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -28,6 +28,7 @@ #ifndef ECRYPTFS_KERNEL_H #define ECRYPTFS_KERNEL_H +#include <crypto/skcipher.h> #include <keys/user-type.h> #include <keys/encrypted-type.h> #include <linux/fs.h> @@ -38,7 +39,6 @@ #include <linux/nsproxy.h> #include <linux/backing-dev.h> #include <linux/ecryptfs.h> -#include <linux/crypto.h> #define ECRYPTFS_DEFAULT_IV_BYTES 16 #define ECRYPTFS_DEFAULT_EXTENT_SIZE 4096 @@ -233,9 +233,9 @@ struct ecryptfs_crypt_stat { size_t extent_shift; unsigned int extent_mask; struct ecryptfs_mount_crypt_stat *mount_crypt_stat; - struct crypto_ablkcipher *tfm; - struct crypto_hash *hash_tfm; /* Crypto context for generating - * the initialization vectors */ + struct crypto_skcipher *tfm; + struct crypto_shash *hash_tfm; /* Crypto context for generating + * the initialization vectors */ unsigned char cipher[ECRYPTFS_MAX_CIPHER_NAME_SIZE + 1]; unsigned char key[ECRYPTFS_MAX_KEY_BYTES]; unsigned char root_iv[ECRYPTFS_MAX_IV_BYTES]; @@ -309,7 +309,7 @@ struct ecryptfs_global_auth_tok { * keeps a list of crypto API contexts around to use when needed. */ struct ecryptfs_key_tfm { - struct crypto_blkcipher *key_tfm; + struct crypto_skcipher *key_tfm; size_t key_size; struct mutex key_tfm_mutex; struct list_head key_tfm_list; @@ -659,7 +659,7 @@ ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm **key_tfm, char *cipher_name, int ecryptfs_init_crypto(void); int ecryptfs_destroy_crypto(void); int ecryptfs_tfm_exists(char *cipher_name, struct ecryptfs_key_tfm **key_tfm); -int ecryptfs_get_tfm_and_mutex_for_cipher_name(struct crypto_blkcipher **tfm, +int ecryptfs_get_tfm_and_mutex_for_cipher_name(struct crypto_skcipher **tfm, struct mutex **tfm_mutex, char *cipher_name); int ecryptfs_keyring_auth_tok_for_sig(struct key **auth_tok_key, diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 4e685ac..0a8f1b4 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -29,7 +29,6 @@ #include <linux/dcache.h> #include <linux/namei.h> #include <linux/mount.h> -#include <linux/crypto.h> #include <linux/fs_stack.h> #include <linux/slab.h> #include <linux/xattr.h> diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index 6bd67e2..c5c84df 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -25,11 +25,12 @@ * 02111-1307, USA. */ +#include <crypto/hash.h> +#include <crypto/skcipher.h> #include <linux/string.h> #include <linux/pagemap.h> #include <linux/key.h> #include <linux/random.h> -#include <linux/crypto.h> #include <linux/scatterlist.h> #include <linux/slab.h> #include "ecryptfs_kernel.h" @@ -601,12 +602,13 @@ struct ecryptfs_write_tag_70_packet_silly_stack { struct ecryptfs_auth_tok *auth_tok; struct scatterlist src_sg[2]; struct scatterlist dst_sg[2]; - struct blkcipher_desc desc; + struct crypto_skcipher *skcipher_tfm; + struct skcipher_request *skcipher_req; char iv[ECRYPTFS_MAX_IV_BYTES]; char hash[ECRYPTFS_TAG_70_DIGEST_SIZE]; char tmp_hash[ECRYPTFS_TAG_70_DIGEST_SIZE]; - struct hash_desc hash_desc; - struct scatterlist hash_sg; + struct crypto_shash *hash_tfm; + struct shash_desc *hash_desc; }; /** @@ -629,14 +631,13 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, struct key *auth_tok_key = NULL; int rc = 0; - s = kmalloc(sizeof(*s), GFP_KERNEL); + s = kzalloc(sizeof(*s), GFP_KERNEL); if (!s) { printk(KERN_ERR "%s: Out of memory whilst trying to kmalloc " "[%zd] bytes of kernel memory\n", __func__, sizeof(*s)); rc = -ENOMEM; goto out; } - s->desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; (*packet_size) = 0; rc = ecryptfs_find_auth_tok_for_sig( &auth_tok_key, @@ -649,7 +650,7 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, goto out; } rc = ecryptfs_get_tfm_and_mutex_for_cipher_name( - &s->desc.tfm, + &s->skcipher_tfm, &s->tfm_mutex, mount_crypt_stat->global_default_fn_cipher_name); if (unlikely(rc)) { printk(KERN_ERR "Internal error whilst attempting to get " @@ -658,7 +659,7 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, goto out; } mutex_lock(s->tfm_mutex); - s->block_size = crypto_blkcipher_blocksize(s->desc.tfm); + s->block_size = crypto_skcipher_blocksize(s->skcipher_tfm); /* Plus one for the \0 separator between the random prefix * and the plaintext filename */ s->num_rand_bytes = (ECRYPTFS_FILENAME_MIN_RANDOM_PREPEND_BYTES + 1); @@ -691,6 +692,19 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, rc = -EINVAL; goto out_unlock; } + + s->skcipher_req = skcipher_request_alloc(s->skcipher_tfm, GFP_KERNEL); + if (!s->skcipher_req) { + printk(KERN_ERR "%s: Out of kernel memory whilst attempting to " + "skcipher_request_alloc for %s\n", __func__, + crypto_skcipher_driver_name(s->skcipher_tfm)); + rc = -ENOMEM; + goto out_unlock; + } + + skcipher_request_set_callback(s->skcipher_req, + CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); + s->block_aligned_filename = kzalloc(s->block_aligned_filename_size, GFP_KERNEL); if (!s->block_aligned_filename) { @@ -700,7 +714,6 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, rc = -ENOMEM; goto out_unlock; } - s->i = 0; dest[s->i++] = ECRYPTFS_TAG_70_PACKET_TYPE; rc = ecryptfs_write_packet_length(&dest[s->i], (ECRYPTFS_SIG_SIZE @@ -738,40 +751,36 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, "password tokens\n", __func__); goto out_free_unlock; } - sg_init_one( - &s->hash_sg, - (u8 *)s->auth_tok->token.password.session_key_encryption_key, - s->auth_tok->token.password.session_key_encryption_key_bytes); - s->hash_desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; - s->hash_desc.tfm = crypto_alloc_hash(ECRYPTFS_TAG_70_DIGEST, 0, - CRYPTO_ALG_ASYNC); - if (IS_ERR(s->hash_desc.tfm)) { - rc = PTR_ERR(s->hash_desc.tfm); + s->hash_tfm = crypto_alloc_shash(ECRYPTFS_TAG_70_DIGEST, 0, 0); + if (IS_ERR(s->hash_tfm)) { + rc = PTR_ERR(s->hash_tfm); printk(KERN_ERR "%s: Error attempting to " "allocate hash crypto context; rc = [%d]\n", __func__, rc); goto out_free_unlock; } - rc = crypto_hash_init(&s->hash_desc); - if (rc) { - printk(KERN_ERR - "%s: Error initializing crypto hash; rc = [%d]\n", - __func__, rc); - goto out_release_free_unlock; - } - rc = crypto_hash_update( - &s->hash_desc, &s->hash_sg, - s->auth_tok->token.password.session_key_encryption_key_bytes); - if (rc) { - printk(KERN_ERR - "%s: Error updating crypto hash; rc = [%d]\n", - __func__, rc); + + s->hash_desc = kmalloc(sizeof(*s->hash_desc) + + crypto_shash_descsize(s->hash_tfm), GFP_KERNEL); + if (!s->hash_desc) { + printk(KERN_ERR "%s: Out of kernel memory whilst attempting to " + "kmalloc [%zd] bytes\n", __func__, + sizeof(*s->hash_desc) + + crypto_shash_descsize(s->hash_tfm)); + rc = -ENOMEM; goto out_release_free_unlock; } - rc = crypto_hash_final(&s->hash_desc, s->hash); + + s->hash_desc->tfm = s->hash_tfm; + s->hash_desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; + + rc = crypto_shash_digest(s->hash_desc, + (u8 *)s->auth_tok->token.password.session_key_encryption_key, + s->auth_tok->token.password.session_key_encryption_key_bytes, + s->hash); if (rc) { printk(KERN_ERR - "%s: Error finalizing crypto hash; rc = [%d]\n", + "%s: Error computing crypto hash; rc = [%d]\n", __func__, rc); goto out_release_free_unlock; } @@ -780,27 +789,12 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, s->hash[(s->j % ECRYPTFS_TAG_70_DIGEST_SIZE)]; if ((s->j % ECRYPTFS_TAG_70_DIGEST_SIZE) == (ECRYPTFS_TAG_70_DIGEST_SIZE - 1)) { - sg_init_one(&s->hash_sg, (u8 *)s->hash, - ECRYPTFS_TAG_70_DIGEST_SIZE); - rc = crypto_hash_init(&s->hash_desc); - if (rc) { - printk(KERN_ERR - "%s: Error initializing crypto hash; " - "rc = [%d]\n", __func__, rc); - goto out_release_free_unlock; - } - rc = crypto_hash_update(&s->hash_desc, &s->hash_sg, - ECRYPTFS_TAG_70_DIGEST_SIZE); + rc = crypto_shash_digest(s->hash_desc, (u8 *)s->hash, + ECRYPTFS_TAG_70_DIGEST_SIZE, + s->tmp_hash); if (rc) { printk(KERN_ERR - "%s: Error updating crypto hash; " - "rc = [%d]\n", __func__, rc); - goto out_release_free_unlock; - } - rc = crypto_hash_final(&s->hash_desc, s->tmp_hash); - if (rc) { - printk(KERN_ERR - "%s: Error finalizing crypto hash; " + "%s: Error computing crypto hash; " "rc = [%d]\n", __func__, rc); goto out_release_free_unlock; } @@ -834,10 +828,8 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, * of the IV here, so we just use 0's for the IV. Note the * constraint that ECRYPTFS_FILENAME_MIN_RANDOM_PREPEND_BYTES * >= ECRYPTFS_MAX_IV_BYTES. */ - memset(s->iv, 0, ECRYPTFS_MAX_IV_BYTES); - s->desc.info = s->iv; - rc = crypto_blkcipher_setkey( - s->desc.tfm, + rc = crypto_skcipher_setkey( + s->skcipher_tfm, s->auth_tok->token.password.session_key_encryption_key, mount_crypt_stat->global_default_fn_cipher_key_bytes); if (rc < 0) { @@ -850,8 +842,9 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, mount_crypt_stat->global_default_fn_cipher_key_bytes); goto out_release_free_unlock; } - rc = crypto_blkcipher_encrypt_iv(&s->desc, s->dst_sg, s->src_sg, - s->block_aligned_filename_size); + skcipher_request_set_crypt(s->skcipher_req, s->src_sg, s->dst_sg, + s->block_aligned_filename_size, s->iv); + rc = crypto_skcipher_encrypt(s->skcipher_req); if (rc) { printk(KERN_ERR "%s: Error attempting to encrypt filename; " "rc = [%d]\n", __func__, rc); @@ -861,7 +854,7 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, (*packet_size) = s->i; (*remaining_bytes) -= (*packet_size); out_release_free_unlock: - crypto_free_hash(s->hash_desc.tfm); + crypto_free_shash(s->hash_tfm); out_free_unlock: kzfree(s->block_aligned_filename); out_unlock: @@ -871,6 +864,8 @@ out: up_write(&(auth_tok_key->sem)); key_put(auth_tok_key); } + skcipher_request_free(s->skcipher_req); + kzfree(s->hash_desc); kfree(s); return rc; } @@ -888,7 +883,8 @@ struct ecryptfs_parse_tag_70_packet_silly_stack { struct ecryptfs_auth_tok *auth_tok; struct scatterlist src_sg[2]; struct scatterlist dst_sg[2]; - struct blkcipher_desc desc; + struct crypto_skcipher *skcipher_tfm; + struct skcipher_request *skcipher_req; char fnek_sig_hex[ECRYPTFS_SIG_SIZE_HEX + 1]; char iv[ECRYPTFS_MAX_IV_BYTES]; char cipher_string[ECRYPTFS_MAX_CIPHER_NAME_SIZE + 1]; @@ -922,14 +918,13 @@ ecryptfs_parse_tag_70_packet(char **filename, size_t *filename_size, (*packet_size) = 0; (*filename_size) = 0; (*filename) = NULL; - s = kmalloc(sizeof(*s), GFP_KERNEL); + s = kzalloc(sizeof(*s), GFP_KERNEL); if (!s) { printk(KERN_ERR "%s: Out of memory whilst trying to kmalloc " "[%zd] bytes of kernel memory\n", __func__, sizeof(*s)); rc = -ENOMEM; goto out; } - s->desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; if (max_packet_size < ECRYPTFS_TAG_70_MIN_METADATA_SIZE) { printk(KERN_WARNING "%s: max_packet_size is [%zd]; it must be " "at least [%d]\n", __func__, max_packet_size, @@ -992,7 +987,7 @@ ecryptfs_parse_tag_70_packet(char **filename, size_t *filename_size, rc); goto out; } - rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&s->desc.tfm, + rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&s->skcipher_tfm, &s->tfm_mutex, s->cipher_string); if (unlikely(rc)) { @@ -1030,12 +1025,23 @@ ecryptfs_parse_tag_70_packet(char **filename, size_t *filename_size, __func__, rc, s->block_aligned_filename_size); goto out_free_unlock; } + + s->skcipher_req = skcipher_request_alloc(s->skcipher_tfm, GFP_KERNEL); + if (!s->skcipher_req) { + printk(KERN_ERR "%s: Out of kernel memory whilst attempting to " + "skcipher_request_alloc for %s\n", __func__, + crypto_skcipher_driver_name(s->skcipher_tfm)); + rc = -ENOMEM; + goto out_free_unlock; + } + + skcipher_request_set_callback(s->skcipher_req, + CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); + /* The characters in the first block effectively do the job of * the IV here, so we just use 0's for the IV. Note the * constraint that ECRYPTFS_FILENAME_MIN_RANDOM_PREPEND_BYTES * >= ECRYPTFS_MAX_IV_BYTES. */ - memset(s->iv, 0, ECRYPTFS_MAX_IV_BYTES); - s->desc.info = s->iv; /* TODO: Support other key modules than passphrase for * filename encryption */ if (s->auth_tok->token_type != ECRYPTFS_PASSWORD) { @@ -1044,8 +1050,8 @@ ecryptfs_parse_tag_70_packet(char **filename, size_t *filename_size, "password tokens\n", __func__); goto out_free_unlock; } - rc = crypto_blkcipher_setkey( - s->desc.tfm, + rc = crypto_skcipher_setkey( + s->skcipher_tfm, s->auth_tok->token.password.session_key_encryption_key, mount_crypt_stat->global_default_fn_cipher_key_bytes); if (rc < 0) { @@ -1058,14 +1064,14 @@ ecryptfs_parse_tag_70_packet(char **filename, size_t *filename_size, mount_crypt_stat->global_default_fn_cipher_key_bytes); goto out_free_unlock; } - rc = crypto_blkcipher_decrypt_iv(&s->desc, s->dst_sg, s->src_sg, - s->block_aligned_filename_size); + skcipher_request_set_crypt(s->skcipher_req, s->src_sg, s->dst_sg, + s->block_aligned_filename_size, s->iv); + rc = crypto_skcipher_decrypt(s->skcipher_req); if (rc) { printk(KERN_ERR "%s: Error attempting to decrypt filename; " "rc = [%d]\n", __func__, rc); goto out_free_unlock; } - s->i = 0; while (s->decrypted_filename[s->i] != '\0' && s->i < s->block_aligned_filename_size) s->i++; @@ -1108,6 +1114,7 @@ out: up_write(&(auth_tok_key->sem)); key_put(auth_tok_key); } + skcipher_request_free(s->skcipher_req); kfree(s); return rc; } @@ -1667,9 +1674,8 @@ decrypt_passphrase_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok, struct scatterlist dst_sg[2]; struct scatterlist src_sg[2]; struct mutex *tfm_mutex; - struct blkcipher_desc desc = { - .flags = CRYPTO_TFM_REQ_MAY_SLEEP - }; + struct crypto_skcipher *tfm; + struct skcipher_request *req = NULL; int rc = 0; if (unlikely(ecryptfs_verbosity > 0)) { @@ -1680,7 +1686,7 @@ decrypt_passphrase_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok, auth_tok->token.password.session_key_encryption_key, auth_tok->token.password.session_key_encryption_key_bytes); } - rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&desc.tfm, &tfm_mutex, + rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&tfm, &tfm_mutex, crypt_stat->cipher); if (unlikely(rc)) { printk(KERN_ERR "Internal error whilst attempting to get " @@ -1711,8 +1717,20 @@ decrypt_passphrase_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok, goto out; } mutex_lock(tfm_mutex); - rc = crypto_blkcipher_setkey( - desc.tfm, auth_tok->token.password.session_key_encryption_key, + req = skcipher_request_alloc(tfm, GFP_KERNEL); + if (!req) { + mutex_unlock(tfm_mutex); + printk(KERN_ERR "%s: Out of kernel memory whilst attempting to " + "skcipher_request_alloc for %s\n", __func__, + crypto_skcipher_driver_name(tfm)); + rc = -ENOMEM; + goto out; + } + + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, + NULL, NULL); + rc = crypto_skcipher_setkey( + tfm, auth_tok->token.password.session_key_encryption_key, crypt_stat->key_size); if (unlikely(rc < 0)) { mutex_unlock(tfm_mutex); @@ -1720,8 +1738,10 @@ decrypt_passphrase_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok, rc = -EINVAL; goto out; } - rc = crypto_blkcipher_decrypt(&desc, dst_sg, src_sg, - auth_tok->session_key.encrypted_key_size); + skcipher_request_set_crypt(req, src_sg, dst_sg, + auth_tok->session_key.encrypted_key_size, + NULL); + rc = crypto_skcipher_decrypt(req); mutex_unlock(tfm_mutex); if (unlikely(rc)) { printk(KERN_ERR "Error decrypting; rc = [%d]\n", rc); @@ -1738,6 +1758,7 @@ decrypt_passphrase_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok, crypt_stat->key_size); } out: + skcipher_request_free(req); return rc; } @@ -2191,16 +2212,14 @@ write_tag_3_packet(char *dest, size_t *remaining_bytes, size_t max_packet_size; struct ecryptfs_mount_crypt_stat *mount_crypt_stat = crypt_stat->mount_crypt_stat; - struct blkcipher_desc desc = { - .tfm = NULL, - .flags = CRYPTO_TFM_REQ_MAY_SLEEP - }; + struct crypto_skcipher *tfm; + struct skcipher_request *req; int rc = 0; (*packet_size) = 0; ecryptfs_from_hex(key_rec->sig, auth_tok->token.password.signature, ECRYPTFS_SIG_SIZE); - rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&desc.tfm, &tfm_mutex, + rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&tfm, &tfm_mutex, crypt_stat->cipher); if (unlikely(rc)) { printk(KERN_ERR "Internal error whilst attempting to get " @@ -2209,12 +2228,11 @@ write_tag_3_packet(char *dest, size_t *remaining_bytes, goto out; } if (mount_crypt_stat->global_default_cipher_key_size == 0) { - struct blkcipher_alg *alg = crypto_blkcipher_alg(desc.tfm); - printk(KERN_WARNING "No key size specified at mount; " - "defaulting to [%d]\n", alg->max_keysize); + "defaulting to [%d]\n", + crypto_skcipher_default_keysize(tfm)); mount_crypt_stat->global_default_cipher_key_size = - alg->max_keysize; + crypto_skcipher_default_keysize(tfm); } if (crypt_stat->key_size == 0) crypt_stat->key_size = @@ -2284,20 +2302,36 @@ write_tag_3_packet(char *dest, size_t *remaining_bytes, goto out; } mutex_lock(tfm_mutex); - rc = crypto_blkcipher_setkey(desc.tfm, session_key_encryption_key, - crypt_stat->key_size); + rc = crypto_skcipher_setkey(tfm, session_key_encryption_key, + crypt_stat->key_size); if (rc < 0) { mutex_unlock(tfm_mutex); ecryptfs_printk(KERN_ERR, "Error setting key for crypto " "context; rc = [%d]\n", rc); goto out; } + + req = skcipher_request_alloc(tfm, GFP_KERNEL); + if (!req) { + mutex_unlock(tfm_mutex); + ecryptfs_printk(KERN_ERR, "Out of kernel memory whilst " + "attempting to skcipher_request_alloc for " + "%s\n", crypto_skcipher_driver_name(tfm)); + rc = -ENOMEM; + goto out; + } + + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, + NULL, NULL); + rc = 0; ecryptfs_printk(KERN_DEBUG, "Encrypting [%zd] bytes of the key\n", crypt_stat->key_size); - rc = crypto_blkcipher_encrypt(&desc, dst_sg, src_sg, - (*key_rec).enc_key_size); + skcipher_request_set_crypt(req, src_sg, dst_sg, + (*key_rec).enc_key_size, NULL); + rc = crypto_skcipher_encrypt(req); mutex_unlock(tfm_mutex); + skcipher_request_free(req); if (rc) { printk(KERN_ERR "Error encrypting; rc = [%d]\n", rc); goto out; diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index e25b6b0..8b0b4a7 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -29,7 +29,6 @@ #include <linux/module.h> #include <linux/namei.h> #include <linux/skbuff.h> -#include <linux/crypto.h> #include <linux/mount.h> #include <linux/pagemap.h> #include <linux/key.h> diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index c6ced4c..1f58652 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -30,7 +30,6 @@ #include <linux/page-flags.h> #include <linux/mount.h> #include <linux/file.h> -#include <linux/crypto.h> #include <linux/scatterlist.h> #include <linux/slab.h> #include <asm/unaligned.h> diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c index afa1b81..77a486d 100644 --- a/fs/ecryptfs/super.c +++ b/fs/ecryptfs/super.c @@ -29,7 +29,6 @@ #include <linux/slab.h> #include <linux/seq_file.h> #include <linux/file.h> -#include <linux/crypto.h> #include <linux/statfs.h> #include <linux/magic.h> #include "ecryptfs_kernel.h" diff --git a/fs/ext4/crypto.c b/fs/ext4/crypto.c index 38f7562..edc053a 100644 --- a/fs/ext4/crypto.c +++ b/fs/ext4/crypto.c @@ -18,11 +18,9 @@ * Special Publication 800-38E and IEEE P1619/D16. */ -#include <crypto/hash.h> -#include <crypto/sha.h> +#include <crypto/skcipher.h> #include <keys/user-type.h> #include <keys/encrypted-type.h> -#include <linux/crypto.h> #include <linux/ecryptfs.h> #include <linux/gfp.h> #include <linux/kernel.h> @@ -261,21 +259,21 @@ static int ext4_page_crypto(struct inode *inode, { u8 xts_tweak[EXT4_XTS_TWEAK_SIZE]; - struct ablkcipher_request *req = NULL; + struct skcipher_request *req = NULL; DECLARE_EXT4_COMPLETION_RESULT(ecr); struct scatterlist dst, src; struct ext4_crypt_info *ci = EXT4_I(inode)->i_crypt_info; - struct crypto_ablkcipher *tfm = ci->ci_ctfm; + struct crypto_skcipher *tfm = ci->ci_ctfm; int res = 0; - req = ablkcipher_request_alloc(tfm, GFP_NOFS); + req = skcipher_request_alloc(tfm, GFP_NOFS); if (!req) { printk_ratelimited(KERN_ERR "%s: crypto_request_alloc() failed\n", __func__); return -ENOMEM; } - ablkcipher_request_set_callback( + skcipher_request_set_callback( req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, ext4_crypt_complete, &ecr); @@ -288,21 +286,21 @@ static int ext4_page_crypto(struct inode *inode, sg_set_page(&dst, dest_page, PAGE_CACHE_SIZE, 0); sg_init_table(&src, 1); sg_set_page(&src, src_page, PAGE_CACHE_SIZE, 0); - ablkcipher_request_set_crypt(req, &src, &dst, PAGE_CACHE_SIZE, - xts_tweak); + skcipher_request_set_crypt(req, &src, &dst, PAGE_CACHE_SIZE, + xts_tweak); if (rw == EXT4_DECRYPT) - res = crypto_ablkcipher_decrypt(req); + res = crypto_skcipher_decrypt(req); else - res = crypto_ablkcipher_encrypt(req); + res = crypto_skcipher_encrypt(req); if (res == -EINPROGRESS || res == -EBUSY) { wait_for_completion(&ecr.completion); res = ecr.res; } - ablkcipher_request_free(req); + skcipher_request_free(req); if (res) { printk_ratelimited( KERN_ERR - "%s: crypto_ablkcipher_encrypt() returned %d\n", + "%s: crypto_skcipher_encrypt() returned %d\n", __func__, res); return res; } diff --git a/fs/ext4/crypto_fname.c b/fs/ext4/crypto_fname.c index 2fbef8a..1a2f360 100644 --- a/fs/ext4/crypto_fname.c +++ b/fs/ext4/crypto_fname.c @@ -11,11 +11,9 @@ * */ -#include <crypto/hash.h> -#include <crypto/sha.h> +#include <crypto/skcipher.h> #include <keys/encrypted-type.h> #include <keys/user-type.h> -#include <linux/crypto.h> #include <linux/gfp.h> #include <linux/kernel.h> #include <linux/key.h> @@ -65,10 +63,10 @@ static int ext4_fname_encrypt(struct inode *inode, struct ext4_str *oname) { u32 ciphertext_len; - struct ablkcipher_request *req = NULL; + struct skcipher_request *req = NULL; DECLARE_EXT4_COMPLETION_RESULT(ecr); struct ext4_crypt_info *ci = EXT4_I(inode)->i_crypt_info; - struct crypto_ablkcipher *tfm = ci->ci_ctfm; + struct crypto_skcipher *tfm = ci->ci_ctfm; int res = 0; char iv[EXT4_CRYPTO_BLOCK_SIZE]; struct scatterlist src_sg, dst_sg; @@ -95,14 +93,14 @@ static int ext4_fname_encrypt(struct inode *inode, } /* Allocate request */ - req = ablkcipher_request_alloc(tfm, GFP_NOFS); + req = skcipher_request_alloc(tfm, GFP_NOFS); if (!req) { printk_ratelimited( KERN_ERR "%s: crypto_request_alloc() failed\n", __func__); kfree(alloc_buf); return -ENOMEM; } - ablkcipher_request_set_callback(req, + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, ext4_dir_crypt_complete, &ecr); @@ -117,14 +115,14 @@ static int ext4_fname_encrypt(struct inode *inode, /* Create encryption request */ sg_init_one(&src_sg, workbuf, ciphertext_len); sg_init_one(&dst_sg, oname->name, ciphertext_len); - ablkcipher_request_set_crypt(req, &src_sg, &dst_sg, ciphertext_len, iv); - res = crypto_ablkcipher_encrypt(req); + skcipher_request_set_crypt(req, &src_sg, &dst_sg, ciphertext_len, iv); + res = crypto_skcipher_encrypt(req); if (res == -EINPROGRESS || res == -EBUSY) { wait_for_completion(&ecr.completion); res = ecr.res; } kfree(alloc_buf); - ablkcipher_request_free(req); + skcipher_request_free(req); if (res < 0) { printk_ratelimited( KERN_ERR "%s: Error (error code %d)\n", __func__, res); @@ -145,11 +143,11 @@ static int ext4_fname_decrypt(struct inode *inode, struct ext4_str *oname) { struct ext4_str tmp_in[2], tmp_out[1]; - struct ablkcipher_request *req = NULL; + struct skcipher_request *req = NULL; DECLARE_EXT4_COMPLETION_RESULT(ecr); struct scatterlist src_sg, dst_sg; struct ext4_crypt_info *ci = EXT4_I(inode)->i_crypt_info; - struct crypto_ablkcipher *tfm = ci->ci_ctfm; + struct crypto_skcipher *tfm = ci->ci_ctfm; int res = 0; char iv[EXT4_CRYPTO_BLOCK_SIZE]; unsigned lim = max_name_len(inode); @@ -162,13 +160,13 @@ static int ext4_fname_decrypt(struct inode *inode, tmp_out[0].name = oname->name; /* Allocate request */ - req = ablkcipher_request_alloc(tfm, GFP_NOFS); + req = skcipher_request_alloc(tfm, GFP_NOFS); if (!req) { printk_ratelimited( KERN_ERR "%s: crypto_request_alloc() failed\n", __func__); return -ENOMEM; } - ablkcipher_request_set_callback(req, + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, ext4_dir_crypt_complete, &ecr); @@ -178,13 +176,13 @@ static int ext4_fname_decrypt(struct inode *inode, /* Create encryption request */ sg_init_one(&src_sg, iname->name, iname->len); sg_init_one(&dst_sg, oname->name, oname->len); - ablkcipher_request_set_crypt(req, &src_sg, &dst_sg, iname->len, iv); - res = crypto_ablkcipher_decrypt(req); + skcipher_request_set_crypt(req, &src_sg, &dst_sg, iname->len, iv); + res = crypto_skcipher_decrypt(req); if (res == -EINPROGRESS || res == -EBUSY) { wait_for_completion(&ecr.completion); res = ecr.res; } - ablkcipher_request_free(req); + skcipher_request_free(req); if (res < 0) { printk_ratelimited( KERN_ERR "%s: Error in ext4_fname_encrypt (error code %d)\n", diff --git a/fs/ext4/crypto_key.c b/fs/ext4/crypto_key.c index 9a16d1e..0129d68 100644 --- a/fs/ext4/crypto_key.c +++ b/fs/ext4/crypto_key.c @@ -8,6 +8,7 @@ * Written by Michael Halcrow, Ildar Muslukhov, and Uday Savagaonkar, 2015. */ +#include <crypto/skcipher.h> #include <keys/encrypted-type.h> #include <keys/user-type.h> #include <linux/random.h> @@ -41,45 +42,42 @@ static int ext4_derive_key_aes(char deriving_key[EXT4_AES_128_ECB_KEY_SIZE], char derived_key[EXT4_AES_256_XTS_KEY_SIZE]) { int res = 0; - struct ablkcipher_request *req = NULL; + struct skcipher_request *req = NULL; DECLARE_EXT4_COMPLETION_RESULT(ecr); struct scatterlist src_sg, dst_sg; - struct crypto_ablkcipher *tfm = crypto_alloc_ablkcipher("ecb(aes)", 0, - 0); + struct crypto_skcipher *tfm = crypto_alloc_skcipher("ecb(aes)", 0, 0); if (IS_ERR(tfm)) { res = PTR_ERR(tfm); tfm = NULL; goto out; } - crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_REQ_WEAK_KEY); - req = ablkcipher_request_alloc(tfm, GFP_NOFS); + crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_WEAK_KEY); + req = skcipher_request_alloc(tfm, GFP_NOFS); if (!req) { res = -ENOMEM; goto out; } - ablkcipher_request_set_callback(req, + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, derive_crypt_complete, &ecr); - res = crypto_ablkcipher_setkey(tfm, deriving_key, - EXT4_AES_128_ECB_KEY_SIZE); + res = crypto_skcipher_setkey(tfm, deriving_key, + EXT4_AES_128_ECB_KEY_SIZE); if (res < 0) goto out; sg_init_one(&src_sg, source_key, EXT4_AES_256_XTS_KEY_SIZE); sg_init_one(&dst_sg, derived_key, EXT4_AES_256_XTS_KEY_SIZE); - ablkcipher_request_set_crypt(req, &src_sg, &dst_sg, - EXT4_AES_256_XTS_KEY_SIZE, NULL); - res = crypto_ablkcipher_encrypt(req); + skcipher_request_set_crypt(req, &src_sg, &dst_sg, + EXT4_AES_256_XTS_KEY_SIZE, NULL); + res = crypto_skcipher_encrypt(req); if (res == -EINPROGRESS || res == -EBUSY) { wait_for_completion(&ecr.completion); res = ecr.res; } out: - if (req) - ablkcipher_request_free(req); - if (tfm) - crypto_free_ablkcipher(tfm); + skcipher_request_free(req); + crypto_free_skcipher(tfm); return res; } @@ -90,7 +88,7 @@ void ext4_free_crypt_info(struct ext4_crypt_info *ci) if (ci->ci_keyring_key) key_put(ci->ci_keyring_key); - crypto_free_ablkcipher(ci->ci_ctfm); + crypto_free_skcipher(ci->ci_ctfm); kmem_cache_free(ext4_crypt_info_cachep, ci); } @@ -122,7 +120,7 @@ int _ext4_get_encryption_info(struct inode *inode) struct ext4_encryption_context ctx; const struct user_key_payload *ukp; struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); - struct crypto_ablkcipher *ctfm; + struct crypto_skcipher *ctfm; const char *cipher_str; char raw_key[EXT4_MAX_KEY_SIZE]; char mode; @@ -237,7 +235,7 @@ retry: if (res) goto out; got_key: - ctfm = crypto_alloc_ablkcipher(cipher_str, 0, 0); + ctfm = crypto_alloc_skcipher(cipher_str, 0, 0); if (!ctfm || IS_ERR(ctfm)) { res = ctfm ? PTR_ERR(ctfm) : -ENOMEM; printk(KERN_DEBUG @@ -246,11 +244,11 @@ got_key: goto out; } crypt_info->ci_ctfm = ctfm; - crypto_ablkcipher_clear_flags(ctfm, ~0); - crypto_tfm_set_flags(crypto_ablkcipher_tfm(ctfm), + crypto_skcipher_clear_flags(ctfm, ~0); + crypto_tfm_set_flags(crypto_skcipher_tfm(ctfm), CRYPTO_TFM_REQ_WEAK_KEY); - res = crypto_ablkcipher_setkey(ctfm, raw_key, - ext4_encryption_key_size(mode)); + res = crypto_skcipher_setkey(ctfm, raw_key, + ext4_encryption_key_size(mode)); if (res) goto out; memzero_explicit(raw_key, sizeof(raw_key)); diff --git a/fs/ext4/ext4_crypto.h b/fs/ext4/ext4_crypto.h index ac7d4e8..1f73c29 100644 --- a/fs/ext4/ext4_crypto.h +++ b/fs/ext4/ext4_crypto.h @@ -77,7 +77,7 @@ struct ext4_crypt_info { char ci_data_mode; char ci_filename_mode; char ci_flags; - struct crypto_ablkcipher *ci_ctfm; + struct crypto_skcipher *ci_ctfm; struct key *ci_keyring_key; char ci_master_key[EXT4_KEY_DESCRIPTOR_SIZE]; }; diff --git a/fs/f2fs/crypto.c b/fs/f2fs/crypto.c index 4a62ef1..95c5cf0 100644 --- a/fs/f2fs/crypto.c +++ b/fs/f2fs/crypto.c @@ -23,11 +23,9 @@ * The usage of AES-XTS should conform to recommendations in NIST * Special Publication 800-38E and IEEE P1619/D16. */ -#include <crypto/hash.h> -#include <crypto/sha.h> +#include <crypto/skcipher.h> #include <keys/user-type.h> #include <keys/encrypted-type.h> -#include <linux/crypto.h> #include <linux/ecryptfs.h> #include <linux/gfp.h> #include <linux/kernel.h> @@ -328,21 +326,21 @@ static int f2fs_page_crypto(struct f2fs_crypto_ctx *ctx, struct page *dest_page) { u8 xts_tweak[F2FS_XTS_TWEAK_SIZE]; - struct ablkcipher_request *req = NULL; + struct skcipher_request *req = NULL; DECLARE_F2FS_COMPLETION_RESULT(ecr); struct scatterlist dst, src; struct f2fs_crypt_info *ci = F2FS_I(inode)->i_crypt_info; - struct crypto_ablkcipher *tfm = ci->ci_ctfm; + struct crypto_skcipher *tfm = ci->ci_ctfm; int res = 0; - req = ablkcipher_request_alloc(tfm, GFP_NOFS); + req = skcipher_request_alloc(tfm, GFP_NOFS); if (!req) { printk_ratelimited(KERN_ERR "%s: crypto_request_alloc() failed\n", __func__); return -ENOMEM; } - ablkcipher_request_set_callback( + skcipher_request_set_callback( req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, f2fs_crypt_complete, &ecr); @@ -355,21 +353,21 @@ static int f2fs_page_crypto(struct f2fs_crypto_ctx *ctx, sg_set_page(&dst, dest_page, PAGE_CACHE_SIZE, 0); sg_init_table(&src, 1); sg_set_page(&src, src_page, PAGE_CACHE_SIZE, 0); - ablkcipher_request_set_crypt(req, &src, &dst, PAGE_CACHE_SIZE, - xts_tweak); + skcipher_request_set_crypt(req, &src, &dst, PAGE_CACHE_SIZE, + xts_tweak); if (rw == F2FS_DECRYPT) - res = crypto_ablkcipher_decrypt(req); + res = crypto_skcipher_decrypt(req); else - res = crypto_ablkcipher_encrypt(req); + res = crypto_skcipher_encrypt(req); if (res == -EINPROGRESS || res == -EBUSY) { BUG_ON(req->base.data != &ecr); wait_for_completion(&ecr.completion); res = ecr.res; } - ablkcipher_request_free(req); + skcipher_request_free(req); if (res) { printk_ratelimited(KERN_ERR - "%s: crypto_ablkcipher_encrypt() returned %d\n", + "%s: crypto_skcipher_encrypt() returned %d\n", __func__, res); return res; } diff --git a/fs/f2fs/crypto_fname.c b/fs/f2fs/crypto_fname.c index ab377d4..16aec66 100644 --- a/fs/f2fs/crypto_fname.c +++ b/fs/f2fs/crypto_fname.c @@ -15,11 +15,9 @@ * * This has not yet undergone a rigorous security audit. */ -#include <crypto/hash.h> -#include <crypto/sha.h> +#include <crypto/skcipher.h> #include <keys/encrypted-type.h> #include <keys/user-type.h> -#include <linux/crypto.h> #include <linux/gfp.h> #include <linux/kernel.h> #include <linux/key.h> @@ -70,10 +68,10 @@ static int f2fs_fname_encrypt(struct inode *inode, const struct qstr *iname, struct f2fs_str *oname) { u32 ciphertext_len; - struct ablkcipher_request *req = NULL; + struct skcipher_request *req = NULL; DECLARE_F2FS_COMPLETION_RESULT(ecr); struct f2fs_crypt_info *ci = F2FS_I(inode)->i_crypt_info; - struct crypto_ablkcipher *tfm = ci->ci_ctfm; + struct crypto_skcipher *tfm = ci->ci_ctfm; int res = 0; char iv[F2FS_CRYPTO_BLOCK_SIZE]; struct scatterlist src_sg, dst_sg; @@ -99,14 +97,14 @@ static int f2fs_fname_encrypt(struct inode *inode, } /* Allocate request */ - req = ablkcipher_request_alloc(tfm, GFP_NOFS); + req = skcipher_request_alloc(tfm, GFP_NOFS); if (!req) { printk_ratelimited(KERN_ERR "%s: crypto_request_alloc() failed\n", __func__); kfree(alloc_buf); return -ENOMEM; } - ablkcipher_request_set_callback(req, + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, f2fs_dir_crypt_complete, &ecr); @@ -121,15 +119,15 @@ static int f2fs_fname_encrypt(struct inode *inode, /* Create encryption request */ sg_init_one(&src_sg, workbuf, ciphertext_len); sg_init_one(&dst_sg, oname->name, ciphertext_len); - ablkcipher_request_set_crypt(req, &src_sg, &dst_sg, ciphertext_len, iv); - res = crypto_ablkcipher_encrypt(req); + skcipher_request_set_crypt(req, &src_sg, &dst_sg, ciphertext_len, iv); + res = crypto_skcipher_encrypt(req); if (res == -EINPROGRESS || res == -EBUSY) { BUG_ON(req->base.data != &ecr); wait_for_completion(&ecr.completion); res = ecr.res; } kfree(alloc_buf); - ablkcipher_request_free(req); + skcipher_request_free(req); if (res < 0) { printk_ratelimited(KERN_ERR "%s: Error (error code %d)\n", __func__, res); @@ -148,11 +146,11 @@ static int f2fs_fname_encrypt(struct inode *inode, static int f2fs_fname_decrypt(struct inode *inode, const struct f2fs_str *iname, struct f2fs_str *oname) { - struct ablkcipher_request *req = NULL; + struct skcipher_request *req = NULL; DECLARE_F2FS_COMPLETION_RESULT(ecr); struct scatterlist src_sg, dst_sg; struct f2fs_crypt_info *ci = F2FS_I(inode)->i_crypt_info; - struct crypto_ablkcipher *tfm = ci->ci_ctfm; + struct crypto_skcipher *tfm = ci->ci_ctfm; int res = 0; char iv[F2FS_CRYPTO_BLOCK_SIZE]; unsigned lim = max_name_len(inode); @@ -161,13 +159,13 @@ static int f2fs_fname_decrypt(struct inode *inode, return -EIO; /* Allocate request */ - req = ablkcipher_request_alloc(tfm, GFP_NOFS); + req = skcipher_request_alloc(tfm, GFP_NOFS); if (!req) { printk_ratelimited(KERN_ERR "%s: crypto_request_alloc() failed\n", __func__); return -ENOMEM; } - ablkcipher_request_set_callback(req, + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, f2fs_dir_crypt_complete, &ecr); @@ -177,14 +175,14 @@ static int f2fs_fname_decrypt(struct inode *inode, /* Create decryption request */ sg_init_one(&src_sg, iname->name, iname->len); sg_init_one(&dst_sg, oname->name, oname->len); - ablkcipher_request_set_crypt(req, &src_sg, &dst_sg, iname->len, iv); - res = crypto_ablkcipher_decrypt(req); + skcipher_request_set_crypt(req, &src_sg, &dst_sg, iname->len, iv); + res = crypto_skcipher_decrypt(req); if (res == -EINPROGRESS || res == -EBUSY) { BUG_ON(req->base.data != &ecr); wait_for_completion(&ecr.completion); res = ecr.res; } - ablkcipher_request_free(req); + skcipher_request_free(req); if (res < 0) { printk_ratelimited(KERN_ERR "%s: Error in f2fs_fname_decrypt (error code %d)\n", diff --git a/fs/f2fs/crypto_key.c b/fs/f2fs/crypto_key.c index 5de2d86..2aeb627 100644 --- a/fs/f2fs/crypto_key.c +++ b/fs/f2fs/crypto_key.c @@ -14,7 +14,7 @@ #include <linux/random.h> #include <linux/scatterlist.h> #include <uapi/linux/keyctl.h> -#include <crypto/hash.h> +#include <crypto/skcipher.h> #include <linux/f2fs_fs.h> #include "f2fs.h" @@ -44,46 +44,43 @@ static int f2fs_derive_key_aes(char deriving_key[F2FS_AES_128_ECB_KEY_SIZE], char derived_key[F2FS_AES_256_XTS_KEY_SIZE]) { int res = 0; - struct ablkcipher_request *req = NULL; + struct skcipher_request *req = NULL; DECLARE_F2FS_COMPLETION_RESULT(ecr); struct scatterlist src_sg, dst_sg; - struct crypto_ablkcipher *tfm = crypto_alloc_ablkcipher("ecb(aes)", 0, - 0); + struct crypto_skcipher *tfm = crypto_alloc_skcipher("ecb(aes)", 0, 0); if (IS_ERR(tfm)) { res = PTR_ERR(tfm); tfm = NULL; goto out; } - crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_REQ_WEAK_KEY); - req = ablkcipher_request_alloc(tfm, GFP_NOFS); + crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_WEAK_KEY); + req = skcipher_request_alloc(tfm, GFP_NOFS); if (!req) { res = -ENOMEM; goto out; } - ablkcipher_request_set_callback(req, + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, derive_crypt_complete, &ecr); - res = crypto_ablkcipher_setkey(tfm, deriving_key, + res = crypto_skcipher_setkey(tfm, deriving_key, F2FS_AES_128_ECB_KEY_SIZE); if (res < 0) goto out; sg_init_one(&src_sg, source_key, F2FS_AES_256_XTS_KEY_SIZE); sg_init_one(&dst_sg, derived_key, F2FS_AES_256_XTS_KEY_SIZE); - ablkcipher_request_set_crypt(req, &src_sg, &dst_sg, + skcipher_request_set_crypt(req, &src_sg, &dst_sg, F2FS_AES_256_XTS_KEY_SIZE, NULL); - res = crypto_ablkcipher_encrypt(req); + res = crypto_skcipher_encrypt(req); if (res == -EINPROGRESS || res == -EBUSY) { BUG_ON(req->base.data != &ecr); wait_for_completion(&ecr.completion); res = ecr.res; } out: - if (req) - ablkcipher_request_free(req); - if (tfm) - crypto_free_ablkcipher(tfm); + skcipher_request_free(req); + crypto_free_skcipher(tfm); return res; } @@ -93,7 +90,7 @@ static void f2fs_free_crypt_info(struct f2fs_crypt_info *ci) return; key_put(ci->ci_keyring_key); - crypto_free_ablkcipher(ci->ci_ctfm); + crypto_free_skcipher(ci->ci_ctfm); kmem_cache_free(f2fs_crypt_info_cachep, ci); } @@ -123,7 +120,7 @@ int _f2fs_get_encryption_info(struct inode *inode) struct f2fs_encryption_key *master_key; struct f2fs_encryption_context ctx; const struct user_key_payload *ukp; - struct crypto_ablkcipher *ctfm; + struct crypto_skcipher *ctfm; const char *cipher_str; char raw_key[F2FS_MAX_KEY_SIZE]; char mode; @@ -213,7 +210,7 @@ retry: if (res) goto out; - ctfm = crypto_alloc_ablkcipher(cipher_str, 0, 0); + ctfm = crypto_alloc_skcipher(cipher_str, 0, 0); if (!ctfm || IS_ERR(ctfm)) { res = ctfm ? PTR_ERR(ctfm) : -ENOMEM; printk(KERN_DEBUG @@ -222,11 +219,10 @@ retry: goto out; } crypt_info->ci_ctfm = ctfm; - crypto_ablkcipher_clear_flags(ctfm, ~0); - crypto_tfm_set_flags(crypto_ablkcipher_tfm(ctfm), - CRYPTO_TFM_REQ_WEAK_KEY); - res = crypto_ablkcipher_setkey(ctfm, raw_key, - f2fs_encryption_key_size(mode)); + crypto_skcipher_clear_flags(ctfm, ~0); + crypto_skcipher_set_flags(ctfm, CRYPTO_TFM_REQ_WEAK_KEY); + res = crypto_skcipher_setkey(ctfm, raw_key, + f2fs_encryption_key_size(mode)); if (res) goto out; diff --git a/fs/f2fs/f2fs_crypto.h b/fs/f2fs/f2fs_crypto.h index c2c1c2b..ea3d1d7 100644 --- a/fs/f2fs/f2fs_crypto.h +++ b/fs/f2fs/f2fs_crypto.h @@ -78,7 +78,7 @@ struct f2fs_crypt_info { char ci_data_mode; char ci_filename_mode; char ci_flags; - struct crypto_ablkcipher *ci_ctfm; + struct crypto_skcipher *ci_ctfm; struct key *ci_keyring_key; char ci_master_key[F2FS_KEY_DESCRIPTOR_SIZE]; }; diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index dc8ebec..195fe26 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -32,10 +32,10 @@ * */ +#include <crypto/hash.h> #include <linux/file.h> #include <linux/slab.h> #include <linux/namei.h> -#include <linux/crypto.h> #include <linux/sched.h> #include <linux/fs.h> #include <linux/module.h> @@ -104,29 +104,35 @@ static int nfs4_make_rec_clidname(char *dname, const struct xdr_netobj *clname) { struct xdr_netobj cksum; - struct hash_desc desc; - struct scatterlist sg; + struct crypto_shash *tfm; int status; dprintk("NFSD: nfs4_make_rec_clidname for %.*s\n", clname->len, clname->data); - desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; - desc.tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(desc.tfm)) { - status = PTR_ERR(desc.tfm); + tfm = crypto_alloc_shash("md5", 0, 0); + if (IS_ERR(tfm)) { + status = PTR_ERR(tfm); goto out_no_tfm; } - cksum.len = crypto_hash_digestsize(desc.tfm); + cksum.len = crypto_shash_digestsize(tfm); cksum.data = kmalloc(cksum.len, GFP_KERNEL); if (cksum.data == NULL) { status = -ENOMEM; goto out; } - sg_init_one(&sg, clname->data, clname->len); + { + SHASH_DESC_ON_STACK(desc, tfm); + + desc->tfm = tfm; + desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; + + status = crypto_shash_digest(desc, clname->data, clname->len, + cksum.data); + shash_desc_zero(desc); + } - status = crypto_hash_digest(&desc, &sg, sg.length, cksum.data); if (status) goto out; @@ -135,7 +141,7 @@ nfs4_make_rec_clidname(char *dname, const struct xdr_netobj *clname) status = 0; out: kfree(cksum.data); - crypto_free_hash(desc.tfm); + crypto_free_shash(tfm); out_no_tfm: return status; } diff --git a/include/crypto/aead.h b/include/crypto/aead.h index 84d13b1..957bb87 100644 --- a/include/crypto/aead.h +++ b/include/crypto/aead.h @@ -31,10 +31,10 @@ * * For example: authenc(hmac(sha256), cbc(aes)) * - * The example code provided for the asynchronous block cipher operation - * applies here as well. Naturally all *ablkcipher* symbols must be exchanged + * The example code provided for the symmetric key cipher operation + * applies here as well. Naturally all *skcipher* symbols must be exchanged * the *aead* pendants discussed in the following. In addition, for the AEAD - * operation, the aead_request_set_assoc function must be used to set the + * operation, the aead_request_set_ad function must be used to set the * pointer to the associated data memory location before performing the * encryption or decryption operation. In case of an encryption, the associated * data memory is filled during the encryption operation. For decryption, the diff --git a/include/crypto/akcipher.h b/include/crypto/akcipher.h index 354de15..c37cc59 100644 --- a/include/crypto/akcipher.h +++ b/include/crypto/akcipher.h @@ -114,7 +114,7 @@ struct akcipher_alg { */ /** - * crypto_alloc_akcipher() -- allocate AKCIPHER tfm handle + * crypto_alloc_akcipher() - allocate AKCIPHER tfm handle * @alg_name: is the cra_name / name or cra_driver_name / driver name of the * public key algorithm e.g. "rsa" * @type: specifies the type of the algorithm @@ -171,7 +171,7 @@ static inline struct crypto_akcipher *crypto_akcipher_reqtfm( } /** - * crypto_free_akcipher() -- free AKCIPHER tfm handle + * crypto_free_akcipher() - free AKCIPHER tfm handle * * @tfm: AKCIPHER tfm handle allocated with crypto_alloc_akcipher() */ @@ -181,7 +181,7 @@ static inline void crypto_free_akcipher(struct crypto_akcipher *tfm) } /** - * akcipher_request_alloc() -- allocates public key request + * akcipher_request_alloc() - allocates public key request * * @tfm: AKCIPHER tfm handle allocated with crypto_alloc_akcipher() * @gfp: allocation flags @@ -201,7 +201,7 @@ static inline struct akcipher_request *akcipher_request_alloc( } /** - * akcipher_request_free() -- zeroize and free public key request + * akcipher_request_free() - zeroize and free public key request * * @req: request to free */ @@ -211,14 +211,14 @@ static inline void akcipher_request_free(struct akcipher_request *req) } /** - * akcipher_request_set_callback() -- Sets an asynchronous callback. + * akcipher_request_set_callback() - Sets an asynchronous callback. * * Callback will be called when an asynchronous operation on a given * request is finished. * * @req: request that the callback will be set for * @flgs: specify for instance if the operation may backlog - * @cmlp: callback which will be called + * @cmpl: callback which will be called * @data: private data used by the caller */ static inline void akcipher_request_set_callback(struct akcipher_request *req, @@ -232,7 +232,7 @@ static inline void akcipher_request_set_callback(struct akcipher_request *req, } /** - * akcipher_request_set_crypt() -- Sets request parameters + * akcipher_request_set_crypt() - Sets request parameters * * Sets parameters required by crypto operation * @@ -255,7 +255,7 @@ static inline void akcipher_request_set_crypt(struct akcipher_request *req, } /** - * crypto_akcipher_maxsize() -- Get len for output buffer + * crypto_akcipher_maxsize() - Get len for output buffer * * Function returns the dest buffer size required for a given key * @@ -271,7 +271,7 @@ static inline int crypto_akcipher_maxsize(struct crypto_akcipher *tfm) } /** - * crypto_akcipher_encrypt() -- Invoke public key encrypt operation + * crypto_akcipher_encrypt() - Invoke public key encrypt operation * * Function invokes the specific public key encrypt operation for a given * public key algorithm @@ -289,7 +289,7 @@ static inline int crypto_akcipher_encrypt(struct akcipher_request *req) } /** - * crypto_akcipher_decrypt() -- Invoke public key decrypt operation + * crypto_akcipher_decrypt() - Invoke public key decrypt operation * * Function invokes the specific public key decrypt operation for a given * public key algorithm @@ -307,7 +307,7 @@ static inline int crypto_akcipher_decrypt(struct akcipher_request *req) } /** - * crypto_akcipher_sign() -- Invoke public key sign operation + * crypto_akcipher_sign() - Invoke public key sign operation * * Function invokes the specific public key sign operation for a given * public key algorithm @@ -325,7 +325,7 @@ static inline int crypto_akcipher_sign(struct akcipher_request *req) } /** - * crypto_akcipher_verify() -- Invoke public key verify operation + * crypto_akcipher_verify() - Invoke public key verify operation * * Function invokes the specific public key verify operation for a given * public key algorithm @@ -343,7 +343,7 @@ static inline int crypto_akcipher_verify(struct akcipher_request *req) } /** - * crypto_akcipher_set_pub_key() -- Invoke set public key operation + * crypto_akcipher_set_pub_key() - Invoke set public key operation * * Function invokes the algorithm specific set key function, which knows * how to decode and interpret the encoded key @@ -364,7 +364,7 @@ static inline int crypto_akcipher_set_pub_key(struct crypto_akcipher *tfm, } /** - * crypto_akcipher_set_priv_key() -- Invoke set private key operation + * crypto_akcipher_set_priv_key() - Invoke set private key operation * * Function invokes the algorithm specific set key function, which knows * how to decode and interpret the encoded key diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h index c9fe145..eeafd21 100644 --- a/include/crypto/algapi.h +++ b/include/crypto/algapi.h @@ -15,6 +15,7 @@ #include <linux/crypto.h> #include <linux/list.h> #include <linux/kernel.h> +#include <linux/kthread.h> #include <linux/skbuff.h> struct crypto_aead; @@ -128,6 +129,75 @@ struct ablkcipher_walk { unsigned int blocksize; }; +#define ENGINE_NAME_LEN 30 +/* + * struct crypto_engine - crypto hardware engine + * @name: the engine name + * @idling: the engine is entering idle state + * @busy: request pump is busy + * @running: the engine is on working + * @cur_req_prepared: current request is prepared + * @list: link with the global crypto engine list + * @queue_lock: spinlock to syncronise access to request queue + * @queue: the crypto queue of the engine + * @rt: whether this queue is set to run as a realtime task + * @prepare_crypt_hardware: a request will soon arrive from the queue + * so the subsystem requests the driver to prepare the hardware + * by issuing this call + * @unprepare_crypt_hardware: there are currently no more requests on the + * queue so the subsystem notifies the driver that it may relax the + * hardware by issuing this call + * @prepare_request: do some prepare if need before handle the current request + * @unprepare_request: undo any work done by prepare_message() + * @crypt_one_request: do encryption for current request + * @kworker: thread struct for request pump + * @kworker_task: pointer to task for request pump kworker thread + * @pump_requests: work struct for scheduling work to the request pump + * @priv_data: the engine private data + * @cur_req: the current request which is on processing + */ +struct crypto_engine { + char name[ENGINE_NAME_LEN]; + bool idling; + bool busy; + bool running; + bool cur_req_prepared; + + struct list_head list; + spinlock_t queue_lock; + struct crypto_queue queue; + + bool rt; + + int (*prepare_crypt_hardware)(struct crypto_engine *engine); + int (*unprepare_crypt_hardware)(struct crypto_engine *engine); + + int (*prepare_request)(struct crypto_engine *engine, + struct ablkcipher_request *req); + int (*unprepare_request)(struct crypto_engine *engine, + struct ablkcipher_request *req); + int (*crypt_one_request)(struct crypto_engine *engine, + struct ablkcipher_request *req); + + struct kthread_worker kworker; + struct task_struct *kworker_task; + struct kthread_work pump_requests; + + void *priv_data; + struct ablkcipher_request *cur_req; +}; + +int crypto_transfer_request(struct crypto_engine *engine, + struct ablkcipher_request *req, bool need_pump); +int crypto_transfer_request_to_engine(struct crypto_engine *engine, + struct ablkcipher_request *req); +void crypto_finalize_request(struct crypto_engine *engine, + struct ablkcipher_request *req, int err); +int crypto_engine_start(struct crypto_engine *engine); +int crypto_engine_stop(struct crypto_engine *engine); +struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt); +int crypto_engine_exit(struct crypto_engine *engine); + extern const struct crypto_type crypto_ablkcipher_type; extern const struct crypto_type crypto_blkcipher_type; @@ -184,6 +254,10 @@ int crypto_enqueue_request(struct crypto_queue *queue, struct crypto_async_request *request); struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue); int crypto_tfm_in_queue(struct crypto_queue *queue, struct crypto_tfm *tfm); +static inline unsigned int crypto_queue_len(struct crypto_queue *queue) +{ + return queue->qlen; +} /* These functions require the input/output to be aligned as u32. */ void crypto_inc(u8 *a, unsigned int size); @@ -275,24 +349,6 @@ static inline struct cipher_alg *crypto_cipher_alg(struct crypto_cipher *tfm) return &crypto_cipher_tfm(tfm)->__crt_alg->cra_cipher; } -static inline struct crypto_hash *crypto_spawn_hash(struct crypto_spawn *spawn) -{ - u32 type = CRYPTO_ALG_TYPE_HASH; - u32 mask = CRYPTO_ALG_TYPE_HASH_MASK; - - return __crypto_hash_cast(crypto_spawn_tfm(spawn, type, mask)); -} - -static inline void *crypto_hash_ctx(struct crypto_hash *tfm) -{ - return crypto_tfm_ctx(&tfm->base); -} - -static inline void *crypto_hash_ctx_aligned(struct crypto_hash *tfm) -{ - return crypto_tfm_ctx_aligned(&tfm->base); -} - static inline void blkcipher_walk_init(struct blkcipher_walk *walk, struct scatterlist *dst, struct scatterlist *src, diff --git a/include/crypto/compress.h b/include/crypto/compress.h deleted file mode 100644 index 5b67af8..0000000 --- a/include/crypto/compress.h +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Compress: Compression algorithms under the cryptographic API. - * - * Copyright 2008 Sony Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. - * If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef _CRYPTO_COMPRESS_H -#define _CRYPTO_COMPRESS_H - -#include <linux/crypto.h> - - -struct comp_request { - const void *next_in; /* next input byte */ - void *next_out; /* next output byte */ - unsigned int avail_in; /* bytes available at next_in */ - unsigned int avail_out; /* bytes available at next_out */ -}; - -enum zlib_comp_params { - ZLIB_COMP_LEVEL = 1, /* e.g. Z_DEFAULT_COMPRESSION */ - ZLIB_COMP_METHOD, /* e.g. Z_DEFLATED */ - ZLIB_COMP_WINDOWBITS, /* e.g. MAX_WBITS */ - ZLIB_COMP_MEMLEVEL, /* e.g. DEF_MEM_LEVEL */ - ZLIB_COMP_STRATEGY, /* e.g. Z_DEFAULT_STRATEGY */ - __ZLIB_COMP_MAX, -}; - -#define ZLIB_COMP_MAX (__ZLIB_COMP_MAX - 1) - - -enum zlib_decomp_params { - ZLIB_DECOMP_WINDOWBITS = 1, /* e.g. DEF_WBITS */ - __ZLIB_DECOMP_MAX, -}; - -#define ZLIB_DECOMP_MAX (__ZLIB_DECOMP_MAX - 1) - - -struct crypto_pcomp { - struct crypto_tfm base; -}; - -struct pcomp_alg { - int (*compress_setup)(struct crypto_pcomp *tfm, const void *params, - unsigned int len); - int (*compress_init)(struct crypto_pcomp *tfm); - int (*compress_update)(struct crypto_pcomp *tfm, - struct comp_request *req); - int (*compress_final)(struct crypto_pcomp *tfm, - struct comp_request *req); - int (*decompress_setup)(struct crypto_pcomp *tfm, const void *params, - unsigned int len); - int (*decompress_init)(struct crypto_pcomp *tfm); - int (*decompress_update)(struct crypto_pcomp *tfm, - struct comp_request *req); - int (*decompress_final)(struct crypto_pcomp *tfm, - struct comp_request *req); - - struct crypto_alg base; -}; - -extern struct crypto_pcomp *crypto_alloc_pcomp(const char *alg_name, u32 type, - u32 mask); - -static inline struct crypto_tfm *crypto_pcomp_tfm(struct crypto_pcomp *tfm) -{ - return &tfm->base; -} - -static inline void crypto_free_pcomp(struct crypto_pcomp *tfm) -{ - crypto_destroy_tfm(tfm, crypto_pcomp_tfm(tfm)); -} - -static inline struct pcomp_alg *__crypto_pcomp_alg(struct crypto_alg *alg) -{ - return container_of(alg, struct pcomp_alg, base); -} - -static inline struct pcomp_alg *crypto_pcomp_alg(struct crypto_pcomp *tfm) -{ - return __crypto_pcomp_alg(crypto_pcomp_tfm(tfm)->__crt_alg); -} - -static inline int crypto_compress_setup(struct crypto_pcomp *tfm, - const void *params, unsigned int len) -{ - return crypto_pcomp_alg(tfm)->compress_setup(tfm, params, len); -} - -static inline int crypto_compress_init(struct crypto_pcomp *tfm) -{ - return crypto_pcomp_alg(tfm)->compress_init(tfm); -} - -static inline int crypto_compress_update(struct crypto_pcomp *tfm, - struct comp_request *req) -{ - return crypto_pcomp_alg(tfm)->compress_update(tfm, req); -} - -static inline int crypto_compress_final(struct crypto_pcomp *tfm, - struct comp_request *req) -{ - return crypto_pcomp_alg(tfm)->compress_final(tfm, req); -} - -static inline int crypto_decompress_setup(struct crypto_pcomp *tfm, - const void *params, unsigned int len) -{ - return crypto_pcomp_alg(tfm)->decompress_setup(tfm, params, len); -} - -static inline int crypto_decompress_init(struct crypto_pcomp *tfm) -{ - return crypto_pcomp_alg(tfm)->decompress_init(tfm); -} - -static inline int crypto_decompress_update(struct crypto_pcomp *tfm, - struct comp_request *req) -{ - return crypto_pcomp_alg(tfm)->decompress_update(tfm, req); -} - -static inline int crypto_decompress_final(struct crypto_pcomp *tfm, - struct comp_request *req) -{ - return crypto_pcomp_alg(tfm)->decompress_final(tfm, req); -} - -#endif /* _CRYPTO_COMPRESS_H */ diff --git a/include/crypto/drbg.h b/include/crypto/drbg.h index 9756c70..d961b2b 100644 --- a/include/crypto/drbg.h +++ b/include/crypto/drbg.h @@ -117,10 +117,6 @@ struct drbg_state { void *priv_data; /* Cipher handle */ bool seeded; /* DRBG fully seeded? */ bool pr; /* Prediction resistance enabled? */ -#ifdef CONFIG_CRYPTO_FIPS - bool fips_primed; /* Continuous test primed? */ - unsigned char *prev; /* FIPS 140-2 continuous test value */ -#endif struct work_struct seed_work; /* asynchronous seeding support */ struct crypto_rng *jent; const struct drbg_state_ops *d_ops; diff --git a/include/crypto/hash.h b/include/crypto/hash.h index 6361892..1969f14 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -14,6 +14,7 @@ #define _CRYPTO_HASH_H #include <linux/crypto.h> +#include <linux/string.h> struct crypto_ahash; @@ -259,6 +260,28 @@ static inline void crypto_free_ahash(struct crypto_ahash *tfm) crypto_destroy_tfm(tfm, crypto_ahash_tfm(tfm)); } +/** + * crypto_has_ahash() - Search for the availability of an ahash. + * @alg_name: is the cra_name / name or cra_driver_name / driver name of the + * ahash + * @type: specifies the type of the ahash + * @mask: specifies the mask for the ahash + * + * Return: true when the ahash is known to the kernel crypto API; false + * otherwise + */ +int crypto_has_ahash(const char *alg_name, u32 type, u32 mask); + +static inline const char *crypto_ahash_alg_name(struct crypto_ahash *tfm) +{ + return crypto_tfm_alg_name(crypto_ahash_tfm(tfm)); +} + +static inline const char *crypto_ahash_driver_name(struct crypto_ahash *tfm) +{ + return crypto_tfm_alg_driver_name(crypto_ahash_tfm(tfm)); +} + static inline unsigned int crypto_ahash_alignmask( struct crypto_ahash *tfm) { @@ -550,6 +573,12 @@ static inline void ahash_request_free(struct ahash_request *req) kzfree(req); } +static inline void ahash_request_zero(struct ahash_request *req) +{ + memzero_explicit(req, sizeof(*req) + + crypto_ahash_reqsize(crypto_ahash_reqtfm(req))); +} + static inline struct ahash_request *ahash_request_cast( struct crypto_async_request *req) { @@ -657,6 +686,16 @@ static inline void crypto_free_shash(struct crypto_shash *tfm) crypto_destroy_tfm(tfm, crypto_shash_tfm(tfm)); } +static inline const char *crypto_shash_alg_name(struct crypto_shash *tfm) +{ + return crypto_tfm_alg_name(crypto_shash_tfm(tfm)); +} + +static inline const char *crypto_shash_driver_name(struct crypto_shash *tfm) +{ + return crypto_tfm_alg_driver_name(crypto_shash_tfm(tfm)); +} + static inline unsigned int crypto_shash_alignmask( struct crypto_shash *tfm) { @@ -872,4 +911,10 @@ int crypto_shash_final(struct shash_desc *desc, u8 *out); int crypto_shash_finup(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out); +static inline void shash_desc_zero(struct shash_desc *desc) +{ + memzero_explicit(desc, + sizeof(*desc) + crypto_shash_descsize(desc->tfm)); +} + #endif /* _CRYPTO_HASH_H */ diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h index 5554cdd..da38649 100644 --- a/include/crypto/internal/aead.h +++ b/include/crypto/internal/aead.h @@ -80,6 +80,12 @@ static inline u32 aead_request_flags(struct aead_request *req) return req->base.flags; } +static inline struct aead_request *aead_request_cast( + struct crypto_async_request *req) +{ + return container_of(req, struct aead_request, base); +} + static inline void crypto_set_aead_spawn( struct crypto_aead_spawn *spawn, struct crypto_instance *inst) { diff --git a/include/crypto/internal/compress.h b/include/crypto/internal/compress.h deleted file mode 100644 index 178a888..0000000 --- a/include/crypto/internal/compress.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * Compress: Compression algorithms under the cryptographic API. - * - * Copyright 2008 Sony Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. - * If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef _CRYPTO_INTERNAL_COMPRESS_H -#define _CRYPTO_INTERNAL_COMPRESS_H - -#include <crypto/compress.h> - -extern int crypto_register_pcomp(struct pcomp_alg *alg); -extern int crypto_unregister_pcomp(struct pcomp_alg *alg); - -#endif /* _CRYPTO_INTERNAL_COMPRESS_H */ diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h index 3b4af1d..49dae16 100644 --- a/include/crypto/internal/hash.h +++ b/include/crypto/internal/hash.h @@ -57,9 +57,6 @@ int crypto_hash_walk_first(struct ahash_request *req, struct crypto_hash_walk *walk); int crypto_ahash_walk_first(struct ahash_request *req, struct crypto_hash_walk *walk); -int crypto_hash_walk_first_compat(struct hash_desc *hdesc, - struct crypto_hash_walk *walk, - struct scatterlist *sg, unsigned int len); static inline int crypto_ahash_walk_done(struct crypto_hash_walk *walk, int err) diff --git a/include/crypto/skcipher.h b/include/crypto/skcipher.h index fd8742a..905490c 100644 --- a/include/crypto/skcipher.h +++ b/include/crypto/skcipher.h @@ -60,8 +60,7 @@ struct crypto_skcipher { unsigned int ivsize; unsigned int reqsize; - - bool has_setkey; + unsigned int keysize; struct crypto_tfm base; }; @@ -232,6 +231,12 @@ static inline int crypto_has_skcipher(const char *alg_name, u32 type, crypto_skcipher_mask(mask)); } +static inline const char *crypto_skcipher_driver_name( + struct crypto_skcipher *tfm) +{ + return crypto_tfm_alg_driver_name(crypto_skcipher_tfm(tfm)); +} + /** * crypto_skcipher_ivsize() - obtain IV size * @tfm: cipher handle @@ -309,7 +314,13 @@ static inline int crypto_skcipher_setkey(struct crypto_skcipher *tfm, static inline bool crypto_skcipher_has_setkey(struct crypto_skcipher *tfm) { - return tfm->has_setkey; + return tfm->keysize; +} + +static inline unsigned int crypto_skcipher_default_keysize( + struct crypto_skcipher *tfm) +{ + return tfm->keysize; } /** @@ -440,6 +451,13 @@ static inline void skcipher_request_free(struct skcipher_request *req) kzfree(req); } +static inline void skcipher_request_zero(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + + memzero_explicit(req, sizeof(*req) + crypto_skcipher_reqsize(tfm)); +} + /** * skcipher_request_set_callback() - set asynchronous callback function * @req: request handle diff --git a/include/crypto/xts.h b/include/crypto/xts.h index 72c09eb..ede6b97 100644 --- a/include/crypto/xts.h +++ b/include/crypto/xts.h @@ -2,6 +2,9 @@ #define _CRYPTO_XTS_H #include <crypto/b128ops.h> +#include <linux/crypto.h> +#include <crypto/algapi.h> +#include <linux/fips.h> struct scatterlist; struct blkcipher_desc; @@ -24,4 +27,28 @@ int xts_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes, struct xts_crypt_req *req); +static inline int xts_check_key(struct crypto_tfm *tfm, + const u8 *key, unsigned int keylen) +{ + u32 *flags = &tfm->crt_flags; + + /* + * key consists of keys of equal size concatenated, therefore + * the length must be even. + */ + if (keylen % 2) { + *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; + return -EINVAL; + } + + /* ensure that the AES and tweak key are not identical */ + if (fips_enabled && + !crypto_memneq(key, key + (keylen / 2), keylen / 2)) { + *flags |= CRYPTO_TFM_RES_WEAK_KEY; + return -EINVAL; + } + + return 0; +} + #endif /* _CRYPTO_XTS_H */ diff --git a/include/linux/ccp.h b/include/linux/ccp.h index 7f43703..915af30 100644 --- a/include/linux/ccp.h +++ b/include/linux/ccp.h @@ -33,6 +33,18 @@ struct ccp_cmd; */ int ccp_present(void); +#define CCP_VSIZE 16 +#define CCP_VMASK ((unsigned int)((1 << CCP_VSIZE) - 1)) +#define CCP_VERSION(v, r) ((unsigned int)((v << CCP_VSIZE) \ + | (r & CCP_VMASK))) + +/** + * ccp_version - get the version of the CCP + * + * Returns a positive version number, or zero if no CCP + */ +unsigned int ccp_version(void); + /** * ccp_enqueue_cmd - queue an operation for processing by the CCP * @@ -65,6 +77,11 @@ static inline int ccp_present(void) return -ENODEV; } +static inline unsigned int ccp_version(void) +{ + return 0; +} + static inline int ccp_enqueue_cmd(struct ccp_cmd *cmd) { return -ENODEV; diff --git a/include/linux/crypto.h b/include/linux/crypto.h index e71cb70..99c9489 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -54,7 +54,6 @@ #define CRYPTO_ALG_TYPE_AHASH 0x0000000a #define CRYPTO_ALG_TYPE_RNG 0x0000000c #define CRYPTO_ALG_TYPE_AKCIPHER 0x0000000d -#define CRYPTO_ALG_TYPE_PCOMPRESS 0x0000000f #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e #define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c @@ -137,7 +136,6 @@ struct scatterlist; struct crypto_ablkcipher; struct crypto_async_request; struct crypto_blkcipher; -struct crypto_hash; struct crypto_tfm; struct crypto_type; struct skcipher_givcrypt_request; @@ -187,11 +185,6 @@ struct cipher_desc { void *info; }; -struct hash_desc { - struct crypto_hash *tfm; - u32 flags; -}; - /** * DOC: Block Cipher Algorithm Definitions * @@ -519,18 +512,6 @@ struct cipher_tfm { void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); }; -struct hash_tfm { - int (*init)(struct hash_desc *desc); - int (*update)(struct hash_desc *desc, - struct scatterlist *sg, unsigned int nsg); - int (*final)(struct hash_desc *desc, u8 *out); - int (*digest)(struct hash_desc *desc, struct scatterlist *sg, - unsigned int nsg, u8 *out); - int (*setkey)(struct crypto_hash *tfm, const u8 *key, - unsigned int keylen); - unsigned int digestsize; -}; - struct compress_tfm { int (*cot_compress)(struct crypto_tfm *tfm, const u8 *src, unsigned int slen, @@ -543,7 +524,6 @@ struct compress_tfm { #define crt_ablkcipher crt_u.ablkcipher #define crt_blkcipher crt_u.blkcipher #define crt_cipher crt_u.cipher -#define crt_hash crt_u.hash #define crt_compress crt_u.compress struct crypto_tfm { @@ -554,7 +534,6 @@ struct crypto_tfm { struct ablkcipher_tfm ablkcipher; struct blkcipher_tfm blkcipher; struct cipher_tfm cipher; - struct hash_tfm hash; struct compress_tfm compress; } crt_u; @@ -581,10 +560,6 @@ struct crypto_comp { struct crypto_tfm base; }; -struct crypto_hash { - struct crypto_tfm base; -}; - enum { CRYPTOA_UNSPEC, CRYPTOA_ALG, @@ -1577,233 +1552,6 @@ static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, dst, src); } -/** - * DOC: Synchronous Message Digest API - * - * The synchronous message digest API is used with the ciphers of type - * CRYPTO_ALG_TYPE_HASH (listed as type "hash" in /proc/crypto) - */ - -static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) -{ - return (struct crypto_hash *)tfm; -} - -static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) -{ - BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & - CRYPTO_ALG_TYPE_HASH_MASK); - return __crypto_hash_cast(tfm); -} - -/** - * crypto_alloc_hash() - allocate synchronous message digest handle - * @alg_name: is the cra_name / name or cra_driver_name / driver name of the - * message digest cipher - * @type: specifies the type of the cipher - * @mask: specifies the mask for the cipher - * - * Allocate a cipher handle for a message digest. The returned struct - * crypto_hash is the cipher handle that is required for any subsequent - * API invocation for that message digest. - * - * Return: allocated cipher handle in case of success; IS_ERR() is true in case - * of an error, PTR_ERR() returns the error code. - */ -static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, - u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - mask &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_HASH; - mask |= CRYPTO_ALG_TYPE_HASH_MASK; - - return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); -} - -static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) -{ - return &tfm->base; -} - -/** - * crypto_free_hash() - zeroize and free message digest handle - * @tfm: cipher handle to be freed - */ -static inline void crypto_free_hash(struct crypto_hash *tfm) -{ - crypto_free_tfm(crypto_hash_tfm(tfm)); -} - -/** - * crypto_has_hash() - Search for the availability of a message digest - * @alg_name: is the cra_name / name or cra_driver_name / driver name of the - * message digest cipher - * @type: specifies the type of the cipher - * @mask: specifies the mask for the cipher - * - * Return: true when the message digest cipher is known to the kernel crypto - * API; false otherwise - */ -static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - mask &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_HASH; - mask |= CRYPTO_ALG_TYPE_HASH_MASK; - - return crypto_has_alg(alg_name, type, mask); -} - -static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) -{ - return &crypto_hash_tfm(tfm)->crt_hash; -} - -/** - * crypto_hash_blocksize() - obtain block size for message digest - * @tfm: cipher handle - * - * The block size for the message digest cipher referenced with the cipher - * handle is returned. - * - * Return: block size of cipher - */ -static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) -{ - return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); -} - -static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) -{ - return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); -} - -/** - * crypto_hash_digestsize() - obtain message digest size - * @tfm: cipher handle - * - * The size for the message digest created by the message digest cipher - * referenced with the cipher handle is returned. - * - * Return: message digest size - */ -static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) -{ - return crypto_hash_crt(tfm)->digestsize; -} - -static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) -{ - return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); -} - -static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) -{ - crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); -} - -static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) -{ - crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); -} - -/** - * crypto_hash_init() - (re)initialize message digest handle - * @desc: cipher request handle that to be filled by caller -- - * desc.tfm is filled with the hash cipher handle; - * desc.flags is filled with either CRYPTO_TFM_REQ_MAY_SLEEP or 0. - * - * The call (re-)initializes the message digest referenced by the hash cipher - * request handle. Any potentially existing state created by previous - * operations is discarded. - * - * Return: 0 if the message digest initialization was successful; < 0 if an - * error occurred - */ -static inline int crypto_hash_init(struct hash_desc *desc) -{ - return crypto_hash_crt(desc->tfm)->init(desc); -} - -/** - * crypto_hash_update() - add data to message digest for processing - * @desc: cipher request handle - * @sg: scatter / gather list pointing to the data to be added to the message - * digest - * @nbytes: number of bytes to be processed from @sg - * - * Updates the message digest state of the cipher handle pointed to by the - * hash cipher request handle with the input data pointed to by the - * scatter/gather list. - * - * Return: 0 if the message digest update was successful; < 0 if an error - * occurred - */ -static inline int crypto_hash_update(struct hash_desc *desc, - struct scatterlist *sg, - unsigned int nbytes) -{ - return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); -} - -/** - * crypto_hash_final() - calculate message digest - * @desc: cipher request handle - * @out: message digest output buffer -- The caller must ensure that the out - * buffer has a sufficient size (e.g. by using the crypto_hash_digestsize - * function). - * - * Finalize the message digest operation and create the message digest - * based on all data added to the cipher handle. The message digest is placed - * into the output buffer. - * - * Return: 0 if the message digest creation was successful; < 0 if an error - * occurred - */ -static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) -{ - return crypto_hash_crt(desc->tfm)->final(desc, out); -} - -/** - * crypto_hash_digest() - calculate message digest for a buffer - * @desc: see crypto_hash_final() - * @sg: see crypto_hash_update() - * @nbytes: see crypto_hash_update() - * @out: see crypto_hash_final() - * - * This function is a "short-hand" for the function calls of crypto_hash_init, - * crypto_hash_update and crypto_hash_final. The parameters have the same - * meaning as discussed for those separate three functions. - * - * Return: 0 if the message digest creation was successful; < 0 if an error - * occurred - */ -static inline int crypto_hash_digest(struct hash_desc *desc, - struct scatterlist *sg, - unsigned int nbytes, u8 *out) -{ - return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); -} - -/** - * crypto_hash_setkey() - set key for message digest - * @hash: cipher handle - * @key: buffer holding the key - * @keylen: length of the key in bytes - * - * The caller provided key is set for the message digest cipher. The cipher - * handle must point to a keyed hash in order for this function to succeed. - * - * Return: 0 if the setting of the key was successful; < 0 if an error occurred - */ -static inline int crypto_hash_setkey(struct crypto_hash *hash, - const u8 *key, unsigned int keylen) -{ - return crypto_hash_crt(hash)->setkey(hash, key, keylen); -} - static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) { return (struct crypto_comp *)tfm; diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h index df02a41..7df625d 100644 --- a/include/linux/sunrpc/gss_krb5.h +++ b/include/linux/sunrpc/gss_krb5.h @@ -36,7 +36,7 @@ * */ -#include <linux/crypto.h> +#include <crypto/skcipher.h> #include <linux/sunrpc/auth_gss.h> #include <linux/sunrpc/gss_err.h> #include <linux/sunrpc/gss_asn1.h> @@ -71,10 +71,10 @@ struct gss_krb5_enctype { const u32 keyed_cksum; /* is it a keyed cksum? */ const u32 keybytes; /* raw key len, in bytes */ const u32 keylength; /* final key len, in bytes */ - u32 (*encrypt) (struct crypto_blkcipher *tfm, + u32 (*encrypt) (struct crypto_skcipher *tfm, void *iv, void *in, void *out, int length); /* encryption function */ - u32 (*decrypt) (struct crypto_blkcipher *tfm, + u32 (*decrypt) (struct crypto_skcipher *tfm, void *iv, void *in, void *out, int length); /* decryption function */ u32 (*mk_key) (const struct gss_krb5_enctype *gk5e, @@ -98,12 +98,12 @@ struct krb5_ctx { u32 enctype; u32 flags; const struct gss_krb5_enctype *gk5e; /* enctype-specific info */ - struct crypto_blkcipher *enc; - struct crypto_blkcipher *seq; - struct crypto_blkcipher *acceptor_enc; - struct crypto_blkcipher *initiator_enc; - struct crypto_blkcipher *acceptor_enc_aux; - struct crypto_blkcipher *initiator_enc_aux; + struct crypto_skcipher *enc; + struct crypto_skcipher *seq; + struct crypto_skcipher *acceptor_enc; + struct crypto_skcipher *initiator_enc; + struct crypto_skcipher *acceptor_enc_aux; + struct crypto_skcipher *initiator_enc_aux; u8 Ksess[GSS_KRB5_MAX_KEYLEN]; /* session key */ u8 cksum[GSS_KRB5_MAX_KEYLEN]; s32 endtime; @@ -262,24 +262,24 @@ gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset, u32 -krb5_encrypt(struct crypto_blkcipher *key, +krb5_encrypt(struct crypto_skcipher *key, void *iv, void *in, void *out, int length); u32 -krb5_decrypt(struct crypto_blkcipher *key, +krb5_decrypt(struct crypto_skcipher *key, void *iv, void *in, void *out, int length); int -gss_encrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *outbuf, +gss_encrypt_xdr_buf(struct crypto_skcipher *tfm, struct xdr_buf *outbuf, int offset, struct page **pages); int -gss_decrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *inbuf, +gss_decrypt_xdr_buf(struct crypto_skcipher *tfm, struct xdr_buf *inbuf, int offset); s32 krb5_make_seq_num(struct krb5_ctx *kctx, - struct crypto_blkcipher *key, + struct crypto_skcipher *key, int direction, u32 seqnum, unsigned char *cksum, unsigned char *buf); @@ -320,12 +320,12 @@ gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, int krb5_rc4_setup_seq_key(struct krb5_ctx *kctx, - struct crypto_blkcipher *cipher, + struct crypto_skcipher *cipher, unsigned char *cksum); int krb5_rc4_setup_enc_key(struct krb5_ctx *kctx, - struct crypto_blkcipher *cipher, + struct crypto_skcipher *cipher, s32 seqnum); void gss_krb5_make_confounder(char *p, u32 conflen); diff --git a/include/net/sctp/auth.h b/include/net/sctp/auth.h index f2d58aa..9b9fb12 100644 --- a/include/net/sctp/auth.h +++ b/include/net/sctp/auth.h @@ -31,12 +31,12 @@ #define __sctp_auth_h__ #include <linux/list.h> -#include <linux/crypto.h> struct sctp_endpoint; struct sctp_association; struct sctp_authkey; struct sctp_hmacalgo; +struct crypto_shash; /* * Define a generic struct that will hold all the info @@ -90,7 +90,7 @@ int sctp_auth_asoc_copy_shkeys(const struct sctp_endpoint *ep, struct sctp_association *asoc, gfp_t gfp); int sctp_auth_init_hmacs(struct sctp_endpoint *ep, gfp_t gfp); -void sctp_auth_destroy_hmacs(struct crypto_hash *auth_hmacs[]); +void sctp_auth_destroy_hmacs(struct crypto_shash *auth_hmacs[]); struct sctp_hmac *sctp_auth_get_hmac(__u16 hmac_id); struct sctp_hmac *sctp_auth_asoc_get_hmac(const struct sctp_association *asoc); void sctp_auth_asoc_set_default_hmac(struct sctp_association *asoc, diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 205630b..5a57409 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -82,7 +82,7 @@ struct sctp_bind_addr; struct sctp_ulpq; struct sctp_ep_common; struct sctp_ssnmap; -struct crypto_hash; +struct crypto_shash; #include <net/sctp/tsnmap.h> @@ -166,7 +166,7 @@ struct sctp_sock { struct sctp_pf *pf; /* Access to HMAC transform. */ - struct crypto_hash *hmac; + struct crypto_shash *hmac; char *sctp_hmac_alg; /* What is our base endpointer? */ @@ -1234,7 +1234,7 @@ struct sctp_endpoint { /* SCTP AUTH: array of the HMACs that will be allocated * we need this per association so that we don't serialize */ - struct crypto_hash **auth_hmacs; + struct crypto_shash **auth_hmacs; /* SCTP-AUTH: hmacs for the endpoint encoded into parameter */ struct sctp_hmac_algo_param *auth_hmacs_list; diff --git a/include/net/tcp.h b/include/net/tcp.h index ae6468f..b04bc98 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -27,7 +27,6 @@ #include <linux/cache.h> #include <linux/percpu.h> #include <linux/skbuff.h> -#include <linux/crypto.h> #include <linux/cryptohash.h> #include <linux/kref.h> #include <linux/ktime.h> @@ -1325,9 +1324,6 @@ static inline void tcp_clear_all_retrans_hints(struct tcp_sock *tp) tp->retransmit_skb_hint = NULL; } -/* MD5 Signature */ -struct crypto_hash; - union tcp_md5_addr { struct in_addr a4; #if IS_ENABLED(CONFIG_IPV6) @@ -1376,7 +1372,7 @@ union tcp_md5sum_block { /* - pool: digest algorithm, hash description and scratch buffer */ struct tcp_md5sig_pool { - struct hash_desc md5_desc; + struct ahash_request *md5_req; union tcp_md5sum_block md5_blk; }; diff --git a/include/scsi/libiscsi_tcp.h b/include/scsi/libiscsi_tcp.h index 2a7aa75..30520d5 100644 --- a/include/scsi/libiscsi_tcp.h +++ b/include/scsi/libiscsi_tcp.h @@ -26,7 +26,7 @@ struct iscsi_tcp_conn; struct iscsi_segment; struct sk_buff; -struct hash_desc; +struct ahash_request; typedef int iscsi_segment_done_fn_t(struct iscsi_tcp_conn *, struct iscsi_segment *); @@ -38,7 +38,7 @@ struct iscsi_segment { unsigned int total_size; unsigned int total_copied; - struct hash_desc *hash; + struct ahash_request *hash; unsigned char padbuf[ISCSI_PAD_LEN]; unsigned char recv_digest[ISCSI_DIGEST_SIZE]; unsigned char digest[ISCSI_DIGEST_SIZE]; @@ -73,7 +73,7 @@ struct iscsi_tcp_conn { /* control data */ struct iscsi_tcp_recv in; /* TCP receive context */ /* CRC32C (Rx) LLD should set this is they do not offload */ - struct hash_desc *rx_hash; + struct ahash_request *rx_hash; }; struct iscsi_tcp_task { @@ -111,15 +111,16 @@ extern void iscsi_tcp_segment_unmap(struct iscsi_segment *segment); extern void iscsi_segment_init_linear(struct iscsi_segment *segment, void *data, size_t size, iscsi_segment_done_fn_t *done, - struct hash_desc *hash); + struct ahash_request *hash); extern int iscsi_segment_seek_sg(struct iscsi_segment *segment, struct scatterlist *sg_list, unsigned int sg_count, unsigned int offset, size_t size, - iscsi_segment_done_fn_t *done, struct hash_desc *hash); + iscsi_segment_done_fn_t *done, + struct ahash_request *hash); /* digest helpers */ -extern void iscsi_tcp_dgst_header(struct hash_desc *hash, const void *hdr, +extern void iscsi_tcp_dgst_header(struct ahash_request *hash, const void *hdr, size_t hdrlen, unsigned char digest[ISCSI_DIGEST_SIZE]); extern struct iscsi_cls_conn * diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h index 373d334..c3371fa 100644 --- a/include/target/iscsi/iscsi_target_core.h +++ b/include/target/iscsi/iscsi_target_core.h @@ -570,8 +570,8 @@ struct iscsi_conn { spinlock_t response_queue_lock; spinlock_t state_lock; /* libcrypto RX and TX contexts for crc32c */ - struct hash_desc conn_rx_hash; - struct hash_desc conn_tx_hash; + struct ahash_request *conn_rx_hash; + struct ahash_request *conn_tx_hash; /* Used for scheduling TX and RX connection kthreads */ cpumask_var_t conn_cpumask; unsigned int conn_rx_reset_cpumask:1; diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h index b90e255..9333650 100644 --- a/lib/mpi/longlong.h +++ b/lib/mpi/longlong.h @@ -216,7 +216,7 @@ extern UDItype __udiv_qrnnd(UDItype *, UDItype, UDItype, UDItype); __asm__ ("%@ Inlined umul_ppmm\n" \ "umull %r1, %r0, %r2, %r3" \ : "=&r" ((USItype)(xh)), \ - "=r" ((USItype)(xl)) \ + "=&r" ((USItype)(xl)) \ : "r" ((USItype)(a)), \ "r" ((USItype)(b)) \ : "r0", "r1") diff --git a/lib/mpi/mpi-inline.h b/lib/mpi/mpi-inline.h index e2b3985..c245ea3 100644 --- a/lib/mpi/mpi-inline.h +++ b/lib/mpi/mpi-inline.h @@ -30,7 +30,7 @@ #define G10_MPI_INLINE_H #ifndef G10_MPI_INLINE_DECL -#define G10_MPI_INLINE_DECL extern inline +#define G10_MPI_INLINE_DECL static inline #endif G10_MPI_INLINE_DECL mpi_limb_t diff --git a/lib/mpi/mpi-internal.h b/lib/mpi/mpi-internal.h index c65dd1b..7eceedd 100644 --- a/lib/mpi/mpi-internal.h +++ b/lib/mpi/mpi-internal.h @@ -168,19 +168,19 @@ void mpi_rshift_limbs(MPI a, unsigned int count); int mpi_lshift_limbs(MPI a, unsigned int count); /*-- mpihelp-add.c --*/ -mpi_limb_t mpihelp_add_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, +static inline mpi_limb_t mpihelp_add_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size, mpi_limb_t s2_limb); mpi_limb_t mpihelp_add_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_ptr_t s2_ptr, mpi_size_t size); -mpi_limb_t mpihelp_add(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size, +static inline mpi_limb_t mpihelp_add(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size, mpi_ptr_t s2_ptr, mpi_size_t s2_size); /*-- mpihelp-sub.c --*/ -mpi_limb_t mpihelp_sub_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, +static inline mpi_limb_t mpihelp_sub_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size, mpi_limb_t s2_limb); mpi_limb_t mpihelp_sub_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_ptr_t s2_ptr, mpi_size_t size); -mpi_limb_t mpihelp_sub(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size, +static inline mpi_limb_t mpihelp_sub(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size, mpi_ptr_t s2_ptr, mpi_size_t s2_size); /*-- mpihelp-cmp.c --*/ diff --git a/lib/mpi/mpicoder.c b/lib/mpi/mpicoder.c index ec533a6..eb15e7d 100644 --- a/lib/mpi/mpicoder.c +++ b/lib/mpi/mpicoder.c @@ -128,6 +128,23 @@ leave: } EXPORT_SYMBOL_GPL(mpi_read_from_buffer); +static int count_lzeros(MPI a) +{ + mpi_limb_t alimb; + int i, lzeros = 0; + + for (i = a->nlimbs - 1; i >= 0; i--) { + alimb = a->d[i]; + if (alimb == 0) { + lzeros += sizeof(mpi_limb_t); + } else { + lzeros += count_leading_zeros(alimb) / 8; + break; + } + } + return lzeros; +} + /** * mpi_read_buffer() - read MPI to a bufer provided by user (msb first) * @@ -148,7 +165,7 @@ int mpi_read_buffer(MPI a, uint8_t *buf, unsigned buf_len, unsigned *nbytes, uint8_t *p; mpi_limb_t alimb; unsigned int n = mpi_get_size(a); - int i, lzeros = 0; + int i, lzeros; if (!buf || !nbytes) return -EINVAL; @@ -156,14 +173,7 @@ int mpi_read_buffer(MPI a, uint8_t *buf, unsigned buf_len, unsigned *nbytes, if (sign) *sign = a->sign; - p = (void *)&a->d[a->nlimbs] - 1; - - for (i = a->nlimbs * sizeof(alimb) - 1; i >= 0; i--, p--) { - if (!*p) - lzeros++; - else - break; - } + lzeros = count_lzeros(a); if (buf_len < n - lzeros) { *nbytes = n - lzeros; @@ -351,7 +361,7 @@ int mpi_write_to_sgl(MPI a, struct scatterlist *sgl, unsigned *nbytes, u8 *p, *p2; mpi_limb_t alimb, alimb2; unsigned int n = mpi_get_size(a); - int i, x, y = 0, lzeros = 0, buf_len; + int i, x, y = 0, lzeros, buf_len; if (!nbytes) return -EINVAL; @@ -359,14 +369,7 @@ int mpi_write_to_sgl(MPI a, struct scatterlist *sgl, unsigned *nbytes, if (sign) *sign = a->sign; - p = (void *)&a->d[a->nlimbs] - 1; - - for (i = a->nlimbs * sizeof(alimb) - 1; i >= 0; i--, p--) { - if (!*p) - lzeros++; - else - break; - } + lzeros = count_lzeros(a); if (*nbytes < n - lzeros) { *nbytes = n - lzeros; diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 4b175df..50976a6 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -21,9 +21,10 @@ */ #include <linux/debugfs.h> -#include <linux/crypto.h> #include <linux/scatterlist.h> #include <crypto/b128ops.h> +#include <crypto/hash.h> +#include <crypto/skcipher.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> @@ -87,8 +88,8 @@ struct smp_dev { u8 min_key_size; u8 max_key_size; - struct crypto_blkcipher *tfm_aes; - struct crypto_hash *tfm_cmac; + struct crypto_skcipher *tfm_aes; + struct crypto_shash *tfm_cmac; }; struct smp_chan { @@ -126,8 +127,8 @@ struct smp_chan { u8 dhkey[32]; u8 mackey[16]; - struct crypto_blkcipher *tfm_aes; - struct crypto_hash *tfm_cmac; + struct crypto_skcipher *tfm_aes; + struct crypto_shash *tfm_cmac; }; /* These debug key values are defined in the SMP section of the core @@ -165,12 +166,11 @@ static inline void swap_buf(const u8 *src, u8 *dst, size_t len) * AES-CMAC, f4, f5, f6, g2 and h6. */ -static int aes_cmac(struct crypto_hash *tfm, const u8 k[16], const u8 *m, +static int aes_cmac(struct crypto_shash *tfm, const u8 k[16], const u8 *m, size_t len, u8 mac[16]) { uint8_t tmp[16], mac_msb[16], msg_msb[CMAC_MSG_MAX]; - struct hash_desc desc; - struct scatterlist sg; + SHASH_DESC_ON_STACK(desc, tfm); int err; if (len > CMAC_MSG_MAX) @@ -181,10 +181,8 @@ static int aes_cmac(struct crypto_hash *tfm, const u8 k[16], const u8 *m, return -EINVAL; } - desc.tfm = tfm; - desc.flags = 0; - - crypto_hash_init(&desc); + desc->tfm = tfm; + desc->flags = 0; /* Swap key and message from LSB to MSB */ swap_buf(k, tmp, 16); @@ -193,23 +191,16 @@ static int aes_cmac(struct crypto_hash *tfm, const u8 k[16], const u8 *m, SMP_DBG("msg (len %zu) %*phN", len, (int) len, m); SMP_DBG("key %16phN", k); - err = crypto_hash_setkey(tfm, tmp, 16); + err = crypto_shash_setkey(tfm, tmp, 16); if (err) { BT_ERR("cipher setkey failed: %d", err); return err; } - sg_init_one(&sg, msg_msb, len); - - err = crypto_hash_update(&desc, &sg, len); + err = crypto_shash_digest(desc, msg_msb, len, mac_msb); + shash_desc_zero(desc); if (err) { - BT_ERR("Hash update error %d", err); - return err; - } - - err = crypto_hash_final(&desc, mac_msb); - if (err) { - BT_ERR("Hash final error %d", err); + BT_ERR("Hash computation error %d", err); return err; } @@ -220,8 +211,8 @@ static int aes_cmac(struct crypto_hash *tfm, const u8 k[16], const u8 *m, return 0; } -static int smp_f4(struct crypto_hash *tfm_cmac, const u8 u[32], const u8 v[32], - const u8 x[16], u8 z, u8 res[16]) +static int smp_f4(struct crypto_shash *tfm_cmac, const u8 u[32], + const u8 v[32], const u8 x[16], u8 z, u8 res[16]) { u8 m[65]; int err; @@ -243,7 +234,7 @@ static int smp_f4(struct crypto_hash *tfm_cmac, const u8 u[32], const u8 v[32], return err; } -static int smp_f5(struct crypto_hash *tfm_cmac, const u8 w[32], +static int smp_f5(struct crypto_shash *tfm_cmac, const u8 w[32], const u8 n1[16], const u8 n2[16], const u8 a1[7], const u8 a2[7], u8 mackey[16], u8 ltk[16]) { @@ -296,7 +287,7 @@ static int smp_f5(struct crypto_hash *tfm_cmac, const u8 w[32], return 0; } -static int smp_f6(struct crypto_hash *tfm_cmac, const u8 w[16], +static int smp_f6(struct crypto_shash *tfm_cmac, const u8 w[16], const u8 n1[16], const u8 n2[16], const u8 r[16], const u8 io_cap[3], const u8 a1[7], const u8 a2[7], u8 res[16]) @@ -324,7 +315,7 @@ static int smp_f6(struct crypto_hash *tfm_cmac, const u8 w[16], return err; } -static int smp_g2(struct crypto_hash *tfm_cmac, const u8 u[32], const u8 v[32], +static int smp_g2(struct crypto_shash *tfm_cmac, const u8 u[32], const u8 v[32], const u8 x[16], const u8 y[16], u32 *val) { u8 m[80], tmp[16]; @@ -350,7 +341,7 @@ static int smp_g2(struct crypto_hash *tfm_cmac, const u8 u[32], const u8 v[32], return 0; } -static int smp_h6(struct crypto_hash *tfm_cmac, const u8 w[16], +static int smp_h6(struct crypto_shash *tfm_cmac, const u8 w[16], const u8 key_id[4], u8 res[16]) { int err; @@ -370,9 +361,9 @@ static int smp_h6(struct crypto_hash *tfm_cmac, const u8 w[16], * s1 and ah. */ -static int smp_e(struct crypto_blkcipher *tfm, const u8 *k, u8 *r) +static int smp_e(struct crypto_skcipher *tfm, const u8 *k, u8 *r) { - struct blkcipher_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, tfm); struct scatterlist sg; uint8_t tmp[16], data[16]; int err; @@ -384,13 +375,10 @@ static int smp_e(struct crypto_blkcipher *tfm, const u8 *k, u8 *r) return -EINVAL; } - desc.tfm = tfm; - desc.flags = 0; - /* The most significant octet of key corresponds to k[0] */ swap_buf(k, tmp, 16); - err = crypto_blkcipher_setkey(tfm, tmp, 16); + err = crypto_skcipher_setkey(tfm, tmp, 16); if (err) { BT_ERR("cipher setkey failed: %d", err); return err; @@ -401,7 +389,12 @@ static int smp_e(struct crypto_blkcipher *tfm, const u8 *k, u8 *r) sg_init_one(&sg, data, 16); - err = crypto_blkcipher_encrypt(&desc, &sg, &sg, 16); + skcipher_request_set_tfm(req, tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, 16, NULL); + + err = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); if (err) BT_ERR("Encrypt data error %d", err); @@ -413,7 +406,7 @@ static int smp_e(struct crypto_blkcipher *tfm, const u8 *k, u8 *r) return err; } -static int smp_c1(struct crypto_blkcipher *tfm_aes, const u8 k[16], +static int smp_c1(struct crypto_skcipher *tfm_aes, const u8 k[16], const u8 r[16], const u8 preq[7], const u8 pres[7], u8 _iat, const bdaddr_t *ia, u8 _rat, const bdaddr_t *ra, u8 res[16]) { @@ -462,7 +455,7 @@ static int smp_c1(struct crypto_blkcipher *tfm_aes, const u8 k[16], return err; } -static int smp_s1(struct crypto_blkcipher *tfm_aes, const u8 k[16], +static int smp_s1(struct crypto_skcipher *tfm_aes, const u8 k[16], const u8 r1[16], const u8 r2[16], u8 _r[16]) { int err; @@ -478,7 +471,7 @@ static int smp_s1(struct crypto_blkcipher *tfm_aes, const u8 k[16], return err; } -static int smp_ah(struct crypto_blkcipher *tfm, const u8 irk[16], +static int smp_ah(struct crypto_skcipher *tfm, const u8 irk[16], const u8 r[3], u8 res[3]) { u8 _res[16]; @@ -766,8 +759,8 @@ static void smp_chan_destroy(struct l2cap_conn *conn) kzfree(smp->slave_csrk); kzfree(smp->link_key); - crypto_free_blkcipher(smp->tfm_aes); - crypto_free_hash(smp->tfm_cmac); + crypto_free_skcipher(smp->tfm_aes); + crypto_free_shash(smp->tfm_cmac); /* Ensure that we don't leave any debug key around if debug key * support hasn't been explicitly enabled. @@ -1366,17 +1359,17 @@ static struct smp_chan *smp_chan_create(struct l2cap_conn *conn) if (!smp) return NULL; - smp->tfm_aes = crypto_alloc_blkcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC); + smp->tfm_aes = crypto_alloc_skcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(smp->tfm_aes)) { BT_ERR("Unable to create ECB crypto context"); kzfree(smp); return NULL; } - smp->tfm_cmac = crypto_alloc_hash("cmac(aes)", 0, CRYPTO_ALG_ASYNC); + smp->tfm_cmac = crypto_alloc_shash("cmac(aes)", 0, 0); if (IS_ERR(smp->tfm_cmac)) { BT_ERR("Unable to create CMAC crypto context"); - crypto_free_blkcipher(smp->tfm_aes); + crypto_free_skcipher(smp->tfm_aes); kzfree(smp); return NULL; } @@ -3127,8 +3120,8 @@ static struct l2cap_chan *smp_add_cid(struct hci_dev *hdev, u16 cid) { struct l2cap_chan *chan; struct smp_dev *smp; - struct crypto_blkcipher *tfm_aes; - struct crypto_hash *tfm_cmac; + struct crypto_skcipher *tfm_aes; + struct crypto_shash *tfm_cmac; if (cid == L2CAP_CID_SMP_BREDR) { smp = NULL; @@ -3139,17 +3132,17 @@ static struct l2cap_chan *smp_add_cid(struct hci_dev *hdev, u16 cid) if (!smp) return ERR_PTR(-ENOMEM); - tfm_aes = crypto_alloc_blkcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC); + tfm_aes = crypto_alloc_skcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm_aes)) { BT_ERR("Unable to create ECB crypto context"); kzfree(smp); return ERR_CAST(tfm_aes); } - tfm_cmac = crypto_alloc_hash("cmac(aes)", 0, CRYPTO_ALG_ASYNC); + tfm_cmac = crypto_alloc_shash("cmac(aes)", 0, 0); if (IS_ERR(tfm_cmac)) { BT_ERR("Unable to create CMAC crypto context"); - crypto_free_blkcipher(tfm_aes); + crypto_free_skcipher(tfm_aes); kzfree(smp); return ERR_CAST(tfm_cmac); } @@ -3163,8 +3156,8 @@ create_chan: chan = l2cap_chan_create(); if (!chan) { if (smp) { - crypto_free_blkcipher(smp->tfm_aes); - crypto_free_hash(smp->tfm_cmac); + crypto_free_skcipher(smp->tfm_aes); + crypto_free_shash(smp->tfm_cmac); kzfree(smp); } return ERR_PTR(-ENOMEM); @@ -3210,10 +3203,8 @@ static void smp_del_chan(struct l2cap_chan *chan) smp = chan->data; if (smp) { chan->data = NULL; - if (smp->tfm_aes) - crypto_free_blkcipher(smp->tfm_aes); - if (smp->tfm_cmac) - crypto_free_hash(smp->tfm_cmac); + crypto_free_skcipher(smp->tfm_aes); + crypto_free_shash(smp->tfm_cmac); kzfree(smp); } @@ -3449,7 +3440,7 @@ void smp_unregister(struct hci_dev *hdev) #if IS_ENABLED(CONFIG_BT_SELFTEST_SMP) -static int __init test_ah(struct crypto_blkcipher *tfm_aes) +static int __init test_ah(struct crypto_skcipher *tfm_aes) { const u8 irk[16] = { 0x9b, 0x7d, 0x39, 0x0a, 0xa6, 0x10, 0x10, 0x34, @@ -3469,7 +3460,7 @@ static int __init test_ah(struct crypto_blkcipher *tfm_aes) return 0; } -static int __init test_c1(struct crypto_blkcipher *tfm_aes) +static int __init test_c1(struct crypto_skcipher *tfm_aes) { const u8 k[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, @@ -3499,7 +3490,7 @@ static int __init test_c1(struct crypto_blkcipher *tfm_aes) return 0; } -static int __init test_s1(struct crypto_blkcipher *tfm_aes) +static int __init test_s1(struct crypto_skcipher *tfm_aes) { const u8 k[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, @@ -3524,7 +3515,7 @@ static int __init test_s1(struct crypto_blkcipher *tfm_aes) return 0; } -static int __init test_f4(struct crypto_hash *tfm_cmac) +static int __init test_f4(struct crypto_shash *tfm_cmac) { const u8 u[32] = { 0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc, @@ -3556,7 +3547,7 @@ static int __init test_f4(struct crypto_hash *tfm_cmac) return 0; } -static int __init test_f5(struct crypto_hash *tfm_cmac) +static int __init test_f5(struct crypto_shash *tfm_cmac) { const u8 w[32] = { 0x98, 0xa6, 0xbf, 0x73, 0xf3, 0x34, 0x8d, 0x86, @@ -3593,7 +3584,7 @@ static int __init test_f5(struct crypto_hash *tfm_cmac) return 0; } -static int __init test_f6(struct crypto_hash *tfm_cmac) +static int __init test_f6(struct crypto_shash *tfm_cmac) { const u8 w[16] = { 0x20, 0x6e, 0x63, 0xce, 0x20, 0x6a, 0x3f, 0xfd, @@ -3626,7 +3617,7 @@ static int __init test_f6(struct crypto_hash *tfm_cmac) return 0; } -static int __init test_g2(struct crypto_hash *tfm_cmac) +static int __init test_g2(struct crypto_shash *tfm_cmac) { const u8 u[32] = { 0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc, @@ -3658,7 +3649,7 @@ static int __init test_g2(struct crypto_hash *tfm_cmac) return 0; } -static int __init test_h6(struct crypto_hash *tfm_cmac) +static int __init test_h6(struct crypto_shash *tfm_cmac) { const u8 w[16] = { 0x9b, 0x7d, 0x39, 0x0a, 0xa6, 0x10, 0x10, 0x34, @@ -3695,8 +3686,8 @@ static const struct file_operations test_smp_fops = { .llseek = default_llseek, }; -static int __init run_selftests(struct crypto_blkcipher *tfm_aes, - struct crypto_hash *tfm_cmac) +static int __init run_selftests(struct crypto_skcipher *tfm_aes, + struct crypto_shash *tfm_cmac) { ktime_t calltime, delta, rettime; unsigned long long duration; @@ -3773,27 +3764,27 @@ done: int __init bt_selftest_smp(void) { - struct crypto_blkcipher *tfm_aes; - struct crypto_hash *tfm_cmac; + struct crypto_skcipher *tfm_aes; + struct crypto_shash *tfm_cmac; int err; - tfm_aes = crypto_alloc_blkcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC); + tfm_aes = crypto_alloc_skcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm_aes)) { BT_ERR("Unable to create ECB crypto context"); return PTR_ERR(tfm_aes); } - tfm_cmac = crypto_alloc_hash("cmac(aes)", 0, CRYPTO_ALG_ASYNC); + tfm_cmac = crypto_alloc_shash("cmac(aes)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm_cmac)) { BT_ERR("Unable to create CMAC crypto context"); - crypto_free_blkcipher(tfm_aes); + crypto_free_skcipher(tfm_aes); return PTR_ERR(tfm_cmac); } err = run_selftests(tfm_aes, tfm_cmac); - crypto_free_hash(tfm_cmac); - crypto_free_blkcipher(tfm_aes); + crypto_free_shash(tfm_cmac); + crypto_free_skcipher(tfm_aes); return err; } diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c index 42e8649..db2847a 100644 --- a/net/ceph/crypto.c +++ b/net/ceph/crypto.c @@ -4,7 +4,8 @@ #include <linux/err.h> #include <linux/scatterlist.h> #include <linux/slab.h> -#include <crypto/hash.h> +#include <crypto/aes.h> +#include <crypto/skcipher.h> #include <linux/key-type.h> #include <keys/ceph-type.h> @@ -79,9 +80,9 @@ int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *inkey) return 0; } -static struct crypto_blkcipher *ceph_crypto_alloc_cipher(void) +static struct crypto_skcipher *ceph_crypto_alloc_cipher(void) { - return crypto_alloc_blkcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC); + return crypto_alloc_skcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC); } static const u8 *aes_iv = (u8 *)CEPH_AES_IV; @@ -162,11 +163,10 @@ static int ceph_aes_encrypt(const void *key, int key_len, { struct scatterlist sg_in[2], prealloc_sg; struct sg_table sg_out; - struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher(); - struct blkcipher_desc desc = { .tfm = tfm, .flags = 0 }; + struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher(); + SKCIPHER_REQUEST_ON_STACK(req, tfm); int ret; - void *iv; - int ivsize; + char iv[AES_BLOCK_SIZE]; size_t zero_padding = (0x10 - (src_len & 0x0f)); char pad[16]; @@ -184,10 +184,13 @@ static int ceph_aes_encrypt(const void *key, int key_len, if (ret) goto out_tfm; - crypto_blkcipher_setkey((void *)tfm, key, key_len); - iv = crypto_blkcipher_crt(tfm)->iv; - ivsize = crypto_blkcipher_ivsize(tfm); - memcpy(iv, aes_iv, ivsize); + crypto_skcipher_setkey((void *)tfm, key, key_len); + memcpy(iv, aes_iv, AES_BLOCK_SIZE); + + skcipher_request_set_tfm(req, tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg_in, sg_out.sgl, + src_len + zero_padding, iv); /* print_hex_dump(KERN_ERR, "enc key: ", DUMP_PREFIX_NONE, 16, 1, @@ -197,8 +200,8 @@ static int ceph_aes_encrypt(const void *key, int key_len, print_hex_dump(KERN_ERR, "enc pad: ", DUMP_PREFIX_NONE, 16, 1, pad, zero_padding, 1); */ - ret = crypto_blkcipher_encrypt(&desc, sg_out.sgl, sg_in, - src_len + zero_padding); + ret = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); if (ret < 0) { pr_err("ceph_aes_crypt failed %d\n", ret); goto out_sg; @@ -211,7 +214,7 @@ static int ceph_aes_encrypt(const void *key, int key_len, out_sg: teardown_sgtable(&sg_out); out_tfm: - crypto_free_blkcipher(tfm); + crypto_free_skcipher(tfm); return ret; } @@ -222,11 +225,10 @@ static int ceph_aes_encrypt2(const void *key, int key_len, void *dst, { struct scatterlist sg_in[3], prealloc_sg; struct sg_table sg_out; - struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher(); - struct blkcipher_desc desc = { .tfm = tfm, .flags = 0 }; + struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher(); + SKCIPHER_REQUEST_ON_STACK(req, tfm); int ret; - void *iv; - int ivsize; + char iv[AES_BLOCK_SIZE]; size_t zero_padding = (0x10 - ((src1_len + src2_len) & 0x0f)); char pad[16]; @@ -245,10 +247,13 @@ static int ceph_aes_encrypt2(const void *key, int key_len, void *dst, if (ret) goto out_tfm; - crypto_blkcipher_setkey((void *)tfm, key, key_len); - iv = crypto_blkcipher_crt(tfm)->iv; - ivsize = crypto_blkcipher_ivsize(tfm); - memcpy(iv, aes_iv, ivsize); + crypto_skcipher_setkey((void *)tfm, key, key_len); + memcpy(iv, aes_iv, AES_BLOCK_SIZE); + + skcipher_request_set_tfm(req, tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg_in, sg_out.sgl, + src1_len + src2_len + zero_padding, iv); /* print_hex_dump(KERN_ERR, "enc key: ", DUMP_PREFIX_NONE, 16, 1, @@ -260,8 +265,8 @@ static int ceph_aes_encrypt2(const void *key, int key_len, void *dst, print_hex_dump(KERN_ERR, "enc pad: ", DUMP_PREFIX_NONE, 16, 1, pad, zero_padding, 1); */ - ret = crypto_blkcipher_encrypt(&desc, sg_out.sgl, sg_in, - src1_len + src2_len + zero_padding); + ret = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); if (ret < 0) { pr_err("ceph_aes_crypt2 failed %d\n", ret); goto out_sg; @@ -274,7 +279,7 @@ static int ceph_aes_encrypt2(const void *key, int key_len, void *dst, out_sg: teardown_sgtable(&sg_out); out_tfm: - crypto_free_blkcipher(tfm); + crypto_free_skcipher(tfm); return ret; } @@ -284,11 +289,10 @@ static int ceph_aes_decrypt(const void *key, int key_len, { struct sg_table sg_in; struct scatterlist sg_out[2], prealloc_sg; - struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher(); - struct blkcipher_desc desc = { .tfm = tfm }; + struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher(); + SKCIPHER_REQUEST_ON_STACK(req, tfm); char pad[16]; - void *iv; - int ivsize; + char iv[AES_BLOCK_SIZE]; int ret; int last_byte; @@ -302,10 +306,13 @@ static int ceph_aes_decrypt(const void *key, int key_len, if (ret) goto out_tfm; - crypto_blkcipher_setkey((void *)tfm, key, key_len); - iv = crypto_blkcipher_crt(tfm)->iv; - ivsize = crypto_blkcipher_ivsize(tfm); - memcpy(iv, aes_iv, ivsize); + crypto_skcipher_setkey((void *)tfm, key, key_len); + memcpy(iv, aes_iv, AES_BLOCK_SIZE); + + skcipher_request_set_tfm(req, tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg_in.sgl, sg_out, + src_len, iv); /* print_hex_dump(KERN_ERR, "dec key: ", DUMP_PREFIX_NONE, 16, 1, @@ -313,7 +320,8 @@ static int ceph_aes_decrypt(const void *key, int key_len, print_hex_dump(KERN_ERR, "dec in: ", DUMP_PREFIX_NONE, 16, 1, src, src_len, 1); */ - ret = crypto_blkcipher_decrypt(&desc, sg_out, sg_in.sgl, src_len); + ret = crypto_skcipher_decrypt(req); + skcipher_request_zero(req); if (ret < 0) { pr_err("ceph_aes_decrypt failed %d\n", ret); goto out_sg; @@ -338,7 +346,7 @@ static int ceph_aes_decrypt(const void *key, int key_len, out_sg: teardown_sgtable(&sg_in); out_tfm: - crypto_free_blkcipher(tfm); + crypto_free_skcipher(tfm); return ret; } @@ -349,11 +357,10 @@ static int ceph_aes_decrypt2(const void *key, int key_len, { struct sg_table sg_in; struct scatterlist sg_out[3], prealloc_sg; - struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher(); - struct blkcipher_desc desc = { .tfm = tfm }; + struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher(); + SKCIPHER_REQUEST_ON_STACK(req, tfm); char pad[16]; - void *iv; - int ivsize; + char iv[AES_BLOCK_SIZE]; int ret; int last_byte; @@ -368,10 +375,13 @@ static int ceph_aes_decrypt2(const void *key, int key_len, if (ret) goto out_tfm; - crypto_blkcipher_setkey((void *)tfm, key, key_len); - iv = crypto_blkcipher_crt(tfm)->iv; - ivsize = crypto_blkcipher_ivsize(tfm); - memcpy(iv, aes_iv, ivsize); + crypto_skcipher_setkey((void *)tfm, key, key_len); + memcpy(iv, aes_iv, AES_BLOCK_SIZE); + + skcipher_request_set_tfm(req, tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg_in.sgl, sg_out, + src_len, iv); /* print_hex_dump(KERN_ERR, "dec key: ", DUMP_PREFIX_NONE, 16, 1, @@ -379,7 +389,8 @@ static int ceph_aes_decrypt2(const void *key, int key_len, print_hex_dump(KERN_ERR, "dec in: ", DUMP_PREFIX_NONE, 16, 1, src, src_len, 1); */ - ret = crypto_blkcipher_decrypt(&desc, sg_out, sg_in.sgl, src_len); + ret = crypto_skcipher_decrypt(req); + skcipher_request_zero(req); if (ret < 0) { pr_err("ceph_aes_decrypt failed %d\n", ret); goto out_sg; @@ -415,7 +426,7 @@ static int ceph_aes_decrypt2(const void *key, int key_len, out_sg: teardown_sgtable(&sg_in); out_tfm: - crypto_free_blkcipher(tfm); + crypto_free_skcipher(tfm); return ret; } diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 483ffdf..4804645 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -247,6 +247,7 @@ #define pr_fmt(fmt) "TCP: " fmt +#include <crypto/hash.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/types.h> @@ -266,7 +267,6 @@ #include <linux/swap.h> #include <linux/cache.h> #include <linux/err.h> -#include <linux/crypto.h> #include <linux/time.h> #include <linux/slab.h> @@ -2943,17 +2943,26 @@ static bool tcp_md5sig_pool_populated = false; static void __tcp_alloc_md5sig_pool(void) { + struct crypto_ahash *hash; int cpu; + hash = crypto_alloc_ahash("md5", 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(hash)) + return; + for_each_possible_cpu(cpu) { - if (!per_cpu(tcp_md5sig_pool, cpu).md5_desc.tfm) { - struct crypto_hash *hash; + struct ahash_request *req; - hash = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(hash)) - return; - per_cpu(tcp_md5sig_pool, cpu).md5_desc.tfm = hash; - } + if (per_cpu(tcp_md5sig_pool, cpu).md5_req) + continue; + + req = ahash_request_alloc(hash, GFP_KERNEL); + if (!req) + return; + + ahash_request_set_callback(req, 0, NULL, NULL); + + per_cpu(tcp_md5sig_pool, cpu).md5_req = req; } /* before setting tcp_md5sig_pool_populated, we must commit all writes * to memory. See smp_rmb() in tcp_get_md5sig_pool() @@ -3003,7 +3012,6 @@ int tcp_md5_hash_header(struct tcp_md5sig_pool *hp, { struct scatterlist sg; struct tcphdr hdr; - int err; /* We are not allowed to change tcphdr, make a local copy */ memcpy(&hdr, th, sizeof(hdr)); @@ -3011,8 +3019,8 @@ int tcp_md5_hash_header(struct tcp_md5sig_pool *hp, /* options aren't included in the hash */ sg_init_one(&sg, &hdr, sizeof(hdr)); - err = crypto_hash_update(&hp->md5_desc, &sg, sizeof(hdr)); - return err; + ahash_request_set_crypt(hp->md5_req, &sg, NULL, sizeof(hdr)); + return crypto_ahash_update(hp->md5_req); } EXPORT_SYMBOL(tcp_md5_hash_header); @@ -3021,7 +3029,7 @@ int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *hp, { struct scatterlist sg; const struct tcphdr *tp = tcp_hdr(skb); - struct hash_desc *desc = &hp->md5_desc; + struct ahash_request *req = hp->md5_req; unsigned int i; const unsigned int head_data_len = skb_headlen(skb) > header_len ? skb_headlen(skb) - header_len : 0; @@ -3031,7 +3039,8 @@ int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *hp, sg_init_table(&sg, 1); sg_set_buf(&sg, ((u8 *) tp) + header_len, head_data_len); - if (crypto_hash_update(desc, &sg, head_data_len)) + ahash_request_set_crypt(req, &sg, NULL, head_data_len); + if (crypto_ahash_update(req)) return 1; for (i = 0; i < shi->nr_frags; ++i) { @@ -3041,7 +3050,8 @@ int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *hp, sg_set_page(&sg, page, skb_frag_size(f), offset_in_page(offset)); - if (crypto_hash_update(desc, &sg, skb_frag_size(f))) + ahash_request_set_crypt(req, &sg, NULL, skb_frag_size(f)); + if (crypto_ahash_update(req)) return 1; } @@ -3058,7 +3068,8 @@ int tcp_md5_hash_key(struct tcp_md5sig_pool *hp, const struct tcp_md5sig_key *ke struct scatterlist sg; sg_init_one(&sg, key->key, key->keylen); - return crypto_hash_update(&hp->md5_desc, &sg, key->keylen); + ahash_request_set_crypt(hp->md5_req, &sg, NULL, key->keylen); + return crypto_ahash_update(hp->md5_req); } EXPORT_SYMBOL(tcp_md5_hash_key); diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c index 55be6ac..4c65ca1 100644 --- a/net/ipv4/tcp_fastopen.c +++ b/net/ipv4/tcp_fastopen.c @@ -1,3 +1,4 @@ +#include <linux/crypto.h> #include <linux/err.h> #include <linux/init.h> #include <linux/kernel.h> diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 487ac67..4fdbf4e 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -81,7 +81,7 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> -#include <linux/crypto.h> +#include <crypto/hash.h> #include <linux/scatterlist.h> int sysctl_tcp_tw_reuse __read_mostly; @@ -1039,21 +1039,22 @@ static int tcp_v4_md5_hash_pseudoheader(struct tcp_md5sig_pool *hp, bp->len = cpu_to_be16(nbytes); sg_init_one(&sg, bp, sizeof(*bp)); - return crypto_hash_update(&hp->md5_desc, &sg, sizeof(*bp)); + ahash_request_set_crypt(hp->md5_req, &sg, NULL, sizeof(*bp)); + return crypto_ahash_update(hp->md5_req); } static int tcp_v4_md5_hash_hdr(char *md5_hash, const struct tcp_md5sig_key *key, __be32 daddr, __be32 saddr, const struct tcphdr *th) { struct tcp_md5sig_pool *hp; - struct hash_desc *desc; + struct ahash_request *req; hp = tcp_get_md5sig_pool(); if (!hp) goto clear_hash_noput; - desc = &hp->md5_desc; + req = hp->md5_req; - if (crypto_hash_init(desc)) + if (crypto_ahash_init(req)) goto clear_hash; if (tcp_v4_md5_hash_pseudoheader(hp, daddr, saddr, th->doff << 2)) goto clear_hash; @@ -1061,7 +1062,8 @@ static int tcp_v4_md5_hash_hdr(char *md5_hash, const struct tcp_md5sig_key *key, goto clear_hash; if (tcp_md5_hash_key(hp, key)) goto clear_hash; - if (crypto_hash_final(desc, md5_hash)) + ahash_request_set_crypt(req, NULL, md5_hash, 0); + if (crypto_ahash_final(req)) goto clear_hash; tcp_put_md5sig_pool(); @@ -1079,7 +1081,7 @@ int tcp_v4_md5_hash_skb(char *md5_hash, const struct tcp_md5sig_key *key, const struct sk_buff *skb) { struct tcp_md5sig_pool *hp; - struct hash_desc *desc; + struct ahash_request *req; const struct tcphdr *th = tcp_hdr(skb); __be32 saddr, daddr; @@ -1095,9 +1097,9 @@ int tcp_v4_md5_hash_skb(char *md5_hash, const struct tcp_md5sig_key *key, hp = tcp_get_md5sig_pool(); if (!hp) goto clear_hash_noput; - desc = &hp->md5_desc; + req = hp->md5_req; - if (crypto_hash_init(desc)) + if (crypto_ahash_init(req)) goto clear_hash; if (tcp_v4_md5_hash_pseudoheader(hp, daddr, saddr, skb->len)) @@ -1108,7 +1110,8 @@ int tcp_v4_md5_hash_skb(char *md5_hash, const struct tcp_md5sig_key *key, goto clear_hash; if (tcp_md5_hash_key(hp, key)) goto clear_hash; - if (crypto_hash_final(desc, md5_hash)) + ahash_request_set_crypt(req, NULL, md5_hash, 0); + if (crypto_ahash_final(req)) goto clear_hash; tcp_put_md5sig_pool(); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 5c8c842..3447859 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -66,7 +66,7 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> -#include <linux/crypto.h> +#include <crypto/hash.h> #include <linux/scatterlist.h> static void tcp_v6_send_reset(const struct sock *sk, struct sk_buff *skb); @@ -541,7 +541,8 @@ static int tcp_v6_md5_hash_pseudoheader(struct tcp_md5sig_pool *hp, bp->len = cpu_to_be32(nbytes); sg_init_one(&sg, bp, sizeof(*bp)); - return crypto_hash_update(&hp->md5_desc, &sg, sizeof(*bp)); + ahash_request_set_crypt(hp->md5_req, &sg, NULL, sizeof(*bp)); + return crypto_ahash_update(hp->md5_req); } static int tcp_v6_md5_hash_hdr(char *md5_hash, struct tcp_md5sig_key *key, @@ -549,14 +550,14 @@ static int tcp_v6_md5_hash_hdr(char *md5_hash, struct tcp_md5sig_key *key, const struct tcphdr *th) { struct tcp_md5sig_pool *hp; - struct hash_desc *desc; + struct ahash_request *req; hp = tcp_get_md5sig_pool(); if (!hp) goto clear_hash_noput; - desc = &hp->md5_desc; + req = hp->md5_req; - if (crypto_hash_init(desc)) + if (crypto_ahash_init(req)) goto clear_hash; if (tcp_v6_md5_hash_pseudoheader(hp, daddr, saddr, th->doff << 2)) goto clear_hash; @@ -564,7 +565,8 @@ static int tcp_v6_md5_hash_hdr(char *md5_hash, struct tcp_md5sig_key *key, goto clear_hash; if (tcp_md5_hash_key(hp, key)) goto clear_hash; - if (crypto_hash_final(desc, md5_hash)) + ahash_request_set_crypt(req, NULL, md5_hash, 0); + if (crypto_ahash_final(req)) goto clear_hash; tcp_put_md5sig_pool(); @@ -584,7 +586,7 @@ static int tcp_v6_md5_hash_skb(char *md5_hash, { const struct in6_addr *saddr, *daddr; struct tcp_md5sig_pool *hp; - struct hash_desc *desc; + struct ahash_request *req; const struct tcphdr *th = tcp_hdr(skb); if (sk) { /* valid for establish/request sockets */ @@ -599,9 +601,9 @@ static int tcp_v6_md5_hash_skb(char *md5_hash, hp = tcp_get_md5sig_pool(); if (!hp) goto clear_hash_noput; - desc = &hp->md5_desc; + req = hp->md5_req; - if (crypto_hash_init(desc)) + if (crypto_ahash_init(req)) goto clear_hash; if (tcp_v6_md5_hash_pseudoheader(hp, daddr, saddr, skb->len)) @@ -612,7 +614,8 @@ static int tcp_v6_md5_hash_skb(char *md5_hash, goto clear_hash; if (tcp_md5_hash_key(hp, key)) goto clear_hash; - if (crypto_hash_final(desc, md5_hash)) + ahash_request_set_crypt(req, NULL, md5_hash, 0); + if (crypto_ahash_final(req)) goto clear_hash; tcp_put_md5sig_pool(); diff --git a/net/mac802154/llsec.c b/net/mac802154/llsec.c index a13d02b..6a3e1c2 100644 --- a/net/mac802154/llsec.c +++ b/net/mac802154/llsec.c @@ -17,9 +17,9 @@ #include <linux/err.h> #include <linux/bug.h> #include <linux/completion.h> -#include <linux/crypto.h> #include <linux/ieee802154.h> #include <crypto/aead.h> +#include <crypto/skcipher.h> #include "ieee802154_i.h" #include "llsec.h" @@ -144,18 +144,18 @@ llsec_key_alloc(const struct ieee802154_llsec_key *template) goto err_tfm; } - key->tfm0 = crypto_alloc_blkcipher("ctr(aes)", 0, CRYPTO_ALG_ASYNC); + key->tfm0 = crypto_alloc_skcipher("ctr(aes)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(key->tfm0)) goto err_tfm; - if (crypto_blkcipher_setkey(key->tfm0, template->key, - IEEE802154_LLSEC_KEY_SIZE)) + if (crypto_skcipher_setkey(key->tfm0, template->key, + IEEE802154_LLSEC_KEY_SIZE)) goto err_tfm0; return key; err_tfm0: - crypto_free_blkcipher(key->tfm0); + crypto_free_skcipher(key->tfm0); err_tfm: for (i = 0; i < ARRAY_SIZE(key->tfm); i++) if (key->tfm[i]) @@ -175,7 +175,7 @@ static void llsec_key_release(struct kref *ref) for (i = 0; i < ARRAY_SIZE(key->tfm); i++) crypto_free_aead(key->tfm[i]); - crypto_free_blkcipher(key->tfm0); + crypto_free_skcipher(key->tfm0); kzfree(key); } @@ -620,15 +620,17 @@ llsec_do_encrypt_unauth(struct sk_buff *skb, const struct mac802154_llsec *sec, { u8 iv[16]; struct scatterlist src; - struct blkcipher_desc req = { - .tfm = key->tfm0, - .info = iv, - .flags = 0, - }; + SKCIPHER_REQUEST_ON_STACK(req, key->tfm0); + int err; llsec_geniv(iv, sec->params.hwaddr, &hdr->sec); sg_init_one(&src, skb->data, skb->len); - return crypto_blkcipher_encrypt_iv(&req, &src, &src, skb->len); + skcipher_request_set_tfm(req, key->tfm0); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &src, &src, skb->len, iv); + err = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); + return err; } static struct crypto_aead* @@ -830,11 +832,8 @@ llsec_do_decrypt_unauth(struct sk_buff *skb, const struct mac802154_llsec *sec, unsigned char *data; int datalen; struct scatterlist src; - struct blkcipher_desc req = { - .tfm = key->tfm0, - .info = iv, - .flags = 0, - }; + SKCIPHER_REQUEST_ON_STACK(req, key->tfm0); + int err; llsec_geniv(iv, dev_addr, &hdr->sec); data = skb_mac_header(skb) + skb->mac_len; @@ -842,7 +841,13 @@ llsec_do_decrypt_unauth(struct sk_buff *skb, const struct mac802154_llsec *sec, sg_init_one(&src, data, datalen); - return crypto_blkcipher_decrypt_iv(&req, &src, &src, datalen); + skcipher_request_set_tfm(req, key->tfm0); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &src, &src, datalen, iv); + + err = crypto_skcipher_decrypt(req); + skcipher_request_zero(req); + return err; } static int diff --git a/net/mac802154/llsec.h b/net/mac802154/llsec.h index 950578e..6f3b658 100644 --- a/net/mac802154/llsec.h +++ b/net/mac802154/llsec.h @@ -19,7 +19,6 @@ #include <linux/slab.h> #include <linux/hashtable.h> -#include <linux/crypto.h> #include <linux/kref.h> #include <linux/spinlock.h> #include <net/af_ieee802154.h> @@ -30,7 +29,7 @@ struct mac802154_llsec_key { /* one tfm for each authsize (4/8/16) */ struct crypto_aead *tfm[3]; - struct crypto_blkcipher *tfm0; + struct crypto_skcipher *tfm0; struct kref ref; }; diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 2934a73..71598f5 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -252,7 +252,7 @@ struct rxrpc_connection { struct rxrpc_security *security; /* applied security module */ struct key *key; /* security for this connection (client) */ struct key *server_key; /* security for this service */ - struct crypto_blkcipher *cipher; /* encryption handle */ + struct crypto_skcipher *cipher; /* encryption handle */ struct rxrpc_crypt csum_iv; /* packet checksum base */ unsigned long events; #define RXRPC_CONN_CHALLENGE 0 /* send challenge packet */ diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c index 3f65716..3fb492e 100644 --- a/net/rxrpc/ar-key.c +++ b/net/rxrpc/ar-key.c @@ -12,11 +12,11 @@ * "afs@CAMBRIDGE.REDHAT.COM> */ +#include <crypto/skcipher.h> #include <linux/module.h> #include <linux/net.h> #include <linux/skbuff.h> #include <linux/key-type.h> -#include <linux/crypto.h> #include <linux/ctype.h> #include <linux/slab.h> #include <net/sock.h> @@ -824,7 +824,7 @@ static void rxrpc_free_preparse(struct key_preparsed_payload *prep) */ static int rxrpc_preparse_s(struct key_preparsed_payload *prep) { - struct crypto_blkcipher *ci; + struct crypto_skcipher *ci; _enter("%zu", prep->datalen); @@ -833,13 +833,13 @@ static int rxrpc_preparse_s(struct key_preparsed_payload *prep) memcpy(&prep->payload.data[2], prep->data, 8); - ci = crypto_alloc_blkcipher("pcbc(des)", 0, CRYPTO_ALG_ASYNC); + ci = crypto_alloc_skcipher("pcbc(des)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(ci)) { _leave(" = %ld", PTR_ERR(ci)); return PTR_ERR(ci); } - if (crypto_blkcipher_setkey(ci, prep->data, 8) < 0) + if (crypto_skcipher_setkey(ci, prep->data, 8) < 0) BUG(); prep->payload.data[0] = ci; @@ -853,7 +853,7 @@ static int rxrpc_preparse_s(struct key_preparsed_payload *prep) static void rxrpc_free_preparse_s(struct key_preparsed_payload *prep) { if (prep->payload.data[0]) - crypto_free_blkcipher(prep->payload.data[0]); + crypto_free_skcipher(prep->payload.data[0]); } /* @@ -870,7 +870,7 @@ static void rxrpc_destroy(struct key *key) static void rxrpc_destroy_s(struct key *key) { if (key->payload.data[0]) { - crypto_free_blkcipher(key->payload.data[0]); + crypto_free_skcipher(key->payload.data[0]); key->payload.data[0] = NULL; } } diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c index d7a9ab5..0d96b48 100644 --- a/net/rxrpc/rxkad.c +++ b/net/rxrpc/rxkad.c @@ -9,11 +9,11 @@ * 2 of the License, or (at your option) any later version. */ +#include <crypto/skcipher.h> #include <linux/module.h> #include <linux/net.h> #include <linux/skbuff.h> #include <linux/udp.h> -#include <linux/crypto.h> #include <linux/scatterlist.h> #include <linux/ctype.h> #include <linux/slab.h> @@ -53,7 +53,7 @@ MODULE_LICENSE("GPL"); * alloc routine, but since we have it to hand, we use it to decrypt RESPONSE * packets */ -static struct crypto_blkcipher *rxkad_ci; +static struct crypto_skcipher *rxkad_ci; static DEFINE_MUTEX(rxkad_ci_mutex); /* @@ -61,7 +61,7 @@ static DEFINE_MUTEX(rxkad_ci_mutex); */ static int rxkad_init_connection_security(struct rxrpc_connection *conn) { - struct crypto_blkcipher *ci; + struct crypto_skcipher *ci; struct rxrpc_key_token *token; int ret; @@ -70,15 +70,15 @@ static int rxkad_init_connection_security(struct rxrpc_connection *conn) token = conn->key->payload.data[0]; conn->security_ix = token->security_index; - ci = crypto_alloc_blkcipher("pcbc(fcrypt)", 0, CRYPTO_ALG_ASYNC); + ci = crypto_alloc_skcipher("pcbc(fcrypt)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(ci)) { _debug("no cipher"); ret = PTR_ERR(ci); goto error; } - if (crypto_blkcipher_setkey(ci, token->kad->session_key, - sizeof(token->kad->session_key)) < 0) + if (crypto_skcipher_setkey(ci, token->kad->session_key, + sizeof(token->kad->session_key)) < 0) BUG(); switch (conn->security_level) { @@ -113,7 +113,7 @@ error: static void rxkad_prime_packet_security(struct rxrpc_connection *conn) { struct rxrpc_key_token *token; - struct blkcipher_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, conn->cipher); struct scatterlist sg[2]; struct rxrpc_crypt iv; struct { @@ -128,10 +128,6 @@ static void rxkad_prime_packet_security(struct rxrpc_connection *conn) token = conn->key->payload.data[0]; memcpy(&iv, token->kad->session_key, sizeof(iv)); - desc.tfm = conn->cipher; - desc.info = iv.x; - desc.flags = 0; - tmpbuf.x[0] = conn->epoch; tmpbuf.x[1] = conn->cid; tmpbuf.x[2] = 0; @@ -139,7 +135,13 @@ static void rxkad_prime_packet_security(struct rxrpc_connection *conn) sg_init_one(&sg[0], &tmpbuf, sizeof(tmpbuf)); sg_init_one(&sg[1], &tmpbuf, sizeof(tmpbuf)); - crypto_blkcipher_encrypt_iv(&desc, &sg[0], &sg[1], sizeof(tmpbuf)); + + skcipher_request_set_tfm(req, conn->cipher); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg[1], &sg[0], sizeof(tmpbuf), iv.x); + + crypto_skcipher_encrypt(req); + skcipher_request_zero(req); memcpy(&conn->csum_iv, &tmpbuf.x[2], sizeof(conn->csum_iv)); ASSERTCMP(conn->csum_iv.n[0], ==, tmpbuf.x[2]); @@ -156,7 +158,7 @@ static int rxkad_secure_packet_auth(const struct rxrpc_call *call, void *sechdr) { struct rxrpc_skb_priv *sp; - struct blkcipher_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, call->conn->cipher); struct rxrpc_crypt iv; struct scatterlist sg[2]; struct { @@ -177,13 +179,16 @@ static int rxkad_secure_packet_auth(const struct rxrpc_call *call, /* start the encryption afresh */ memset(&iv, 0, sizeof(iv)); - desc.tfm = call->conn->cipher; - desc.info = iv.x; - desc.flags = 0; sg_init_one(&sg[0], &tmpbuf, sizeof(tmpbuf)); sg_init_one(&sg[1], &tmpbuf, sizeof(tmpbuf)); - crypto_blkcipher_encrypt_iv(&desc, &sg[0], &sg[1], sizeof(tmpbuf)); + + skcipher_request_set_tfm(req, call->conn->cipher); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg[1], &sg[0], sizeof(tmpbuf), iv.x); + + crypto_skcipher_encrypt(req); + skcipher_request_zero(req); memcpy(sechdr, &tmpbuf, sizeof(tmpbuf)); @@ -203,13 +208,14 @@ static int rxkad_secure_packet_encrypt(const struct rxrpc_call *call, struct rxkad_level2_hdr rxkhdr __attribute__((aligned(8))); /* must be all on one page */ struct rxrpc_skb_priv *sp; - struct blkcipher_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, call->conn->cipher); struct rxrpc_crypt iv; struct scatterlist sg[16]; struct sk_buff *trailer; unsigned int len; u16 check; int nsg; + int err; sp = rxrpc_skb(skb); @@ -223,28 +229,38 @@ static int rxkad_secure_packet_encrypt(const struct rxrpc_call *call, /* encrypt from the session key */ token = call->conn->key->payload.data[0]; memcpy(&iv, token->kad->session_key, sizeof(iv)); - desc.tfm = call->conn->cipher; - desc.info = iv.x; - desc.flags = 0; sg_init_one(&sg[0], sechdr, sizeof(rxkhdr)); sg_init_one(&sg[1], &rxkhdr, sizeof(rxkhdr)); - crypto_blkcipher_encrypt_iv(&desc, &sg[0], &sg[1], sizeof(rxkhdr)); + + skcipher_request_set_tfm(req, call->conn->cipher); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg[1], &sg[0], sizeof(rxkhdr), iv.x); + + crypto_skcipher_encrypt(req); /* we want to encrypt the skbuff in-place */ nsg = skb_cow_data(skb, 0, &trailer); + err = -ENOMEM; if (nsg < 0 || nsg > 16) - return -ENOMEM; + goto out; len = data_size + call->conn->size_align - 1; len &= ~(call->conn->size_align - 1); sg_init_table(sg, nsg); skb_to_sgvec(skb, sg, 0, len); - crypto_blkcipher_encrypt_iv(&desc, sg, sg, len); + + skcipher_request_set_crypt(req, sg, sg, len, iv.x); + + crypto_skcipher_encrypt(req); _leave(" = 0"); - return 0; + err = 0; + +out: + skcipher_request_zero(req); + return err; } /* @@ -256,7 +272,7 @@ static int rxkad_secure_packet(const struct rxrpc_call *call, void *sechdr) { struct rxrpc_skb_priv *sp; - struct blkcipher_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, call->conn->cipher); struct rxrpc_crypt iv; struct scatterlist sg[2]; struct { @@ -281,9 +297,6 @@ static int rxkad_secure_packet(const struct rxrpc_call *call, /* continue encrypting from where we left off */ memcpy(&iv, call->conn->csum_iv.x, sizeof(iv)); - desc.tfm = call->conn->cipher; - desc.info = iv.x; - desc.flags = 0; /* calculate the security checksum */ x = htonl(call->channel << (32 - RXRPC_CIDSHIFT)); @@ -293,7 +306,13 @@ static int rxkad_secure_packet(const struct rxrpc_call *call, sg_init_one(&sg[0], &tmpbuf, sizeof(tmpbuf)); sg_init_one(&sg[1], &tmpbuf, sizeof(tmpbuf)); - crypto_blkcipher_encrypt_iv(&desc, &sg[0], &sg[1], sizeof(tmpbuf)); + + skcipher_request_set_tfm(req, call->conn->cipher); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg[1], &sg[0], sizeof(tmpbuf), iv.x); + + crypto_skcipher_encrypt(req); + skcipher_request_zero(req); y = ntohl(tmpbuf.x[1]); y = (y >> 16) & 0xffff; @@ -330,7 +349,7 @@ static int rxkad_verify_packet_auth(const struct rxrpc_call *call, { struct rxkad_level1_hdr sechdr; struct rxrpc_skb_priv *sp; - struct blkcipher_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, call->conn->cipher); struct rxrpc_crypt iv; struct scatterlist sg[16]; struct sk_buff *trailer; @@ -352,11 +371,13 @@ static int rxkad_verify_packet_auth(const struct rxrpc_call *call, /* start the decryption afresh */ memset(&iv, 0, sizeof(iv)); - desc.tfm = call->conn->cipher; - desc.info = iv.x; - desc.flags = 0; - crypto_blkcipher_decrypt_iv(&desc, sg, sg, 8); + skcipher_request_set_tfm(req, call->conn->cipher); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg, sg, 8, iv.x); + + crypto_skcipher_decrypt(req); + skcipher_request_zero(req); /* remove the decrypted packet length */ if (skb_copy_bits(skb, 0, &sechdr, sizeof(sechdr)) < 0) @@ -405,7 +426,7 @@ static int rxkad_verify_packet_encrypt(const struct rxrpc_call *call, const struct rxrpc_key_token *token; struct rxkad_level2_hdr sechdr; struct rxrpc_skb_priv *sp; - struct blkcipher_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, call->conn->cipher); struct rxrpc_crypt iv; struct scatterlist _sg[4], *sg; struct sk_buff *trailer; @@ -435,11 +456,13 @@ static int rxkad_verify_packet_encrypt(const struct rxrpc_call *call, /* decrypt from the session key */ token = call->conn->key->payload.data[0]; memcpy(&iv, token->kad->session_key, sizeof(iv)); - desc.tfm = call->conn->cipher; - desc.info = iv.x; - desc.flags = 0; - crypto_blkcipher_decrypt_iv(&desc, sg, sg, skb->len); + skcipher_request_set_tfm(req, call->conn->cipher); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg, sg, skb->len, iv.x); + + crypto_skcipher_decrypt(req); + skcipher_request_zero(req); if (sg != _sg) kfree(sg); @@ -487,7 +510,7 @@ static int rxkad_verify_packet(const struct rxrpc_call *call, struct sk_buff *skb, u32 *_abort_code) { - struct blkcipher_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, call->conn->cipher); struct rxrpc_skb_priv *sp; struct rxrpc_crypt iv; struct scatterlist sg[2]; @@ -516,9 +539,6 @@ static int rxkad_verify_packet(const struct rxrpc_call *call, /* continue encrypting from where we left off */ memcpy(&iv, call->conn->csum_iv.x, sizeof(iv)); - desc.tfm = call->conn->cipher; - desc.info = iv.x; - desc.flags = 0; /* validate the security checksum */ x = htonl(call->channel << (32 - RXRPC_CIDSHIFT)); @@ -528,7 +548,13 @@ static int rxkad_verify_packet(const struct rxrpc_call *call, sg_init_one(&sg[0], &tmpbuf, sizeof(tmpbuf)); sg_init_one(&sg[1], &tmpbuf, sizeof(tmpbuf)); - crypto_blkcipher_encrypt_iv(&desc, &sg[0], &sg[1], sizeof(tmpbuf)); + + skcipher_request_set_tfm(req, call->conn->cipher); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg[1], &sg[0], sizeof(tmpbuf), iv.x); + + crypto_skcipher_encrypt(req); + skcipher_request_zero(req); y = ntohl(tmpbuf.x[1]); y = (y >> 16) & 0xffff; @@ -718,18 +744,21 @@ static void rxkad_encrypt_response(struct rxrpc_connection *conn, struct rxkad_response *resp, const struct rxkad_key *s2) { - struct blkcipher_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, conn->cipher); struct rxrpc_crypt iv; struct scatterlist sg[2]; /* continue encrypting from where we left off */ memcpy(&iv, s2->session_key, sizeof(iv)); - desc.tfm = conn->cipher; - desc.info = iv.x; - desc.flags = 0; rxkad_sg_set_buf2(sg, &resp->encrypted, sizeof(resp->encrypted)); - crypto_blkcipher_encrypt_iv(&desc, sg, sg, sizeof(resp->encrypted)); + + skcipher_request_set_tfm(req, conn->cipher); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg, sg, sizeof(resp->encrypted), iv.x); + + crypto_skcipher_encrypt(req); + skcipher_request_zero(req); } /* @@ -822,7 +851,7 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn, time_t *_expiry, u32 *_abort_code) { - struct blkcipher_desc desc; + struct skcipher_request *req; struct rxrpc_crypt iv, key; struct scatterlist sg[1]; struct in_addr addr; @@ -853,12 +882,21 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn, memcpy(&iv, &conn->server_key->payload.data[2], sizeof(iv)); - desc.tfm = conn->server_key->payload.data[0]; - desc.info = iv.x; - desc.flags = 0; + req = skcipher_request_alloc(conn->server_key->payload.data[0], + GFP_NOFS); + if (!req) { + *_abort_code = RXKADNOAUTH; + ret = -ENOMEM; + goto error; + } sg_init_one(&sg[0], ticket, ticket_len); - crypto_blkcipher_decrypt_iv(&desc, sg, sg, ticket_len); + + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg, sg, ticket_len, iv.x); + + crypto_skcipher_decrypt(req); + skcipher_request_free(req); p = ticket; end = p + ticket_len; @@ -966,7 +1004,7 @@ static void rxkad_decrypt_response(struct rxrpc_connection *conn, struct rxkad_response *resp, const struct rxrpc_crypt *session_key) { - struct blkcipher_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, rxkad_ci); struct scatterlist sg[2]; struct rxrpc_crypt iv; @@ -976,17 +1014,21 @@ static void rxkad_decrypt_response(struct rxrpc_connection *conn, ASSERT(rxkad_ci != NULL); mutex_lock(&rxkad_ci_mutex); - if (crypto_blkcipher_setkey(rxkad_ci, session_key->x, - sizeof(*session_key)) < 0) + if (crypto_skcipher_setkey(rxkad_ci, session_key->x, + sizeof(*session_key)) < 0) BUG(); memcpy(&iv, session_key, sizeof(iv)); - desc.tfm = rxkad_ci; - desc.info = iv.x; - desc.flags = 0; rxkad_sg_set_buf2(sg, &resp->encrypted, sizeof(resp->encrypted)); - crypto_blkcipher_decrypt_iv(&desc, sg, sg, sizeof(resp->encrypted)); + + skcipher_request_set_tfm(req, rxkad_ci); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg, sg, sizeof(resp->encrypted), iv.x); + + crypto_skcipher_decrypt(req); + skcipher_request_zero(req); + mutex_unlock(&rxkad_ci_mutex); _leave(""); @@ -1115,7 +1157,7 @@ static void rxkad_clear(struct rxrpc_connection *conn) _enter(""); if (conn->cipher) - crypto_free_blkcipher(conn->cipher); + crypto_free_skcipher(conn->cipher); } /* @@ -1141,7 +1183,7 @@ static __init int rxkad_init(void) /* pin the cipher we need so that the crypto layer doesn't invoke * keventd to go get it */ - rxkad_ci = crypto_alloc_blkcipher("pcbc(fcrypt)", 0, CRYPTO_ALG_ASYNC); + rxkad_ci = crypto_alloc_skcipher("pcbc(fcrypt)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(rxkad_ci)) return PTR_ERR(rxkad_ci); @@ -1155,7 +1197,7 @@ static __exit void rxkad_exit(void) _enter(""); rxrpc_unregister_security(&rxkad); - crypto_free_blkcipher(rxkad_ci); + crypto_free_skcipher(rxkad_ci); } module_exit(rxkad_exit); diff --git a/net/sctp/auth.c b/net/sctp/auth.c index 1543e39..912eb16 100644 --- a/net/sctp/auth.c +++ b/net/sctp/auth.c @@ -27,9 +27,9 @@ * Vlad Yasevich <vladislav.yasevich@hp.com> */ +#include <crypto/hash.h> #include <linux/slab.h> #include <linux/types.h> -#include <linux/crypto.h> #include <linux/scatterlist.h> #include <net/sctp/sctp.h> #include <net/sctp/auth.h> @@ -448,7 +448,7 @@ struct sctp_shared_key *sctp_auth_get_shkey( */ int sctp_auth_init_hmacs(struct sctp_endpoint *ep, gfp_t gfp) { - struct crypto_hash *tfm = NULL; + struct crypto_shash *tfm = NULL; __u16 id; /* If AUTH extension is disabled, we are done */ @@ -462,9 +462,8 @@ int sctp_auth_init_hmacs(struct sctp_endpoint *ep, gfp_t gfp) return 0; /* Allocated the array of pointers to transorms */ - ep->auth_hmacs = kzalloc( - sizeof(struct crypto_hash *) * SCTP_AUTH_NUM_HMACS, - gfp); + ep->auth_hmacs = kzalloc(sizeof(struct crypto_shash *) * + SCTP_AUTH_NUM_HMACS, gfp); if (!ep->auth_hmacs) return -ENOMEM; @@ -483,8 +482,7 @@ int sctp_auth_init_hmacs(struct sctp_endpoint *ep, gfp_t gfp) continue; /* Allocate the ID */ - tfm = crypto_alloc_hash(sctp_hmac_list[id].hmac_name, 0, - CRYPTO_ALG_ASYNC); + tfm = crypto_alloc_shash(sctp_hmac_list[id].hmac_name, 0, 0); if (IS_ERR(tfm)) goto out_err; @@ -500,7 +498,7 @@ out_err: } /* Destroy the hmac tfm array */ -void sctp_auth_destroy_hmacs(struct crypto_hash *auth_hmacs[]) +void sctp_auth_destroy_hmacs(struct crypto_shash *auth_hmacs[]) { int i; @@ -508,8 +506,7 @@ void sctp_auth_destroy_hmacs(struct crypto_hash *auth_hmacs[]) return; for (i = 0; i < SCTP_AUTH_NUM_HMACS; i++) { - if (auth_hmacs[i]) - crypto_free_hash(auth_hmacs[i]); + crypto_free_shash(auth_hmacs[i]); } kfree(auth_hmacs); } @@ -709,8 +706,7 @@ void sctp_auth_calculate_hmac(const struct sctp_association *asoc, struct sctp_auth_chunk *auth, gfp_t gfp) { - struct scatterlist sg; - struct hash_desc desc; + struct crypto_shash *tfm; struct sctp_auth_bytes *asoc_key; __u16 key_id, hmac_id; __u8 *digest; @@ -742,16 +738,22 @@ void sctp_auth_calculate_hmac(const struct sctp_association *asoc, /* set up scatter list */ end = skb_tail_pointer(skb); - sg_init_one(&sg, auth, end - (unsigned char *)auth); - desc.tfm = asoc->ep->auth_hmacs[hmac_id]; - desc.flags = 0; + tfm = asoc->ep->auth_hmacs[hmac_id]; digest = auth->auth_hdr.hmac; - if (crypto_hash_setkey(desc.tfm, &asoc_key->data[0], asoc_key->len)) + if (crypto_shash_setkey(tfm, &asoc_key->data[0], asoc_key->len)) goto free; - crypto_hash_digest(&desc, &sg, sg.length, digest); + { + SHASH_DESC_ON_STACK(desc, tfm); + + desc->tfm = tfm; + desc->flags = 0; + crypto_shash_digest(desc, (u8 *)auth, + end - (unsigned char *)auth, digest); + shash_desc_zero(desc); + } free: if (free_key) diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index 2522a61..9d494e3 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -42,7 +42,6 @@ #include <linux/slab.h> #include <linux/in.h> #include <linux/random.h> /* get_random_bytes() */ -#include <linux/crypto.h> #include <net/sock.h> #include <net/ipv6.h> #include <net/sctp/sctp.h> diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 5d6a03f..1296e55 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -45,6 +45,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <crypto/hash.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/ip.h> @@ -52,7 +53,6 @@ #include <linux/net.h> #include <linux/inet.h> #include <linux/scatterlist.h> -#include <linux/crypto.h> #include <linux/slab.h> #include <net/sock.h> @@ -1606,7 +1606,6 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep, { sctp_cookie_param_t *retval; struct sctp_signed_cookie *cookie; - struct scatterlist sg; int headersize, bodysize; /* Header size is static data prior to the actual cookie, including @@ -1663,16 +1662,19 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep, ntohs(init_chunk->chunk_hdr->length), raw_addrs, addrs_len); if (sctp_sk(ep->base.sk)->hmac) { - struct hash_desc desc; + SHASH_DESC_ON_STACK(desc, sctp_sk(ep->base.sk)->hmac); + int err; /* Sign the message. */ - sg_init_one(&sg, &cookie->c, bodysize); - desc.tfm = sctp_sk(ep->base.sk)->hmac; - desc.flags = 0; - - if (crypto_hash_setkey(desc.tfm, ep->secret_key, - sizeof(ep->secret_key)) || - crypto_hash_digest(&desc, &sg, bodysize, cookie->signature)) + desc->tfm = sctp_sk(ep->base.sk)->hmac; + desc->flags = 0; + + err = crypto_shash_setkey(desc->tfm, ep->secret_key, + sizeof(ep->secret_key)) ?: + crypto_shash_digest(desc, (u8 *)&cookie->c, bodysize, + cookie->signature); + shash_desc_zero(desc); + if (err) goto free_cookie; } @@ -1697,12 +1699,10 @@ struct sctp_association *sctp_unpack_cookie( struct sctp_cookie *bear_cookie; int headersize, bodysize, fixed_size; __u8 *digest = ep->digest; - struct scatterlist sg; unsigned int len; sctp_scope_t scope; struct sk_buff *skb = chunk->skb; ktime_t kt; - struct hash_desc desc; /* Header size is static data prior to the actual cookie, including * any padding. @@ -1733,16 +1733,23 @@ struct sctp_association *sctp_unpack_cookie( goto no_hmac; /* Check the signature. */ - sg_init_one(&sg, bear_cookie, bodysize); - desc.tfm = sctp_sk(ep->base.sk)->hmac; - desc.flags = 0; - - memset(digest, 0x00, SCTP_SIGNATURE_SIZE); - if (crypto_hash_setkey(desc.tfm, ep->secret_key, - sizeof(ep->secret_key)) || - crypto_hash_digest(&desc, &sg, bodysize, digest)) { - *error = -SCTP_IERROR_NOMEM; - goto fail; + { + SHASH_DESC_ON_STACK(desc, sctp_sk(ep->base.sk)->hmac); + int err; + + desc->tfm = sctp_sk(ep->base.sk)->hmac; + desc->flags = 0; + + err = crypto_shash_setkey(desc->tfm, ep->secret_key, + sizeof(ep->secret_key)) ?: + crypto_shash_digest(desc, (u8 *)bear_cookie, bodysize, + digest); + shash_desc_zero(desc); + + if (err) { + *error = -SCTP_IERROR_NOMEM; + goto fail; + } } if (memcmp(digest, cookie->signature, SCTP_SIGNATURE_SIZE)) { diff --git a/net/sctp/socket.c b/net/sctp/socket.c index e878da0..de8eabf 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -52,6 +52,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <crypto/hash.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/wait.h> @@ -61,7 +62,6 @@ #include <linux/fcntl.h> #include <linux/poll.h> #include <linux/init.h> -#include <linux/crypto.h> #include <linux/slab.h> #include <linux/file.h> #include <linux/compat.h> @@ -4160,7 +4160,7 @@ static void sctp_destruct_sock(struct sock *sk) struct sctp_sock *sp = sctp_sk(sk); /* Free up the HMAC transform. */ - crypto_free_hash(sp->hmac); + crypto_free_shash(sp->hmac); inet_sock_destruct(sk); } @@ -6304,13 +6304,13 @@ static int sctp_listen_start(struct sock *sk, int backlog) { struct sctp_sock *sp = sctp_sk(sk); struct sctp_endpoint *ep = sp->ep; - struct crypto_hash *tfm = NULL; + struct crypto_shash *tfm = NULL; char alg[32]; /* Allocate HMAC for generating cookie. */ if (!sp->hmac && sp->sctp_hmac_alg) { sprintf(alg, "hmac(%s)", sp->sctp_hmac_alg); - tfm = crypto_alloc_hash(alg, 0, CRYPTO_ALG_ASYNC); + tfm = crypto_alloc_shash(alg, 0, 0); if (IS_ERR(tfm)) { net_info_ratelimited("failed to load transform for %s: %ld\n", sp->sctp_hmac_alg, PTR_ERR(tfm)); diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c index fee3c15..d94a8e1 100644 --- a/net/sunrpc/auth_gss/gss_krb5_crypto.c +++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c @@ -34,11 +34,12 @@ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ +#include <crypto/hash.h> +#include <crypto/skcipher.h> #include <linux/err.h> #include <linux/types.h> #include <linux/mm.h> #include <linux/scatterlist.h> -#include <linux/crypto.h> #include <linux/highmem.h> #include <linux/pagemap.h> #include <linux/random.h> @@ -51,7 +52,7 @@ u32 krb5_encrypt( - struct crypto_blkcipher *tfm, + struct crypto_skcipher *tfm, void * iv, void * in, void * out, @@ -60,24 +61,28 @@ krb5_encrypt( u32 ret = -EINVAL; struct scatterlist sg[1]; u8 local_iv[GSS_KRB5_MAX_BLOCKSIZE] = {0}; - struct blkcipher_desc desc = { .tfm = tfm, .info = local_iv }; + SKCIPHER_REQUEST_ON_STACK(req, tfm); - if (length % crypto_blkcipher_blocksize(tfm) != 0) + if (length % crypto_skcipher_blocksize(tfm) != 0) goto out; - if (crypto_blkcipher_ivsize(tfm) > GSS_KRB5_MAX_BLOCKSIZE) { + if (crypto_skcipher_ivsize(tfm) > GSS_KRB5_MAX_BLOCKSIZE) { dprintk("RPC: gss_k5encrypt: tfm iv size too large %d\n", - crypto_blkcipher_ivsize(tfm)); + crypto_skcipher_ivsize(tfm)); goto out; } if (iv) - memcpy(local_iv, iv, crypto_blkcipher_ivsize(tfm)); + memcpy(local_iv, iv, crypto_skcipher_ivsize(tfm)); memcpy(out, in, length); sg_init_one(sg, out, length); - ret = crypto_blkcipher_encrypt_iv(&desc, sg, sg, length); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg, sg, length, local_iv); + + ret = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); out: dprintk("RPC: krb5_encrypt returns %d\n", ret); return ret; @@ -85,7 +90,7 @@ out: u32 krb5_decrypt( - struct crypto_blkcipher *tfm, + struct crypto_skcipher *tfm, void * iv, void * in, void * out, @@ -94,23 +99,27 @@ krb5_decrypt( u32 ret = -EINVAL; struct scatterlist sg[1]; u8 local_iv[GSS_KRB5_MAX_BLOCKSIZE] = {0}; - struct blkcipher_desc desc = { .tfm = tfm, .info = local_iv }; + SKCIPHER_REQUEST_ON_STACK(req, tfm); - if (length % crypto_blkcipher_blocksize(tfm) != 0) + if (length % crypto_skcipher_blocksize(tfm) != 0) goto out; - if (crypto_blkcipher_ivsize(tfm) > GSS_KRB5_MAX_BLOCKSIZE) { + if (crypto_skcipher_ivsize(tfm) > GSS_KRB5_MAX_BLOCKSIZE) { dprintk("RPC: gss_k5decrypt: tfm iv size too large %d\n", - crypto_blkcipher_ivsize(tfm)); + crypto_skcipher_ivsize(tfm)); goto out; } if (iv) - memcpy(local_iv,iv, crypto_blkcipher_ivsize(tfm)); + memcpy(local_iv,iv, crypto_skcipher_ivsize(tfm)); memcpy(out, in, length); sg_init_one(sg, out, length); - ret = crypto_blkcipher_decrypt_iv(&desc, sg, sg, length); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg, sg, length, local_iv); + + ret = crypto_skcipher_decrypt(req); + skcipher_request_zero(req); out: dprintk("RPC: gss_k5decrypt returns %d\n",ret); return ret; @@ -119,9 +128,11 @@ out: static int checksummer(struct scatterlist *sg, void *data) { - struct hash_desc *desc = data; + struct ahash_request *req = data; + + ahash_request_set_crypt(req, sg, NULL, sg->length); - return crypto_hash_update(desc, sg, sg->length); + return crypto_ahash_update(req); } static int @@ -152,13 +163,13 @@ make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen, struct xdr_buf *body, int body_offset, u8 *cksumkey, unsigned int usage, struct xdr_netobj *cksumout) { - struct hash_desc desc; struct scatterlist sg[1]; int err; u8 checksumdata[GSS_KRB5_MAX_CKSUM_LEN]; u8 rc4salt[4]; - struct crypto_hash *md5; - struct crypto_hash *hmac_md5; + struct crypto_ahash *md5; + struct crypto_ahash *hmac_md5; + struct ahash_request *req; if (cksumkey == NULL) return GSS_S_FAILURE; @@ -174,61 +185,79 @@ make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen, return GSS_S_FAILURE; } - md5 = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC); + md5 = crypto_alloc_ahash("md5", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(md5)) return GSS_S_FAILURE; - hmac_md5 = crypto_alloc_hash(kctx->gk5e->cksum_name, 0, - CRYPTO_ALG_ASYNC); + hmac_md5 = crypto_alloc_ahash(kctx->gk5e->cksum_name, 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(hmac_md5)) { - crypto_free_hash(md5); + crypto_free_ahash(md5); + return GSS_S_FAILURE; + } + + req = ahash_request_alloc(md5, GFP_KERNEL); + if (!req) { + crypto_free_ahash(hmac_md5); + crypto_free_ahash(md5); return GSS_S_FAILURE; } - desc.tfm = md5; - desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; + ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); - err = crypto_hash_init(&desc); + err = crypto_ahash_init(req); if (err) goto out; sg_init_one(sg, rc4salt, 4); - err = crypto_hash_update(&desc, sg, 4); + ahash_request_set_crypt(req, sg, NULL, 4); + err = crypto_ahash_update(req); if (err) goto out; sg_init_one(sg, header, hdrlen); - err = crypto_hash_update(&desc, sg, hdrlen); + ahash_request_set_crypt(req, sg, NULL, hdrlen); + err = crypto_ahash_update(req); if (err) goto out; err = xdr_process_buf(body, body_offset, body->len - body_offset, - checksummer, &desc); + checksummer, req); if (err) goto out; - err = crypto_hash_final(&desc, checksumdata); + ahash_request_set_crypt(req, NULL, checksumdata, 0); + err = crypto_ahash_final(req); if (err) goto out; - desc.tfm = hmac_md5; - desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; + ahash_request_free(req); + req = ahash_request_alloc(hmac_md5, GFP_KERNEL); + if (!req) { + crypto_free_ahash(hmac_md5); + crypto_free_ahash(md5); + return GSS_S_FAILURE; + } + + ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); - err = crypto_hash_init(&desc); + err = crypto_ahash_init(req); if (err) goto out; - err = crypto_hash_setkey(hmac_md5, cksumkey, kctx->gk5e->keylength); + err = crypto_ahash_setkey(hmac_md5, cksumkey, kctx->gk5e->keylength); if (err) goto out; - sg_init_one(sg, checksumdata, crypto_hash_digestsize(md5)); - err = crypto_hash_digest(&desc, sg, crypto_hash_digestsize(md5), - checksumdata); + sg_init_one(sg, checksumdata, crypto_ahash_digestsize(md5)); + ahash_request_set_crypt(req, sg, checksumdata, + crypto_ahash_digestsize(md5)); + err = crypto_ahash_digest(req); if (err) goto out; memcpy(cksumout->data, checksumdata, kctx->gk5e->cksumlength); cksumout->len = kctx->gk5e->cksumlength; out: - crypto_free_hash(md5); - crypto_free_hash(hmac_md5); + ahash_request_free(req); + crypto_free_ahash(md5); + crypto_free_ahash(hmac_md5); return err ? GSS_S_FAILURE : 0; } @@ -242,7 +271,8 @@ make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen, struct xdr_buf *body, int body_offset, u8 *cksumkey, unsigned int usage, struct xdr_netobj *cksumout) { - struct hash_desc desc; + struct crypto_ahash *tfm; + struct ahash_request *req; struct scatterlist sg[1]; int err; u8 checksumdata[GSS_KRB5_MAX_CKSUM_LEN]; @@ -259,32 +289,41 @@ make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen, return GSS_S_FAILURE; } - desc.tfm = crypto_alloc_hash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(desc.tfm)) + tfm = crypto_alloc_ahash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(tfm)) return GSS_S_FAILURE; - desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; - checksumlen = crypto_hash_digestsize(desc.tfm); + req = ahash_request_alloc(tfm, GFP_KERNEL); + if (!req) { + crypto_free_ahash(tfm); + return GSS_S_FAILURE; + } + + ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); + + checksumlen = crypto_ahash_digestsize(tfm); if (cksumkey != NULL) { - err = crypto_hash_setkey(desc.tfm, cksumkey, - kctx->gk5e->keylength); + err = crypto_ahash_setkey(tfm, cksumkey, + kctx->gk5e->keylength); if (err) goto out; } - err = crypto_hash_init(&desc); + err = crypto_ahash_init(req); if (err) goto out; sg_init_one(sg, header, hdrlen); - err = crypto_hash_update(&desc, sg, hdrlen); + ahash_request_set_crypt(req, sg, NULL, hdrlen); + err = crypto_ahash_update(req); if (err) goto out; err = xdr_process_buf(body, body_offset, body->len - body_offset, - checksummer, &desc); + checksummer, req); if (err) goto out; - err = crypto_hash_final(&desc, checksumdata); + ahash_request_set_crypt(req, NULL, checksumdata, 0); + err = crypto_ahash_final(req); if (err) goto out; @@ -307,7 +346,8 @@ make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen, } cksumout->len = kctx->gk5e->cksumlength; out: - crypto_free_hash(desc.tfm); + ahash_request_free(req); + crypto_free_ahash(tfm); return err ? GSS_S_FAILURE : 0; } @@ -323,7 +363,8 @@ make_checksum_v2(struct krb5_ctx *kctx, char *header, int hdrlen, struct xdr_buf *body, int body_offset, u8 *cksumkey, unsigned int usage, struct xdr_netobj *cksumout) { - struct hash_desc desc; + struct crypto_ahash *tfm; + struct ahash_request *req; struct scatterlist sg[1]; int err; u8 checksumdata[GSS_KRB5_MAX_CKSUM_LEN]; @@ -340,31 +381,39 @@ make_checksum_v2(struct krb5_ctx *kctx, char *header, int hdrlen, return GSS_S_FAILURE; } - desc.tfm = crypto_alloc_hash(kctx->gk5e->cksum_name, 0, - CRYPTO_ALG_ASYNC); - if (IS_ERR(desc.tfm)) + tfm = crypto_alloc_ahash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(tfm)) return GSS_S_FAILURE; - checksumlen = crypto_hash_digestsize(desc.tfm); - desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; + checksumlen = crypto_ahash_digestsize(tfm); + + req = ahash_request_alloc(tfm, GFP_KERNEL); + if (!req) { + crypto_free_ahash(tfm); + return GSS_S_FAILURE; + } - err = crypto_hash_setkey(desc.tfm, cksumkey, kctx->gk5e->keylength); + ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); + + err = crypto_ahash_setkey(tfm, cksumkey, kctx->gk5e->keylength); if (err) goto out; - err = crypto_hash_init(&desc); + err = crypto_ahash_init(req); if (err) goto out; err = xdr_process_buf(body, body_offset, body->len - body_offset, - checksummer, &desc); + checksummer, req); if (err) goto out; if (header != NULL) { sg_init_one(sg, header, hdrlen); - err = crypto_hash_update(&desc, sg, hdrlen); + ahash_request_set_crypt(req, sg, NULL, hdrlen); + err = crypto_ahash_update(req); if (err) goto out; } - err = crypto_hash_final(&desc, checksumdata); + ahash_request_set_crypt(req, NULL, checksumdata, 0); + err = crypto_ahash_final(req); if (err) goto out; @@ -381,13 +430,14 @@ make_checksum_v2(struct krb5_ctx *kctx, char *header, int hdrlen, break; } out: - crypto_free_hash(desc.tfm); + ahash_request_free(req); + crypto_free_ahash(tfm); return err ? GSS_S_FAILURE : 0; } struct encryptor_desc { u8 iv[GSS_KRB5_MAX_BLOCKSIZE]; - struct blkcipher_desc desc; + struct skcipher_request *req; int pos; struct xdr_buf *outbuf; struct page **pages; @@ -402,6 +452,7 @@ encryptor(struct scatterlist *sg, void *data) { struct encryptor_desc *desc = data; struct xdr_buf *outbuf = desc->outbuf; + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(desc->req); struct page *in_page; int thislen = desc->fraglen + sg->length; int fraglen, ret; @@ -427,7 +478,7 @@ encryptor(struct scatterlist *sg, void *data) desc->fraglen += sg->length; desc->pos += sg->length; - fraglen = thislen & (crypto_blkcipher_blocksize(desc->desc.tfm) - 1); + fraglen = thislen & (crypto_skcipher_blocksize(tfm) - 1); thislen -= fraglen; if (thislen == 0) @@ -436,8 +487,10 @@ encryptor(struct scatterlist *sg, void *data) sg_mark_end(&desc->infrags[desc->fragno - 1]); sg_mark_end(&desc->outfrags[desc->fragno - 1]); - ret = crypto_blkcipher_encrypt_iv(&desc->desc, desc->outfrags, - desc->infrags, thislen); + skcipher_request_set_crypt(desc->req, desc->infrags, desc->outfrags, + thislen, desc->iv); + + ret = crypto_skcipher_encrypt(desc->req); if (ret) return ret; @@ -459,18 +512,20 @@ encryptor(struct scatterlist *sg, void *data) } int -gss_encrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *buf, +gss_encrypt_xdr_buf(struct crypto_skcipher *tfm, struct xdr_buf *buf, int offset, struct page **pages) { int ret; struct encryptor_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, tfm); + + BUG_ON((buf->len - offset) % crypto_skcipher_blocksize(tfm) != 0); - BUG_ON((buf->len - offset) % crypto_blkcipher_blocksize(tfm) != 0); + skcipher_request_set_tfm(req, tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); memset(desc.iv, 0, sizeof(desc.iv)); - desc.desc.tfm = tfm; - desc.desc.info = desc.iv; - desc.desc.flags = 0; + desc.req = req; desc.pos = offset; desc.outbuf = buf; desc.pages = pages; @@ -481,12 +536,13 @@ gss_encrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *buf, sg_init_table(desc.outfrags, 4); ret = xdr_process_buf(buf, offset, buf->len - offset, encryptor, &desc); + skcipher_request_zero(req); return ret; } struct decryptor_desc { u8 iv[GSS_KRB5_MAX_BLOCKSIZE]; - struct blkcipher_desc desc; + struct skcipher_request *req; struct scatterlist frags[4]; int fragno; int fraglen; @@ -497,6 +553,7 @@ decryptor(struct scatterlist *sg, void *data) { struct decryptor_desc *desc = data; int thislen = desc->fraglen + sg->length; + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(desc->req); int fraglen, ret; /* Worst case is 4 fragments: head, end of page 1, start @@ -507,7 +564,7 @@ decryptor(struct scatterlist *sg, void *data) desc->fragno++; desc->fraglen += sg->length; - fraglen = thislen & (crypto_blkcipher_blocksize(desc->desc.tfm) - 1); + fraglen = thislen & (crypto_skcipher_blocksize(tfm) - 1); thislen -= fraglen; if (thislen == 0) @@ -515,8 +572,10 @@ decryptor(struct scatterlist *sg, void *data) sg_mark_end(&desc->frags[desc->fragno - 1]); - ret = crypto_blkcipher_decrypt_iv(&desc->desc, desc->frags, - desc->frags, thislen); + skcipher_request_set_crypt(desc->req, desc->frags, desc->frags, + thislen, desc->iv); + + ret = crypto_skcipher_decrypt(desc->req); if (ret) return ret; @@ -535,24 +594,29 @@ decryptor(struct scatterlist *sg, void *data) } int -gss_decrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *buf, +gss_decrypt_xdr_buf(struct crypto_skcipher *tfm, struct xdr_buf *buf, int offset) { + int ret; struct decryptor_desc desc; + SKCIPHER_REQUEST_ON_STACK(req, tfm); /* XXXJBF: */ - BUG_ON((buf->len - offset) % crypto_blkcipher_blocksize(tfm) != 0); + BUG_ON((buf->len - offset) % crypto_skcipher_blocksize(tfm) != 0); + + skcipher_request_set_tfm(req, tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); memset(desc.iv, 0, sizeof(desc.iv)); - desc.desc.tfm = tfm; - desc.desc.info = desc.iv; - desc.desc.flags = 0; + desc.req = req; desc.fragno = 0; desc.fraglen = 0; sg_init_table(desc.frags, 4); - return xdr_process_buf(buf, offset, buf->len - offset, decryptor, &desc); + ret = xdr_process_buf(buf, offset, buf->len - offset, decryptor, &desc); + skcipher_request_zero(req); + return ret; } /* @@ -594,12 +658,12 @@ xdr_extend_head(struct xdr_buf *buf, unsigned int base, unsigned int shiftlen) } static u32 -gss_krb5_cts_crypt(struct crypto_blkcipher *cipher, struct xdr_buf *buf, +gss_krb5_cts_crypt(struct crypto_skcipher *cipher, struct xdr_buf *buf, u32 offset, u8 *iv, struct page **pages, int encrypt) { u32 ret; struct scatterlist sg[1]; - struct blkcipher_desc desc = { .tfm = cipher, .info = iv }; + SKCIPHER_REQUEST_ON_STACK(req, cipher); u8 data[GSS_KRB5_MAX_BLOCKSIZE * 2]; struct page **save_pages; u32 len = buf->len - offset; @@ -625,10 +689,16 @@ gss_krb5_cts_crypt(struct crypto_blkcipher *cipher, struct xdr_buf *buf, sg_init_one(sg, data, len); + skcipher_request_set_tfm(req, cipher); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg, sg, len, iv); + if (encrypt) - ret = crypto_blkcipher_encrypt_iv(&desc, sg, sg, len); + ret = crypto_skcipher_encrypt(req); else - ret = crypto_blkcipher_decrypt_iv(&desc, sg, sg, len); + ret = crypto_skcipher_decrypt(req); + + skcipher_request_zero(req); if (ret) goto out; @@ -647,7 +717,7 @@ gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset, struct xdr_netobj hmac; u8 *cksumkey; u8 *ecptr; - struct crypto_blkcipher *cipher, *aux_cipher; + struct crypto_skcipher *cipher, *aux_cipher; int blocksize; struct page **save_pages; int nblocks, nbytes; @@ -666,7 +736,7 @@ gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset, cksumkey = kctx->acceptor_integ; usage = KG_USAGE_ACCEPTOR_SEAL; } - blocksize = crypto_blkcipher_blocksize(cipher); + blocksize = crypto_skcipher_blocksize(cipher); /* hide the gss token header and insert the confounder */ offset += GSS_KRB5_TOK_HDR_LEN; @@ -719,20 +789,24 @@ gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset, memset(desc.iv, 0, sizeof(desc.iv)); if (cbcbytes) { + SKCIPHER_REQUEST_ON_STACK(req, aux_cipher); + desc.pos = offset + GSS_KRB5_TOK_HDR_LEN; desc.fragno = 0; desc.fraglen = 0; desc.pages = pages; desc.outbuf = buf; - desc.desc.info = desc.iv; - desc.desc.flags = 0; - desc.desc.tfm = aux_cipher; + desc.req = req; + + skcipher_request_set_tfm(req, aux_cipher); + skcipher_request_set_callback(req, 0, NULL, NULL); sg_init_table(desc.infrags, 4); sg_init_table(desc.outfrags, 4); err = xdr_process_buf(buf, offset + GSS_KRB5_TOK_HDR_LEN, cbcbytes, encryptor, &desc); + skcipher_request_zero(req); if (err) goto out_err; } @@ -763,7 +837,7 @@ gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf, struct xdr_buf subbuf; u32 ret = 0; u8 *cksum_key; - struct crypto_blkcipher *cipher, *aux_cipher; + struct crypto_skcipher *cipher, *aux_cipher; struct xdr_netobj our_hmac_obj; u8 our_hmac[GSS_KRB5_MAX_CKSUM_LEN]; u8 pkt_hmac[GSS_KRB5_MAX_CKSUM_LEN]; @@ -782,7 +856,7 @@ gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf, cksum_key = kctx->initiator_integ; usage = KG_USAGE_INITIATOR_SEAL; } - blocksize = crypto_blkcipher_blocksize(cipher); + blocksize = crypto_skcipher_blocksize(cipher); /* create a segment skipping the header and leaving out the checksum */ @@ -799,15 +873,19 @@ gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf, memset(desc.iv, 0, sizeof(desc.iv)); if (cbcbytes) { + SKCIPHER_REQUEST_ON_STACK(req, aux_cipher); + desc.fragno = 0; desc.fraglen = 0; - desc.desc.info = desc.iv; - desc.desc.flags = 0; - desc.desc.tfm = aux_cipher; + desc.req = req; + + skcipher_request_set_tfm(req, aux_cipher); + skcipher_request_set_callback(req, 0, NULL, NULL); sg_init_table(desc.frags, 4); ret = xdr_process_buf(&subbuf, 0, cbcbytes, decryptor, &desc); + skcipher_request_zero(req); if (ret) goto out_err; } @@ -850,61 +928,62 @@ out_err: * Set the key of the given cipher. */ int -krb5_rc4_setup_seq_key(struct krb5_ctx *kctx, struct crypto_blkcipher *cipher, +krb5_rc4_setup_seq_key(struct krb5_ctx *kctx, struct crypto_skcipher *cipher, unsigned char *cksum) { - struct crypto_hash *hmac; - struct hash_desc desc; - struct scatterlist sg[1]; + struct crypto_shash *hmac; + struct shash_desc *desc; u8 Kseq[GSS_KRB5_MAX_KEYLEN]; u32 zeroconstant = 0; int err; dprintk("%s: entered\n", __func__); - hmac = crypto_alloc_hash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC); + hmac = crypto_alloc_shash(kctx->gk5e->cksum_name, 0, 0); if (IS_ERR(hmac)) { dprintk("%s: error %ld, allocating hash '%s'\n", __func__, PTR_ERR(hmac), kctx->gk5e->cksum_name); return PTR_ERR(hmac); } - desc.tfm = hmac; - desc.flags = 0; + desc = kmalloc(sizeof(*desc), GFP_KERNEL); + if (!desc) { + dprintk("%s: failed to allocate shash descriptor for '%s'\n", + __func__, kctx->gk5e->cksum_name); + crypto_free_shash(hmac); + return -ENOMEM; + } - err = crypto_hash_init(&desc); - if (err) - goto out_err; + desc->tfm = hmac; + desc->flags = 0; /* Compute intermediate Kseq from session key */ - err = crypto_hash_setkey(hmac, kctx->Ksess, kctx->gk5e->keylength); + err = crypto_shash_setkey(hmac, kctx->Ksess, kctx->gk5e->keylength); if (err) goto out_err; - sg_init_one(sg, &zeroconstant, 4); - err = crypto_hash_digest(&desc, sg, 4, Kseq); + err = crypto_shash_digest(desc, (u8 *)&zeroconstant, 4, Kseq); if (err) goto out_err; /* Compute final Kseq from the checksum and intermediate Kseq */ - err = crypto_hash_setkey(hmac, Kseq, kctx->gk5e->keylength); + err = crypto_shash_setkey(hmac, Kseq, kctx->gk5e->keylength); if (err) goto out_err; - sg_set_buf(sg, cksum, 8); - - err = crypto_hash_digest(&desc, sg, 8, Kseq); + err = crypto_shash_digest(desc, cksum, 8, Kseq); if (err) goto out_err; - err = crypto_blkcipher_setkey(cipher, Kseq, kctx->gk5e->keylength); + err = crypto_skcipher_setkey(cipher, Kseq, kctx->gk5e->keylength); if (err) goto out_err; err = 0; out_err: - crypto_free_hash(hmac); + kzfree(desc); + crypto_free_shash(hmac); dprintk("%s: returning %d\n", __func__, err); return err; } @@ -914,12 +993,11 @@ out_err: * Set the key of cipher kctx->enc. */ int -krb5_rc4_setup_enc_key(struct krb5_ctx *kctx, struct crypto_blkcipher *cipher, +krb5_rc4_setup_enc_key(struct krb5_ctx *kctx, struct crypto_skcipher *cipher, s32 seqnum) { - struct crypto_hash *hmac; - struct hash_desc desc; - struct scatterlist sg[1]; + struct crypto_shash *hmac; + struct shash_desc *desc; u8 Kcrypt[GSS_KRB5_MAX_KEYLEN]; u8 zeroconstant[4] = {0}; u8 seqnumarray[4]; @@ -927,35 +1005,38 @@ krb5_rc4_setup_enc_key(struct krb5_ctx *kctx, struct crypto_blkcipher *cipher, dprintk("%s: entered, seqnum %u\n", __func__, seqnum); - hmac = crypto_alloc_hash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC); + hmac = crypto_alloc_shash(kctx->gk5e->cksum_name, 0, 0); if (IS_ERR(hmac)) { dprintk("%s: error %ld, allocating hash '%s'\n", __func__, PTR_ERR(hmac), kctx->gk5e->cksum_name); return PTR_ERR(hmac); } - desc.tfm = hmac; - desc.flags = 0; + desc = kmalloc(sizeof(*desc), GFP_KERNEL); + if (!desc) { + dprintk("%s: failed to allocate shash descriptor for '%s'\n", + __func__, kctx->gk5e->cksum_name); + crypto_free_shash(hmac); + return -ENOMEM; + } - err = crypto_hash_init(&desc); - if (err) - goto out_err; + desc->tfm = hmac; + desc->flags = 0; /* Compute intermediate Kcrypt from session key */ for (i = 0; i < kctx->gk5e->keylength; i++) Kcrypt[i] = kctx->Ksess[i] ^ 0xf0; - err = crypto_hash_setkey(hmac, Kcrypt, kctx->gk5e->keylength); + err = crypto_shash_setkey(hmac, Kcrypt, kctx->gk5e->keylength); if (err) goto out_err; - sg_init_one(sg, zeroconstant, 4); - err = crypto_hash_digest(&desc, sg, 4, Kcrypt); + err = crypto_shash_digest(desc, zeroconstant, 4, Kcrypt); if (err) goto out_err; /* Compute final Kcrypt from the seqnum and intermediate Kcrypt */ - err = crypto_hash_setkey(hmac, Kcrypt, kctx->gk5e->keylength); + err = crypto_shash_setkey(hmac, Kcrypt, kctx->gk5e->keylength); if (err) goto out_err; @@ -964,20 +1045,19 @@ krb5_rc4_setup_enc_key(struct krb5_ctx *kctx, struct crypto_blkcipher *cipher, seqnumarray[2] = (unsigned char) ((seqnum >> 8) & 0xff); seqnumarray[3] = (unsigned char) ((seqnum >> 0) & 0xff); - sg_set_buf(sg, seqnumarray, 4); - - err = crypto_hash_digest(&desc, sg, 4, Kcrypt); + err = crypto_shash_digest(desc, seqnumarray, 4, Kcrypt); if (err) goto out_err; - err = crypto_blkcipher_setkey(cipher, Kcrypt, kctx->gk5e->keylength); + err = crypto_skcipher_setkey(cipher, Kcrypt, kctx->gk5e->keylength); if (err) goto out_err; err = 0; out_err: - crypto_free_hash(hmac); + kzfree(desc); + crypto_free_shash(hmac); dprintk("%s: returning %d\n", __func__, err); return err; } diff --git a/net/sunrpc/auth_gss/gss_krb5_keys.c b/net/sunrpc/auth_gss/gss_krb5_keys.c index 234fa8d..8701331 100644 --- a/net/sunrpc/auth_gss/gss_krb5_keys.c +++ b/net/sunrpc/auth_gss/gss_krb5_keys.c @@ -54,9 +54,9 @@ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ +#include <crypto/skcipher.h> #include <linux/err.h> #include <linux/types.h> -#include <linux/crypto.h> #include <linux/sunrpc/gss_krb5.h> #include <linux/sunrpc/xdr.h> #include <linux/lcm.h> @@ -147,7 +147,7 @@ u32 krb5_derive_key(const struct gss_krb5_enctype *gk5e, size_t blocksize, keybytes, keylength, n; unsigned char *inblockdata, *outblockdata, *rawkey; struct xdr_netobj inblock, outblock; - struct crypto_blkcipher *cipher; + struct crypto_skcipher *cipher; u32 ret = EINVAL; blocksize = gk5e->blocksize; @@ -157,11 +157,11 @@ u32 krb5_derive_key(const struct gss_krb5_enctype *gk5e, if ((inkey->len != keylength) || (outkey->len != keylength)) goto err_return; - cipher = crypto_alloc_blkcipher(gk5e->encrypt_name, 0, - CRYPTO_ALG_ASYNC); + cipher = crypto_alloc_skcipher(gk5e->encrypt_name, 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(cipher)) goto err_return; - if (crypto_blkcipher_setkey(cipher, inkey->data, inkey->len)) + if (crypto_skcipher_setkey(cipher, inkey->data, inkey->len)) goto err_return; /* allocate and set up buffers */ @@ -238,7 +238,7 @@ err_free_in: memset(inblockdata, 0, blocksize); kfree(inblockdata); err_free_cipher: - crypto_free_blkcipher(cipher); + crypto_free_skcipher(cipher); err_return: return ret; } diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c index 28db442..71341cc 100644 --- a/net/sunrpc/auth_gss/gss_krb5_mech.c +++ b/net/sunrpc/auth_gss/gss_krb5_mech.c @@ -34,6 +34,8 @@ * */ +#include <crypto/hash.h> +#include <crypto/skcipher.h> #include <linux/err.h> #include <linux/module.h> #include <linux/init.h> @@ -42,7 +44,6 @@ #include <linux/sunrpc/auth.h> #include <linux/sunrpc/gss_krb5.h> #include <linux/sunrpc/xdr.h> -#include <linux/crypto.h> #include <linux/sunrpc/gss_krb5_enctypes.h> #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) @@ -217,7 +218,7 @@ simple_get_netobj(const void *p, const void *end, struct xdr_netobj *res) static inline const void * get_key(const void *p, const void *end, - struct krb5_ctx *ctx, struct crypto_blkcipher **res) + struct krb5_ctx *ctx, struct crypto_skcipher **res) { struct xdr_netobj key; int alg; @@ -245,7 +246,7 @@ get_key(const void *p, const void *end, if (IS_ERR(p)) goto out_err; - *res = crypto_alloc_blkcipher(ctx->gk5e->encrypt_name, 0, + *res = crypto_alloc_skcipher(ctx->gk5e->encrypt_name, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(*res)) { printk(KERN_WARNING "gss_kerberos_mech: unable to initialize " @@ -253,7 +254,7 @@ get_key(const void *p, const void *end, *res = NULL; goto out_err_free_key; } - if (crypto_blkcipher_setkey(*res, key.data, key.len)) { + if (crypto_skcipher_setkey(*res, key.data, key.len)) { printk(KERN_WARNING "gss_kerberos_mech: error setting key for " "crypto algorithm %s\n", ctx->gk5e->encrypt_name); goto out_err_free_tfm; @@ -263,7 +264,7 @@ get_key(const void *p, const void *end, return p; out_err_free_tfm: - crypto_free_blkcipher(*res); + crypto_free_skcipher(*res); out_err_free_key: kfree(key.data); p = ERR_PTR(-EINVAL); @@ -335,30 +336,30 @@ gss_import_v1_context(const void *p, const void *end, struct krb5_ctx *ctx) return 0; out_err_free_key2: - crypto_free_blkcipher(ctx->seq); + crypto_free_skcipher(ctx->seq); out_err_free_key1: - crypto_free_blkcipher(ctx->enc); + crypto_free_skcipher(ctx->enc); out_err_free_mech: kfree(ctx->mech_used.data); out_err: return PTR_ERR(p); } -static struct crypto_blkcipher * +static struct crypto_skcipher * context_v2_alloc_cipher(struct krb5_ctx *ctx, const char *cname, u8 *key) { - struct crypto_blkcipher *cp; + struct crypto_skcipher *cp; - cp = crypto_alloc_blkcipher(cname, 0, CRYPTO_ALG_ASYNC); + cp = crypto_alloc_skcipher(cname, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(cp)) { dprintk("gss_kerberos_mech: unable to initialize " "crypto algorithm %s\n", cname); return NULL; } - if (crypto_blkcipher_setkey(cp, key, ctx->gk5e->keylength)) { + if (crypto_skcipher_setkey(cp, key, ctx->gk5e->keylength)) { dprintk("gss_kerberos_mech: error setting key for " "crypto algorithm %s\n", cname); - crypto_free_blkcipher(cp); + crypto_free_skcipher(cp); return NULL; } return cp; @@ -412,9 +413,9 @@ context_derive_keys_des3(struct krb5_ctx *ctx, gfp_t gfp_mask) return 0; out_free_enc: - crypto_free_blkcipher(ctx->enc); + crypto_free_skcipher(ctx->enc); out_free_seq: - crypto_free_blkcipher(ctx->seq); + crypto_free_skcipher(ctx->seq); out_err: return -EINVAL; } @@ -427,18 +428,17 @@ out_err: static int context_derive_keys_rc4(struct krb5_ctx *ctx) { - struct crypto_hash *hmac; + struct crypto_shash *hmac; char sigkeyconstant[] = "signaturekey"; int slen = strlen(sigkeyconstant) + 1; /* include null terminator */ - struct hash_desc desc; - struct scatterlist sg[1]; + struct shash_desc *desc; int err; dprintk("RPC: %s: entered\n", __func__); /* * derive cksum (aka Ksign) key */ - hmac = crypto_alloc_hash(ctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC); + hmac = crypto_alloc_shash(ctx->gk5e->cksum_name, 0, 0); if (IS_ERR(hmac)) { dprintk("%s: error %ld allocating hash '%s'\n", __func__, PTR_ERR(hmac), ctx->gk5e->cksum_name); @@ -446,37 +446,40 @@ context_derive_keys_rc4(struct krb5_ctx *ctx) goto out_err; } - err = crypto_hash_setkey(hmac, ctx->Ksess, ctx->gk5e->keylength); + err = crypto_shash_setkey(hmac, ctx->Ksess, ctx->gk5e->keylength); if (err) goto out_err_free_hmac; - sg_init_table(sg, 1); - sg_set_buf(sg, sigkeyconstant, slen); - desc.tfm = hmac; - desc.flags = 0; - - err = crypto_hash_init(&desc); - if (err) + desc = kmalloc(sizeof(*desc), GFP_KERNEL); + if (!desc) { + dprintk("%s: failed to allocate hash descriptor for '%s'\n", + __func__, ctx->gk5e->cksum_name); + err = -ENOMEM; goto out_err_free_hmac; + } + + desc->tfm = hmac; + desc->flags = 0; - err = crypto_hash_digest(&desc, sg, slen, ctx->cksum); + err = crypto_shash_digest(desc, sigkeyconstant, slen, ctx->cksum); + kzfree(desc); if (err) goto out_err_free_hmac; /* - * allocate hash, and blkciphers for data and seqnum encryption + * allocate hash, and skciphers for data and seqnum encryption */ - ctx->enc = crypto_alloc_blkcipher(ctx->gk5e->encrypt_name, 0, - CRYPTO_ALG_ASYNC); + ctx->enc = crypto_alloc_skcipher(ctx->gk5e->encrypt_name, 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(ctx->enc)) { err = PTR_ERR(ctx->enc); goto out_err_free_hmac; } - ctx->seq = crypto_alloc_blkcipher(ctx->gk5e->encrypt_name, 0, - CRYPTO_ALG_ASYNC); + ctx->seq = crypto_alloc_skcipher(ctx->gk5e->encrypt_name, 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(ctx->seq)) { - crypto_free_blkcipher(ctx->enc); + crypto_free_skcipher(ctx->enc); err = PTR_ERR(ctx->seq); goto out_err_free_hmac; } @@ -486,7 +489,7 @@ context_derive_keys_rc4(struct krb5_ctx *ctx) err = 0; out_err_free_hmac: - crypto_free_hash(hmac); + crypto_free_shash(hmac); out_err: dprintk("RPC: %s: returning %d\n", __func__, err); return err; @@ -588,7 +591,7 @@ context_derive_keys_new(struct krb5_ctx *ctx, gfp_t gfp_mask) context_v2_alloc_cipher(ctx, "cbc(aes)", ctx->acceptor_seal); if (ctx->acceptor_enc_aux == NULL) { - crypto_free_blkcipher(ctx->initiator_enc_aux); + crypto_free_skcipher(ctx->initiator_enc_aux); goto out_free_acceptor_enc; } } @@ -596,9 +599,9 @@ context_derive_keys_new(struct krb5_ctx *ctx, gfp_t gfp_mask) return 0; out_free_acceptor_enc: - crypto_free_blkcipher(ctx->acceptor_enc); + crypto_free_skcipher(ctx->acceptor_enc); out_free_initiator_enc: - crypto_free_blkcipher(ctx->initiator_enc); + crypto_free_skcipher(ctx->initiator_enc); out_err: return -EINVAL; } @@ -710,12 +713,12 @@ static void gss_delete_sec_context_kerberos(void *internal_ctx) { struct krb5_ctx *kctx = internal_ctx; - crypto_free_blkcipher(kctx->seq); - crypto_free_blkcipher(kctx->enc); - crypto_free_blkcipher(kctx->acceptor_enc); - crypto_free_blkcipher(kctx->initiator_enc); - crypto_free_blkcipher(kctx->acceptor_enc_aux); - crypto_free_blkcipher(kctx->initiator_enc_aux); + crypto_free_skcipher(kctx->seq); + crypto_free_skcipher(kctx->enc); + crypto_free_skcipher(kctx->acceptor_enc); + crypto_free_skcipher(kctx->initiator_enc); + crypto_free_skcipher(kctx->acceptor_enc_aux); + crypto_free_skcipher(kctx->initiator_enc_aux); kfree(kctx->mech_used.data); kfree(kctx); } diff --git a/net/sunrpc/auth_gss/gss_krb5_seqnum.c b/net/sunrpc/auth_gss/gss_krb5_seqnum.c index 20d55c7..c8b9082 100644 --- a/net/sunrpc/auth_gss/gss_krb5_seqnum.c +++ b/net/sunrpc/auth_gss/gss_krb5_seqnum.c @@ -31,9 +31,9 @@ * PERFORMANCE OF THIS SOFTWARE. */ +#include <crypto/skcipher.h> #include <linux/types.h> #include <linux/sunrpc/gss_krb5.h> -#include <linux/crypto.h> #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) # define RPCDBG_FACILITY RPCDBG_AUTH @@ -43,13 +43,13 @@ static s32 krb5_make_rc4_seq_num(struct krb5_ctx *kctx, int direction, s32 seqnum, unsigned char *cksum, unsigned char *buf) { - struct crypto_blkcipher *cipher; + struct crypto_skcipher *cipher; unsigned char plain[8]; s32 code; dprintk("RPC: %s:\n", __func__); - cipher = crypto_alloc_blkcipher(kctx->gk5e->encrypt_name, 0, - CRYPTO_ALG_ASYNC); + cipher = crypto_alloc_skcipher(kctx->gk5e->encrypt_name, 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(cipher)) return PTR_ERR(cipher); @@ -68,12 +68,12 @@ krb5_make_rc4_seq_num(struct krb5_ctx *kctx, int direction, s32 seqnum, code = krb5_encrypt(cipher, cksum, plain, buf, 8); out: - crypto_free_blkcipher(cipher); + crypto_free_skcipher(cipher); return code; } s32 krb5_make_seq_num(struct krb5_ctx *kctx, - struct crypto_blkcipher *key, + struct crypto_skcipher *key, int direction, u32 seqnum, unsigned char *cksum, unsigned char *buf) @@ -101,13 +101,13 @@ static s32 krb5_get_rc4_seq_num(struct krb5_ctx *kctx, unsigned char *cksum, unsigned char *buf, int *direction, s32 *seqnum) { - struct crypto_blkcipher *cipher; + struct crypto_skcipher *cipher; unsigned char plain[8]; s32 code; dprintk("RPC: %s:\n", __func__); - cipher = crypto_alloc_blkcipher(kctx->gk5e->encrypt_name, 0, - CRYPTO_ALG_ASYNC); + cipher = crypto_alloc_skcipher(kctx->gk5e->encrypt_name, 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(cipher)) return PTR_ERR(cipher); @@ -130,7 +130,7 @@ krb5_get_rc4_seq_num(struct krb5_ctx *kctx, unsigned char *cksum, *seqnum = ((plain[0] << 24) | (plain[1] << 16) | (plain[2] << 8) | (plain[3])); out: - crypto_free_blkcipher(cipher); + crypto_free_skcipher(cipher); return code; } @@ -142,7 +142,7 @@ krb5_get_seq_num(struct krb5_ctx *kctx, { s32 code; unsigned char plain[8]; - struct crypto_blkcipher *key = kctx->seq; + struct crypto_skcipher *key = kctx->seq; dprintk("RPC: krb5_get_seq_num:\n"); diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c index ca7e92a..765088e4 100644 --- a/net/sunrpc/auth_gss/gss_krb5_wrap.c +++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c @@ -28,12 +28,12 @@ * SUCH DAMAGES. */ +#include <crypto/skcipher.h> #include <linux/types.h> #include <linux/jiffies.h> #include <linux/sunrpc/gss_krb5.h> #include <linux/random.h> #include <linux/pagemap.h> -#include <linux/crypto.h> #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) # define RPCDBG_FACILITY RPCDBG_AUTH @@ -174,7 +174,7 @@ gss_wrap_kerberos_v1(struct krb5_ctx *kctx, int offset, now = get_seconds(); - blocksize = crypto_blkcipher_blocksize(kctx->enc); + blocksize = crypto_skcipher_blocksize(kctx->enc); gss_krb5_add_padding(buf, offset, blocksize); BUG_ON((buf->len - offset) % blocksize); plainlen = conflen + buf->len - offset; @@ -239,10 +239,10 @@ gss_wrap_kerberos_v1(struct krb5_ctx *kctx, int offset, return GSS_S_FAILURE; if (kctx->enctype == ENCTYPE_ARCFOUR_HMAC) { - struct crypto_blkcipher *cipher; + struct crypto_skcipher *cipher; int err; - cipher = crypto_alloc_blkcipher(kctx->gk5e->encrypt_name, 0, - CRYPTO_ALG_ASYNC); + cipher = crypto_alloc_skcipher(kctx->gk5e->encrypt_name, 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(cipher)) return GSS_S_FAILURE; @@ -250,7 +250,7 @@ gss_wrap_kerberos_v1(struct krb5_ctx *kctx, int offset, err = gss_encrypt_xdr_buf(cipher, buf, offset + headlen - conflen, pages); - crypto_free_blkcipher(cipher); + crypto_free_skcipher(cipher); if (err) return GSS_S_FAILURE; } else { @@ -327,18 +327,18 @@ gss_unwrap_kerberos_v1(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf) return GSS_S_BAD_SIG; if (kctx->enctype == ENCTYPE_ARCFOUR_HMAC) { - struct crypto_blkcipher *cipher; + struct crypto_skcipher *cipher; int err; - cipher = crypto_alloc_blkcipher(kctx->gk5e->encrypt_name, 0, - CRYPTO_ALG_ASYNC); + cipher = crypto_alloc_skcipher(kctx->gk5e->encrypt_name, 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(cipher)) return GSS_S_FAILURE; krb5_rc4_setup_enc_key(kctx, cipher, seqnum); err = gss_decrypt_xdr_buf(cipher, buf, crypt_offset); - crypto_free_blkcipher(cipher); + crypto_free_skcipher(cipher); if (err) return GSS_S_DEFECTIVE_TOKEN; } else { @@ -371,7 +371,7 @@ gss_unwrap_kerberos_v1(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf) /* Copy the data back to the right position. XXX: Would probably be * better to copy and encrypt at the same time. */ - blocksize = crypto_blkcipher_blocksize(kctx->enc); + blocksize = crypto_skcipher_blocksize(kctx->enc); data_start = ptr + (GSS_KRB5_TOK_HDR_LEN + kctx->gk5e->cksumlength) + conflen; orig_start = buf->head[0].iov_base + offset; @@ -473,7 +473,7 @@ gss_wrap_kerberos_v2(struct krb5_ctx *kctx, u32 offset, *ptr++ = 0xff; be16ptr = (__be16 *)ptr; - blocksize = crypto_blkcipher_blocksize(kctx->acceptor_enc); + blocksize = crypto_skcipher_blocksize(kctx->acceptor_enc); *be16ptr++ = 0; /* "inner" token header always uses 0 for RRC */ *be16ptr++ = 0; diff --git a/net/wireless/lib80211_crypt_tkip.c b/net/wireless/lib80211_crypt_tkip.c index 3cd8195..71447cf 100644 --- a/net/wireless/lib80211_crypt_tkip.c +++ b/net/wireless/lib80211_crypt_tkip.c @@ -29,7 +29,8 @@ #include <linux/ieee80211.h> #include <net/iw_handler.h> -#include <linux/crypto.h> +#include <crypto/hash.h> +#include <crypto/skcipher.h> #include <linux/crc32.h> #include <net/lib80211.h> @@ -63,10 +64,10 @@ struct lib80211_tkip_data { int key_idx; - struct crypto_blkcipher *rx_tfm_arc4; - struct crypto_hash *rx_tfm_michael; - struct crypto_blkcipher *tx_tfm_arc4; - struct crypto_hash *tx_tfm_michael; + struct crypto_skcipher *rx_tfm_arc4; + struct crypto_ahash *rx_tfm_michael; + struct crypto_skcipher *tx_tfm_arc4; + struct crypto_ahash *tx_tfm_michael; /* scratch buffers for virt_to_page() (crypto API) */ u8 rx_hdr[16], tx_hdr[16]; @@ -98,29 +99,29 @@ static void *lib80211_tkip_init(int key_idx) priv->key_idx = key_idx; - priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, - CRYPTO_ALG_ASYNC); + priv->tx_tfm_arc4 = crypto_alloc_skcipher("ecb(arc4)", 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm_arc4)) { priv->tx_tfm_arc4 = NULL; goto fail; } - priv->tx_tfm_michael = crypto_alloc_hash("michael_mic", 0, - CRYPTO_ALG_ASYNC); + priv->tx_tfm_michael = crypto_alloc_ahash("michael_mic", 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm_michael)) { priv->tx_tfm_michael = NULL; goto fail; } - priv->rx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, - CRYPTO_ALG_ASYNC); + priv->rx_tfm_arc4 = crypto_alloc_skcipher("ecb(arc4)", 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm_arc4)) { priv->rx_tfm_arc4 = NULL; goto fail; } - priv->rx_tfm_michael = crypto_alloc_hash("michael_mic", 0, - CRYPTO_ALG_ASYNC); + priv->rx_tfm_michael = crypto_alloc_ahash("michael_mic", 0, + CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm_michael)) { priv->rx_tfm_michael = NULL; goto fail; @@ -130,14 +131,10 @@ static void *lib80211_tkip_init(int key_idx) fail: if (priv) { - if (priv->tx_tfm_michael) - crypto_free_hash(priv->tx_tfm_michael); - if (priv->tx_tfm_arc4) - crypto_free_blkcipher(priv->tx_tfm_arc4); - if (priv->rx_tfm_michael) - crypto_free_hash(priv->rx_tfm_michael); - if (priv->rx_tfm_arc4) - crypto_free_blkcipher(priv->rx_tfm_arc4); + crypto_free_ahash(priv->tx_tfm_michael); + crypto_free_skcipher(priv->tx_tfm_arc4); + crypto_free_ahash(priv->rx_tfm_michael); + crypto_free_skcipher(priv->rx_tfm_arc4); kfree(priv); } @@ -148,14 +145,10 @@ static void lib80211_tkip_deinit(void *priv) { struct lib80211_tkip_data *_priv = priv; if (_priv) { - if (_priv->tx_tfm_michael) - crypto_free_hash(_priv->tx_tfm_michael); - if (_priv->tx_tfm_arc4) - crypto_free_blkcipher(_priv->tx_tfm_arc4); - if (_priv->rx_tfm_michael) - crypto_free_hash(_priv->rx_tfm_michael); - if (_priv->rx_tfm_arc4) - crypto_free_blkcipher(_priv->rx_tfm_arc4); + crypto_free_ahash(_priv->tx_tfm_michael); + crypto_free_skcipher(_priv->tx_tfm_arc4); + crypto_free_ahash(_priv->rx_tfm_michael); + crypto_free_skcipher(_priv->rx_tfm_arc4); } kfree(priv); } @@ -353,11 +346,12 @@ static int lib80211_tkip_hdr(struct sk_buff *skb, int hdr_len, static int lib80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) { struct lib80211_tkip_data *tkey = priv; - struct blkcipher_desc desc = { .tfm = tkey->tx_tfm_arc4 }; + SKCIPHER_REQUEST_ON_STACK(req, tkey->tx_tfm_arc4); int len; u8 rc4key[16], *pos, *icv; u32 crc; struct scatterlist sg; + int err; if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; @@ -382,9 +376,14 @@ static int lib80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) icv[2] = crc >> 16; icv[3] = crc >> 24; - crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16); + crypto_skcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16); sg_init_one(&sg, pos, len + 4); - return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4); + skcipher_request_set_tfm(req, tkey->tx_tfm_arc4); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, len + 4, NULL); + err = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); + return err; } /* @@ -403,7 +402,7 @@ static inline int tkip_replay_check(u32 iv32_n, u16 iv16_n, static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) { struct lib80211_tkip_data *tkey = priv; - struct blkcipher_desc desc = { .tfm = tkey->rx_tfm_arc4 }; + SKCIPHER_REQUEST_ON_STACK(req, tkey->rx_tfm_arc4); u8 rc4key[16]; u8 keyidx, *pos; u32 iv32; @@ -413,6 +412,7 @@ static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) u32 crc; struct scatterlist sg; int plen; + int err; hdr = (struct ieee80211_hdr *)skb->data; @@ -465,9 +465,14 @@ static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) plen = skb->len - hdr_len - 12; - crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16); + crypto_skcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16); sg_init_one(&sg, pos, plen + 4); - if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) { + skcipher_request_set_tfm(req, tkey->rx_tfm_arc4); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, plen + 4, NULL); + err = crypto_skcipher_decrypt(req); + skcipher_request_zero(req); + if (err) { net_dbg_ratelimited("TKIP: failed to decrypt received packet from %pM\n", hdr->addr2); return -7; @@ -505,11 +510,12 @@ static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) return keyidx; } -static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr, +static int michael_mic(struct crypto_ahash *tfm_michael, u8 * key, u8 * hdr, u8 * data, size_t data_len, u8 * mic) { - struct hash_desc desc; + AHASH_REQUEST_ON_STACK(req, tfm_michael); struct scatterlist sg[2]; + int err; if (tfm_michael == NULL) { pr_warn("%s(): tfm_michael == NULL\n", __func__); @@ -519,12 +525,15 @@ static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr, sg_set_buf(&sg[0], hdr, 16); sg_set_buf(&sg[1], data, data_len); - if (crypto_hash_setkey(tfm_michael, key, 8)) + if (crypto_ahash_setkey(tfm_michael, key, 8)) return -1; - desc.tfm = tfm_michael; - desc.flags = 0; - return crypto_hash_digest(&desc, sg, data_len + 16, mic); + ahash_request_set_tfm(req, tfm_michael); + ahash_request_set_callback(req, 0, NULL, NULL); + ahash_request_set_crypt(req, sg, mic, data_len + 16); + err = crypto_ahash_digest(req); + ahash_request_zero(req); + return err; } static void michael_mic_hdr(struct sk_buff *skb, u8 * hdr) @@ -645,10 +654,10 @@ static int lib80211_tkip_set_key(void *key, int len, u8 * seq, void *priv) { struct lib80211_tkip_data *tkey = priv; int keyidx; - struct crypto_hash *tfm = tkey->tx_tfm_michael; - struct crypto_blkcipher *tfm2 = tkey->tx_tfm_arc4; - struct crypto_hash *tfm3 = tkey->rx_tfm_michael; - struct crypto_blkcipher *tfm4 = tkey->rx_tfm_arc4; + struct crypto_ahash *tfm = tkey->tx_tfm_michael; + struct crypto_skcipher *tfm2 = tkey->tx_tfm_arc4; + struct crypto_ahash *tfm3 = tkey->rx_tfm_michael; + struct crypto_skcipher *tfm4 = tkey->rx_tfm_arc4; keyidx = tkey->key_idx; memset(tkey, 0, sizeof(*tkey)); diff --git a/net/wireless/lib80211_crypt_wep.c b/net/wireless/lib80211_crypt_wep.c index 1c292e4..d05f58b 100644 --- a/net/wireless/lib80211_crypt_wep.c +++ b/net/wireless/lib80211_crypt_wep.c @@ -22,7 +22,7 @@ #include <net/lib80211.h> -#include <linux/crypto.h> +#include <crypto/skcipher.h> #include <linux/crc32.h> MODULE_AUTHOR("Jouni Malinen"); @@ -35,8 +35,8 @@ struct lib80211_wep_data { u8 key[WEP_KEY_LEN + 1]; u8 key_len; u8 key_idx; - struct crypto_blkcipher *tx_tfm; - struct crypto_blkcipher *rx_tfm; + struct crypto_skcipher *tx_tfm; + struct crypto_skcipher *rx_tfm; }; static void *lib80211_wep_init(int keyidx) @@ -48,13 +48,13 @@ static void *lib80211_wep_init(int keyidx) goto fail; priv->key_idx = keyidx; - priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + priv->tx_tfm = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm)) { priv->tx_tfm = NULL; goto fail; } - priv->rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + priv->rx_tfm = crypto_alloc_skcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm)) { priv->rx_tfm = NULL; goto fail; @@ -66,10 +66,8 @@ static void *lib80211_wep_init(int keyidx) fail: if (priv) { - if (priv->tx_tfm) - crypto_free_blkcipher(priv->tx_tfm); - if (priv->rx_tfm) - crypto_free_blkcipher(priv->rx_tfm); + crypto_free_skcipher(priv->tx_tfm); + crypto_free_skcipher(priv->rx_tfm); kfree(priv); } return NULL; @@ -79,10 +77,8 @@ static void lib80211_wep_deinit(void *priv) { struct lib80211_wep_data *_priv = priv; if (_priv) { - if (_priv->tx_tfm) - crypto_free_blkcipher(_priv->tx_tfm); - if (_priv->rx_tfm) - crypto_free_blkcipher(_priv->rx_tfm); + crypto_free_skcipher(_priv->tx_tfm); + crypto_free_skcipher(_priv->rx_tfm); } kfree(priv); } @@ -133,11 +129,12 @@ static int lib80211_wep_build_iv(struct sk_buff *skb, int hdr_len, static int lib80211_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) { struct lib80211_wep_data *wep = priv; - struct blkcipher_desc desc = { .tfm = wep->tx_tfm }; + SKCIPHER_REQUEST_ON_STACK(req, wep->tx_tfm); u32 crc, klen, len; u8 *pos, *icv; struct scatterlist sg; u8 key[WEP_KEY_LEN + 3]; + int err; /* other checks are in lib80211_wep_build_iv */ if (skb_tailroom(skb) < 4) @@ -165,9 +162,14 @@ static int lib80211_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) icv[2] = crc >> 16; icv[3] = crc >> 24; - crypto_blkcipher_setkey(wep->tx_tfm, key, klen); + crypto_skcipher_setkey(wep->tx_tfm, key, klen); sg_init_one(&sg, pos, len + 4); - return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4); + skcipher_request_set_tfm(req, wep->tx_tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, len + 4, NULL); + err = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); + return err; } /* Perform WEP decryption on given buffer. Buffer includes whole WEP part of @@ -180,11 +182,12 @@ static int lib80211_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) static int lib80211_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) { struct lib80211_wep_data *wep = priv; - struct blkcipher_desc desc = { .tfm = wep->rx_tfm }; + SKCIPHER_REQUEST_ON_STACK(req, wep->rx_tfm); u32 crc, klen, plen; u8 key[WEP_KEY_LEN + 3]; u8 keyidx, *pos, icv[4]; struct scatterlist sg; + int err; if (skb->len < hdr_len + 8) return -1; @@ -205,9 +208,14 @@ static int lib80211_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) /* Apply RC4 to data and compute CRC32 over decrypted data */ plen = skb->len - hdr_len - 8; - crypto_blkcipher_setkey(wep->rx_tfm, key, klen); + crypto_skcipher_setkey(wep->rx_tfm, key, klen); sg_init_one(&sg, pos, plen + 4); - if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) + skcipher_request_set_tfm(req, wep->rx_tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &sg, &sg, plen + 4, NULL); + err = crypto_skcipher_decrypt(req); + skcipher_request_zero(req); + if (err) return -7; crc = ~crc32_le(~0, pos, plen); diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c index f07224d..250e567 100644 --- a/net/xfrm/xfrm_algo.c +++ b/net/xfrm/xfrm_algo.c @@ -9,6 +9,8 @@ * any later version. */ +#include <crypto/hash.h> +#include <crypto/skcipher.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/pfkeyv2.h> @@ -782,14 +784,13 @@ void xfrm_probe_algs(void) BUG_ON(in_softirq()); for (i = 0; i < aalg_entries(); i++) { - status = crypto_has_hash(aalg_list[i].name, 0, - CRYPTO_ALG_ASYNC); + status = crypto_has_ahash(aalg_list[i].name, 0, 0); if (aalg_list[i].available != status) aalg_list[i].available = status; } for (i = 0; i < ealg_entries(); i++) { - status = crypto_has_ablkcipher(ealg_list[i].name, 0, 0); + status = crypto_has_skcipher(ealg_list[i].name, 0, 0); if (ealg_list[i].available != status) ealg_list[i].available = status; } diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c index 696ccfa..5adbfc3 100644 --- a/security/keys/encrypted-keys/encrypted.c +++ b/security/keys/encrypted-keys/encrypted.c @@ -28,11 +28,10 @@ #include <linux/random.h> #include <linux/rcupdate.h> #include <linux/scatterlist.h> -#include <linux/crypto.h> #include <linux/ctype.h> #include <crypto/hash.h> #include <crypto/sha.h> -#include <crypto/aes.h> +#include <crypto/skcipher.h> #include "encrypted.h" #include "ecryptfs_format.h" @@ -85,17 +84,17 @@ static const match_table_t key_tokens = { static int aes_get_sizes(void) { - struct crypto_blkcipher *tfm; + struct crypto_skcipher *tfm; - tfm = crypto_alloc_blkcipher(blkcipher_alg, 0, CRYPTO_ALG_ASYNC); + tfm = crypto_alloc_skcipher(blkcipher_alg, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) { pr_err("encrypted_key: failed to alloc_cipher (%ld)\n", PTR_ERR(tfm)); return PTR_ERR(tfm); } - ivsize = crypto_blkcipher_ivsize(tfm); - blksize = crypto_blkcipher_blocksize(tfm); - crypto_free_blkcipher(tfm); + ivsize = crypto_skcipher_ivsize(tfm); + blksize = crypto_skcipher_blocksize(tfm); + crypto_free_skcipher(tfm); return 0; } @@ -401,28 +400,37 @@ static int get_derived_key(u8 *derived_key, enum derived_key_type key_type, return ret; } -static int init_blkcipher_desc(struct blkcipher_desc *desc, const u8 *key, - unsigned int key_len, const u8 *iv, - unsigned int ivsize) +static struct skcipher_request *init_skcipher_req(const u8 *key, + unsigned int key_len) { + struct skcipher_request *req; + struct crypto_skcipher *tfm; int ret; - desc->tfm = crypto_alloc_blkcipher(blkcipher_alg, 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(desc->tfm)) { + tfm = crypto_alloc_skcipher(blkcipher_alg, 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(tfm)) { pr_err("encrypted_key: failed to load %s transform (%ld)\n", - blkcipher_alg, PTR_ERR(desc->tfm)); - return PTR_ERR(desc->tfm); + blkcipher_alg, PTR_ERR(tfm)); + return ERR_CAST(tfm); } - desc->flags = 0; - ret = crypto_blkcipher_setkey(desc->tfm, key, key_len); + ret = crypto_skcipher_setkey(tfm, key, key_len); if (ret < 0) { pr_err("encrypted_key: failed to setkey (%d)\n", ret); - crypto_free_blkcipher(desc->tfm); - return ret; + crypto_free_skcipher(tfm); + return ERR_PTR(ret); } - crypto_blkcipher_set_iv(desc->tfm, iv, ivsize); - return 0; + + req = skcipher_request_alloc(tfm, GFP_KERNEL); + if (!req) { + pr_err("encrypted_key: failed to allocate request for %s\n", + blkcipher_alg); + crypto_free_skcipher(tfm); + return ERR_PTR(-ENOMEM); + } + + skcipher_request_set_callback(req, 0, NULL, NULL); + return req; } static struct key *request_master_key(struct encrypted_key_payload *epayload, @@ -467,7 +475,8 @@ static int derived_key_encrypt(struct encrypted_key_payload *epayload, { struct scatterlist sg_in[2]; struct scatterlist sg_out[1]; - struct blkcipher_desc desc; + struct crypto_skcipher *tfm; + struct skcipher_request *req; unsigned int encrypted_datalen; unsigned int padlen; char pad[16]; @@ -476,9 +485,9 @@ static int derived_key_encrypt(struct encrypted_key_payload *epayload, encrypted_datalen = roundup(epayload->decrypted_datalen, blksize); padlen = encrypted_datalen - epayload->decrypted_datalen; - ret = init_blkcipher_desc(&desc, derived_key, derived_keylen, - epayload->iv, ivsize); - if (ret < 0) + req = init_skcipher_req(derived_key, derived_keylen); + ret = PTR_ERR(req); + if (IS_ERR(req)) goto out; dump_decrypted_data(epayload); @@ -491,8 +500,12 @@ static int derived_key_encrypt(struct encrypted_key_payload *epayload, sg_init_table(sg_out, 1); sg_set_buf(sg_out, epayload->encrypted_data, encrypted_datalen); - ret = crypto_blkcipher_encrypt(&desc, sg_out, sg_in, encrypted_datalen); - crypto_free_blkcipher(desc.tfm); + skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen, + epayload->iv); + ret = crypto_skcipher_encrypt(req); + tfm = crypto_skcipher_reqtfm(req); + skcipher_request_free(req); + crypto_free_skcipher(tfm); if (ret < 0) pr_err("encrypted_key: failed to encrypt (%d)\n", ret); else @@ -565,15 +578,16 @@ static int derived_key_decrypt(struct encrypted_key_payload *epayload, { struct scatterlist sg_in[1]; struct scatterlist sg_out[2]; - struct blkcipher_desc desc; + struct crypto_skcipher *tfm; + struct skcipher_request *req; unsigned int encrypted_datalen; char pad[16]; int ret; encrypted_datalen = roundup(epayload->decrypted_datalen, blksize); - ret = init_blkcipher_desc(&desc, derived_key, derived_keylen, - epayload->iv, ivsize); - if (ret < 0) + req = init_skcipher_req(derived_key, derived_keylen); + ret = PTR_ERR(req); + if (IS_ERR(req)) goto out; dump_encrypted_data(epayload, encrypted_datalen); @@ -585,8 +599,12 @@ static int derived_key_decrypt(struct encrypted_key_payload *epayload, epayload->decrypted_datalen); sg_set_buf(&sg_out[1], pad, sizeof pad); - ret = crypto_blkcipher_decrypt(&desc, sg_out, sg_in, encrypted_datalen); - crypto_free_blkcipher(desc.tfm); + skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen, + epayload->iv); + ret = crypto_skcipher_decrypt(req); + tfm = crypto_skcipher_reqtfm(req); + skcipher_request_free(req); + crypto_free_skcipher(tfm); if (ret < 0) goto out; dump_decrypted_data(epayload); |
