diff options
author | Luiz Otavio O Souza <luiz@netgate.com> | 2016-05-11 13:12:22 -0500 |
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committer | Luiz Otavio O Souza <luiz@netgate.com> | 2016-05-11 17:02:15 -0500 |
commit | 271bb86c6bc2052797fce3ea16d42b3a60ec388c (patch) | |
tree | 73aaad02ae8ad62bd5e27fec3dba8359d7d6a658 | |
parent | 25996276a907484d8fc26a6a9a79827367bfcfc0 (diff) | |
download | FreeBSD-src-271bb86c6bc2052797fce3ea16d42b3a60ec388c.zip FreeBSD-src-271bb86c6bc2052797fce3ea16d42b3a60ec388c.tar.gz |
MFC r292963:
Break up opencrypto/xform.c so it can be reused piecemeal
Keep xform.c as a meta-file including the broken out bits
existing code that includes xform.c continues to work as normal
Individual algorithms can now be reused elsewhere, including outside
of the kernel
Reviewed by: bapt (previous version), gnn, delphij
Approved by: secteam
MFC after: 1 week
Sponsored by: ScaleEngine Inc.
Differential Revision: https://reviews.freebsd.org/D4674
TAG: IPSEC-HEAD
-rw-r--r-- | sys/crypto/sha1.h | 2 | ||||
-rw-r--r-- | sys/opencrypto/skipjack.h | 5 | ||||
-rw-r--r-- | sys/opencrypto/xform.c | 910 | ||||
-rw-r--r-- | sys/opencrypto/xform.h | 80 | ||||
-rw-r--r-- | sys/opencrypto/xform_aes_icm.c | 152 | ||||
-rw-r--r-- | sys/opencrypto/xform_aes_xts.c | 164 | ||||
-rw-r--r-- | sys/opencrypto/xform_auth.h | 87 | ||||
-rw-r--r-- | sys/opencrypto/xform_blf.c | 127 | ||||
-rw-r--r-- | sys/opencrypto/xform_cast5.c | 107 | ||||
-rw-r--r-- | sys/opencrypto/xform_cml.c | 113 | ||||
-rw-r--r-- | sys/opencrypto/xform_comp.h | 52 | ||||
-rw-r--r-- | sys/opencrypto/xform_deflate.c | 86 | ||||
-rw-r--r-- | sys/opencrypto/xform_des1.c | 116 | ||||
-rw-r--r-- | sys/opencrypto/xform_des3.c | 119 | ||||
-rw-r--r-- | sys/opencrypto/xform_enc.h | 92 | ||||
-rw-r--r-- | sys/opencrypto/xform_gmac.c | 99 | ||||
-rw-r--r-- | sys/opencrypto/xform_md5.c | 81 | ||||
-rw-r--r-- | sys/opencrypto/xform_null.c | 136 | ||||
-rw-r--r-- | sys/opencrypto/xform_rijndael.c | 113 | ||||
-rw-r--r-- | sys/opencrypto/xform_rmd160.c | 75 | ||||
-rw-r--r-- | sys/opencrypto/xform_sha1.c | 93 | ||||
-rw-r--r-- | sys/opencrypto/xform_sha2.c | 107 | ||||
-rw-r--r-- | sys/opencrypto/xform_skipjack.c | 117 | ||||
-rw-r--r-- | sys/opencrypto/xform_userland.h | 48 |
24 files changed, 2112 insertions, 969 deletions
diff --git a/sys/crypto/sha1.h b/sys/crypto/sha1.h index 3686d7d..d32aa8a 100644 --- a/sys/crypto/sha1.h +++ b/sys/crypto/sha1.h @@ -53,6 +53,7 @@ struct sha1_ctxt { } m; u_int8_t count; }; +typedef struct sha1_ctxt SHA1_CTX; #ifdef _KERNEL extern void sha1_init(struct sha1_ctxt *); @@ -61,7 +62,6 @@ extern void sha1_loop(struct sha1_ctxt *, const u_int8_t *, size_t); extern void sha1_result(struct sha1_ctxt *, caddr_t); /* compatibilty with other SHA1 source codes */ -typedef struct sha1_ctxt SHA1_CTX; #define SHA1Init(x) sha1_init((x)) #define SHA1Update(x, y, z) sha1_loop((x), (y), (z)) #define SHA1Final(x, y) sha1_result((y), (x)) diff --git a/sys/opencrypto/skipjack.h b/sys/opencrypto/skipjack.h index 3e88418..80367ea 100644 --- a/sys/opencrypto/skipjack.h +++ b/sys/opencrypto/skipjack.h @@ -14,6 +14,11 @@ * 29 May 1998 */ +#ifndef _SKIPJACK_H_ +#define _SKIPJACK_H_ + extern void skipjack_forwards(u_int8_t *plain, u_int8_t *cipher, u_int8_t **key); extern void skipjack_backwards(u_int8_t *cipher, u_int8_t *plain, u_int8_t **key); extern void subkey_table_gen(u_int8_t *key, u_int8_t **key_tables); + +#endif diff --git a/sys/opencrypto/xform.c b/sys/opencrypto/xform.c index 3dee366..ee9f0b6 100644 --- a/sys/opencrypto/xform.c +++ b/sys/opencrypto/xform.c @@ -75,196 +75,9 @@ __FBSDID("$FreeBSD$"); #include <opencrypto/cryptodev.h> #include <opencrypto/xform.h> -static int null_setkey(u_int8_t **, u_int8_t *, int); -static int des1_setkey(u_int8_t **, u_int8_t *, int); -static int des3_setkey(u_int8_t **, u_int8_t *, int); -static int blf_setkey(u_int8_t **, u_int8_t *, int); -static int cast5_setkey(u_int8_t **, u_int8_t *, int); -static int skipjack_setkey(u_int8_t **, u_int8_t *, int); -static int rijndael128_setkey(u_int8_t **, u_int8_t *, int); -static int aes_icm_setkey(u_int8_t **, u_int8_t *, int); -static int aes_xts_setkey(u_int8_t **, u_int8_t *, int); -static int cml_setkey(u_int8_t **, u_int8_t *, int); - -static void null_encrypt(caddr_t, u_int8_t *); -static void des1_encrypt(caddr_t, u_int8_t *); -static void des3_encrypt(caddr_t, u_int8_t *); -static void blf_encrypt(caddr_t, u_int8_t *); -static void cast5_encrypt(caddr_t, u_int8_t *); -static void skipjack_encrypt(caddr_t, u_int8_t *); -static void rijndael128_encrypt(caddr_t, u_int8_t *); -static void aes_xts_encrypt(caddr_t, u_int8_t *); -static void cml_encrypt(caddr_t, u_int8_t *); - -static void null_decrypt(caddr_t, u_int8_t *); -static void des1_decrypt(caddr_t, u_int8_t *); -static void des3_decrypt(caddr_t, u_int8_t *); -static void blf_decrypt(caddr_t, u_int8_t *); -static void cast5_decrypt(caddr_t, u_int8_t *); -static void skipjack_decrypt(caddr_t, u_int8_t *); -static void rijndael128_decrypt(caddr_t, u_int8_t *); -static void aes_xts_decrypt(caddr_t, u_int8_t *); -static void cml_decrypt(caddr_t, u_int8_t *); - -static void aes_icm_crypt(caddr_t, u_int8_t *); - -static void null_zerokey(u_int8_t **); -static void des1_zerokey(u_int8_t **); -static void des3_zerokey(u_int8_t **); -static void blf_zerokey(u_int8_t **); -static void cast5_zerokey(u_int8_t **); -static void skipjack_zerokey(u_int8_t **); -static void rijndael128_zerokey(u_int8_t **); -static void aes_icm_zerokey(u_int8_t **); -static void aes_xts_zerokey(u_int8_t **); -static void cml_zerokey(u_int8_t **); - -static void aes_icm_reinit(caddr_t, u_int8_t *); -static void aes_xts_reinit(caddr_t, u_int8_t *); -static void aes_gcm_reinit(caddr_t, u_int8_t *); - -static void null_init(void *); -static void null_reinit(void *ctx, const u_int8_t *buf, u_int16_t len); -static int null_update(void *, const u_int8_t *, u_int16_t); -static void null_final(u_int8_t *, void *); -static int MD5Update_int(void *, const u_int8_t *, u_int16_t); -static void SHA1Init_int(void *); -static int SHA1Update_int(void *, const u_int8_t *, u_int16_t); -static void SHA1Final_int(u_int8_t *, void *); -static int RMD160Update_int(void *, const u_int8_t *, u_int16_t); -static int SHA256Update_int(void *, const u_int8_t *, u_int16_t); -static int SHA384Update_int(void *, const u_int8_t *, u_int16_t); -static int SHA512Update_int(void *, const u_int8_t *, u_int16_t); - -static u_int32_t deflate_compress(u_int8_t *, u_int32_t, u_int8_t **); -static u_int32_t deflate_decompress(u_int8_t *, u_int32_t, u_int8_t **); - -#define AESICM_BLOCKSIZE AES_BLOCK_LEN - -struct aes_icm_ctx { - u_int32_t ac_ek[4*(RIJNDAEL_MAXNR + 1)]; - /* ac_block is initalized to IV */ - u_int8_t ac_block[AESICM_BLOCKSIZE]; - int ac_nr; -}; - MALLOC_DEFINE(M_XDATA, "xform", "xform data buffers"); /* Encryption instances */ -struct enc_xform enc_xform_null = { - CRYPTO_NULL_CBC, "NULL", - /* NB: blocksize of 4 is to generate a properly aligned ESP header */ - NULL_BLOCK_LEN, 0, NULL_MIN_KEY, NULL_MAX_KEY, - null_encrypt, - null_decrypt, - null_setkey, - null_zerokey, - NULL, -}; - -struct enc_xform enc_xform_des = { - CRYPTO_DES_CBC, "DES", - DES_BLOCK_LEN, DES_BLOCK_LEN, DES_MIN_KEY, DES_MAX_KEY, - des1_encrypt, - des1_decrypt, - des1_setkey, - des1_zerokey, - NULL, -}; - -struct enc_xform enc_xform_3des = { - CRYPTO_3DES_CBC, "3DES", - DES3_BLOCK_LEN, DES3_BLOCK_LEN, TRIPLE_DES_MIN_KEY, - TRIPLE_DES_MAX_KEY, - des3_encrypt, - des3_decrypt, - des3_setkey, - des3_zerokey, - NULL, -}; - -struct enc_xform enc_xform_blf = { - CRYPTO_BLF_CBC, "Blowfish", - BLOWFISH_BLOCK_LEN, BLOWFISH_BLOCK_LEN, BLOWFISH_MIN_KEY, - BLOWFISH_MAX_KEY, - blf_encrypt, - blf_decrypt, - blf_setkey, - blf_zerokey, - NULL, -}; - -struct enc_xform enc_xform_cast5 = { - CRYPTO_CAST_CBC, "CAST-128", - CAST128_BLOCK_LEN, CAST128_BLOCK_LEN, CAST_MIN_KEY, CAST_MAX_KEY, - cast5_encrypt, - cast5_decrypt, - cast5_setkey, - cast5_zerokey, - NULL, -}; - -struct enc_xform enc_xform_skipjack = { - CRYPTO_SKIPJACK_CBC, "Skipjack", - SKIPJACK_BLOCK_LEN, SKIPJACK_BLOCK_LEN, SKIPJACK_MIN_KEY, - SKIPJACK_MAX_KEY, - skipjack_encrypt, - skipjack_decrypt, skipjack_setkey, - skipjack_zerokey, - NULL, -}; - -struct enc_xform enc_xform_rijndael128 = { - CRYPTO_RIJNDAEL128_CBC, "Rijndael-128/AES", - RIJNDAEL128_BLOCK_LEN, RIJNDAEL128_BLOCK_LEN, RIJNDAEL_MIN_KEY, - RIJNDAEL_MAX_KEY, - rijndael128_encrypt, - rijndael128_decrypt, - rijndael128_setkey, - rijndael128_zerokey, - NULL, -}; - -struct enc_xform enc_xform_aes_icm = { - CRYPTO_AES_ICM, "AES-ICM", - AES_BLOCK_LEN, AES_BLOCK_LEN, AES_MIN_KEY, AES_MAX_KEY, - aes_icm_crypt, - aes_icm_crypt, - aes_icm_setkey, - rijndael128_zerokey, - aes_icm_reinit, -}; - -struct enc_xform enc_xform_aes_nist_gcm = { - CRYPTO_AES_NIST_GCM_16, "AES-GCM", - AES_ICM_BLOCK_LEN, AES_GCM_IV_LEN, AES_MIN_KEY, AES_MAX_KEY, - aes_icm_crypt, - aes_icm_crypt, - aes_icm_setkey, - aes_icm_zerokey, - aes_gcm_reinit, -}; - -struct enc_xform enc_xform_aes_nist_gmac = { - CRYPTO_AES_NIST_GMAC, "AES-GMAC", - AES_ICM_BLOCK_LEN, AES_GCM_IV_LEN, AES_MIN_KEY, AES_MAX_KEY, - NULL, - NULL, - NULL, - NULL, - NULL, -}; - -struct enc_xform enc_xform_aes_xts = { - CRYPTO_AES_XTS, "AES-XTS", - AES_BLOCK_LEN, AES_XTS_IV_LEN, AES_XTS_MIN_KEY, AES_XTS_MAX_KEY, - aes_xts_encrypt, - aes_xts_decrypt, - aes_xts_setkey, - aes_xts_zerokey, - aes_xts_reinit -}; - struct enc_xform enc_xform_arc4 = { CRYPTO_ARC4, "ARC4", ARC4_BLOCK_LEN, ARC4_IV_LEN, ARC4_MIN_KEY, ARC4_MAX_KEY, @@ -275,711 +88,26 @@ struct enc_xform enc_xform_arc4 = { NULL, }; -struct enc_xform enc_xform_camellia = { - CRYPTO_CAMELLIA_CBC, "Camellia", - CAMELLIA_BLOCK_LEN, CAMELLIA_BLOCK_LEN, CAMELLIA_MIN_KEY, - CAMELLIA_MAX_KEY, - cml_encrypt, - cml_decrypt, - cml_setkey, - cml_zerokey, - NULL, -}; - -/* Authentication instances */ -struct auth_hash auth_hash_null = { /* NB: context isn't used */ - CRYPTO_NULL_HMAC, "NULL-HMAC", - NULL_HMAC_KEY_LEN, NULL_HASH_LEN, sizeof(int), NULL_HMAC_BLOCK_LEN, - null_init, null_reinit, null_reinit, null_update, null_final -}; - -struct auth_hash auth_hash_hmac_md5 = { - CRYPTO_MD5_HMAC, "HMAC-MD5", - MD5_HMAC_KEY_LEN, MD5_HASH_LEN, sizeof(MD5_CTX), MD5_HMAC_BLOCK_LEN, - (void (*) (void *)) MD5Init, NULL, NULL, MD5Update_int, - (void (*) (u_int8_t *, void *)) MD5Final -}; - -struct auth_hash auth_hash_hmac_sha1 = { - CRYPTO_SHA1_HMAC, "HMAC-SHA1", - SHA1_HMAC_KEY_LEN, SHA1_HASH_LEN, sizeof(SHA1_CTX), SHA1_HMAC_BLOCK_LEN, - SHA1Init_int, NULL, NULL, SHA1Update_int, SHA1Final_int -}; - -struct auth_hash auth_hash_hmac_ripemd_160 = { - CRYPTO_RIPEMD160_HMAC, "HMAC-RIPEMD-160", - RIPEMD160_HMAC_KEY_LEN, RIPEMD160_HASH_LEN, sizeof(RMD160_CTX), - RIPEMD160_HMAC_BLOCK_LEN, - (void (*)(void *)) RMD160Init, NULL, NULL, RMD160Update_int, - (void (*)(u_int8_t *, void *)) RMD160Final -}; - -struct auth_hash auth_hash_key_md5 = { - CRYPTO_MD5_KPDK, "Keyed MD5", - NULL_HMAC_KEY_LEN, MD5_KPDK_HASH_LEN, sizeof(MD5_CTX), 0, - (void (*)(void *)) MD5Init, NULL, NULL, MD5Update_int, - (void (*)(u_int8_t *, void *)) MD5Final -}; - -struct auth_hash auth_hash_key_sha1 = { - CRYPTO_SHA1_KPDK, "Keyed SHA1", - NULL_HMAC_KEY_LEN, SHA1_KPDK_HASH_LEN, sizeof(SHA1_CTX), 0, - SHA1Init_int, NULL, NULL, SHA1Update_int, SHA1Final_int -}; - -struct auth_hash auth_hash_hmac_sha2_256 = { - CRYPTO_SHA2_256_HMAC, "HMAC-SHA2-256", - SHA2_256_HMAC_KEY_LEN, SHA2_256_HASH_LEN, sizeof(SHA256_CTX), - SHA2_256_HMAC_BLOCK_LEN, - (void (*)(void *)) SHA256_Init, NULL, NULL, SHA256Update_int, - (void (*)(u_int8_t *, void *)) SHA256_Final -}; - -struct auth_hash auth_hash_hmac_sha2_384 = { - CRYPTO_SHA2_384_HMAC, "HMAC-SHA2-384", - SHA2_384_HMAC_KEY_LEN, SHA2_384_HASH_LEN, sizeof(SHA384_CTX), - SHA2_384_HMAC_BLOCK_LEN, - (void (*)(void *)) SHA384_Init, NULL, NULL, SHA384Update_int, - (void (*)(u_int8_t *, void *)) SHA384_Final -}; - -struct auth_hash auth_hash_hmac_sha2_512 = { - CRYPTO_SHA2_512_HMAC, "HMAC-SHA2-512", - SHA2_512_HMAC_KEY_LEN, SHA2_512_HASH_LEN, sizeof(SHA512_CTX), - SHA2_512_HMAC_BLOCK_LEN, - (void (*)(void *)) SHA512_Init, NULL, NULL, SHA512Update_int, - (void (*)(u_int8_t *, void *)) SHA512_Final -}; - -struct auth_hash auth_hash_nist_gmac_aes_128 = { - CRYPTO_AES_128_NIST_GMAC, "GMAC-AES-128", - AES_128_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx), - GMAC_BLOCK_LEN, - (void (*)(void *)) AES_GMAC_Init, - (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey, - (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit, - (int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update, - (void (*)(u_int8_t *, void *)) AES_GMAC_Final -}; - -struct auth_hash auth_hash_nist_gmac_aes_192 = { - CRYPTO_AES_192_NIST_GMAC, "GMAC-AES-192", - AES_192_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx), - GMAC_BLOCK_LEN, - (void (*)(void *)) AES_GMAC_Init, - (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey, - (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit, - (int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update, - (void (*)(u_int8_t *, void *)) AES_GMAC_Final -}; - -struct auth_hash auth_hash_nist_gmac_aes_256 = { - CRYPTO_AES_256_NIST_GMAC, "GMAC-AES-256", - AES_256_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx), - GMAC_BLOCK_LEN, - (void (*)(void *)) AES_GMAC_Init, - (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey, - (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit, - (int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update, - (void (*)(u_int8_t *, void *)) AES_GMAC_Final -}; - -/* Compression instance */ -struct comp_algo comp_algo_deflate = { - CRYPTO_DEFLATE_COMP, "Deflate", - 90, deflate_compress, - deflate_decompress -}; - -/* - * Encryption wrapper routines. - */ -static void -null_encrypt(caddr_t key, u_int8_t *blk) -{ -} -static void -null_decrypt(caddr_t key, u_int8_t *blk) -{ -} -static int -null_setkey(u_int8_t **sched, u_int8_t *key, int len) -{ - *sched = NULL; - return 0; -} -static void -null_zerokey(u_int8_t **sched) -{ - *sched = NULL; -} - -static void -des1_encrypt(caddr_t key, u_int8_t *blk) -{ - des_cblock *cb = (des_cblock *) blk; - des_key_schedule *p = (des_key_schedule *) key; - - des_ecb_encrypt(cb, cb, p[0], DES_ENCRYPT); -} - -static void -des1_decrypt(caddr_t key, u_int8_t *blk) -{ - des_cblock *cb = (des_cblock *) blk; - des_key_schedule *p = (des_key_schedule *) key; - - des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT); -} - -static int -des1_setkey(u_int8_t **sched, u_int8_t *key, int len) -{ - des_key_schedule *p; - int err; - - p = malloc(sizeof (des_key_schedule), - M_CRYPTO_DATA, M_NOWAIT|M_ZERO); - if (p != NULL) { - des_set_key((des_cblock *) key, p[0]); - err = 0; - } else - err = ENOMEM; - *sched = (u_int8_t *) p; - return err; -} - -static void -des1_zerokey(u_int8_t **sched) -{ - bzero(*sched, sizeof (des_key_schedule)); - free(*sched, M_CRYPTO_DATA); - *sched = NULL; -} - -static void -des3_encrypt(caddr_t key, u_int8_t *blk) -{ - des_cblock *cb = (des_cblock *) blk; - des_key_schedule *p = (des_key_schedule *) key; - - des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_ENCRYPT); -} - -static void -des3_decrypt(caddr_t key, u_int8_t *blk) -{ - des_cblock *cb = (des_cblock *) blk; - des_key_schedule *p = (des_key_schedule *) key; - - des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_DECRYPT); -} - -static int -des3_setkey(u_int8_t **sched, u_int8_t *key, int len) -{ - des_key_schedule *p; - int err; - - p = malloc(3*sizeof (des_key_schedule), - M_CRYPTO_DATA, M_NOWAIT|M_ZERO); - if (p != NULL) { - des_set_key((des_cblock *)(key + 0), p[0]); - des_set_key((des_cblock *)(key + 8), p[1]); - des_set_key((des_cblock *)(key + 16), p[2]); - err = 0; - } else - err = ENOMEM; - *sched = (u_int8_t *) p; - return err; -} - -static void -des3_zerokey(u_int8_t **sched) -{ - bzero(*sched, 3*sizeof (des_key_schedule)); - free(*sched, M_CRYPTO_DATA); - *sched = NULL; -} - -static void -blf_encrypt(caddr_t key, u_int8_t *blk) -{ - BF_LONG t[2]; - - memcpy(t, blk, sizeof (t)); - t[0] = ntohl(t[0]); - t[1] = ntohl(t[1]); - /* NB: BF_encrypt expects the block in host order! */ - BF_encrypt(t, (BF_KEY *) key); - t[0] = htonl(t[0]); - t[1] = htonl(t[1]); - memcpy(blk, t, sizeof (t)); -} - -static void -blf_decrypt(caddr_t key, u_int8_t *blk) -{ - BF_LONG t[2]; - - memcpy(t, blk, sizeof (t)); - t[0] = ntohl(t[0]); - t[1] = ntohl(t[1]); - /* NB: BF_decrypt expects the block in host order! */ - BF_decrypt(t, (BF_KEY *) key); - t[0] = htonl(t[0]); - t[1] = htonl(t[1]); - memcpy(blk, t, sizeof (t)); -} - -static int -blf_setkey(u_int8_t **sched, u_int8_t *key, int len) -{ - int err; - - *sched = malloc(sizeof(BF_KEY), - M_CRYPTO_DATA, M_NOWAIT|M_ZERO); - if (*sched != NULL) { - BF_set_key((BF_KEY *) *sched, len, key); - err = 0; - } else - err = ENOMEM; - return err; -} - -static void -blf_zerokey(u_int8_t **sched) -{ - bzero(*sched, sizeof(BF_KEY)); - free(*sched, M_CRYPTO_DATA); - *sched = NULL; -} - -static void -cast5_encrypt(caddr_t key, u_int8_t *blk) -{ - cast_encrypt((cast_key *) key, blk, blk); -} - -static void -cast5_decrypt(caddr_t key, u_int8_t *blk) -{ - cast_decrypt((cast_key *) key, blk, blk); -} - -static int -cast5_setkey(u_int8_t **sched, u_int8_t *key, int len) -{ - int err; - - *sched = malloc(sizeof(cast_key), M_CRYPTO_DATA, M_NOWAIT|M_ZERO); - if (*sched != NULL) { - cast_setkey((cast_key *)*sched, key, len); - err = 0; - } else - err = ENOMEM; - return err; -} - -static void -cast5_zerokey(u_int8_t **sched) -{ - bzero(*sched, sizeof(cast_key)); - free(*sched, M_CRYPTO_DATA); - *sched = NULL; -} - -static void -skipjack_encrypt(caddr_t key, u_int8_t *blk) -{ - skipjack_forwards(blk, blk, (u_int8_t **) key); -} - -static void -skipjack_decrypt(caddr_t key, u_int8_t *blk) -{ - skipjack_backwards(blk, blk, (u_int8_t **) key); -} - -static int -skipjack_setkey(u_int8_t **sched, u_int8_t *key, int len) -{ - int err; - - /* NB: allocate all the memory that's needed at once */ - *sched = malloc(10 * (sizeof(u_int8_t *) + 0x100), - M_CRYPTO_DATA, M_NOWAIT|M_ZERO); - if (*sched != NULL) { - u_int8_t** key_tables = (u_int8_t**) *sched; - u_int8_t* table = (u_int8_t*) &key_tables[10]; - int k; - - for (k = 0; k < 10; k++) { - key_tables[k] = table; - table += 0x100; - } - subkey_table_gen(key, (u_int8_t **) *sched); - err = 0; - } else - err = ENOMEM; - return err; -} - -static void -skipjack_zerokey(u_int8_t **sched) -{ - bzero(*sched, 10 * (sizeof(u_int8_t *) + 0x100)); - free(*sched, M_CRYPTO_DATA); - *sched = NULL; -} - -static void -rijndael128_encrypt(caddr_t key, u_int8_t *blk) -{ - rijndael_encrypt((rijndael_ctx *) key, (u_char *) blk, (u_char *) blk); -} - -static void -rijndael128_decrypt(caddr_t key, u_int8_t *blk) -{ - rijndael_decrypt(((rijndael_ctx *) key), (u_char *) blk, - (u_char *) blk); -} - -static int -rijndael128_setkey(u_int8_t **sched, u_int8_t *key, int len) -{ - int err; - - if (len != 16 && len != 24 && len != 32) - return (EINVAL); - *sched = malloc(sizeof(rijndael_ctx), M_CRYPTO_DATA, - M_NOWAIT|M_ZERO); - if (*sched != NULL) { - rijndael_set_key((rijndael_ctx *) *sched, (u_char *) key, - len * 8); - err = 0; - } else - err = ENOMEM; - return err; -} - -static void -rijndael128_zerokey(u_int8_t **sched) -{ - bzero(*sched, sizeof(rijndael_ctx)); - free(*sched, M_CRYPTO_DATA); - *sched = NULL; -} - -void -aes_icm_reinit(caddr_t key, u_int8_t *iv) -{ - struct aes_icm_ctx *ctx; - - ctx = (struct aes_icm_ctx *)key; - bcopy(iv, ctx->ac_block, AESICM_BLOCKSIZE); -} - -void -aes_gcm_reinit(caddr_t key, u_int8_t *iv) -{ - struct aes_icm_ctx *ctx; - - aes_icm_reinit(key, iv); - - ctx = (struct aes_icm_ctx *)key; - /* GCM starts with 2 as counter 1 is used for final xor of tag. */ - bzero(&ctx->ac_block[AESICM_BLOCKSIZE - 4], 4); - ctx->ac_block[AESICM_BLOCKSIZE - 1] = 2; -} - -void -aes_icm_crypt(caddr_t key, u_int8_t *data) -{ - struct aes_icm_ctx *ctx; - u_int8_t keystream[AESICM_BLOCKSIZE]; - int i; - - ctx = (struct aes_icm_ctx *)key; - rijndaelEncrypt(ctx->ac_ek, ctx->ac_nr, ctx->ac_block, keystream); - for (i = 0; i < AESICM_BLOCKSIZE; i++) - data[i] ^= keystream[i]; - explicit_bzero(keystream, sizeof(keystream)); - - /* increment counter */ - for (i = AESICM_BLOCKSIZE - 1; - i >= 0; i--) - if (++ctx->ac_block[i]) /* continue on overflow */ - break; -} - -int -aes_icm_setkey(u_int8_t **sched, u_int8_t *key, int len) -{ - struct aes_icm_ctx *ctx; - - if (len != 16 && len != 24 && len != 32) - return EINVAL; - - *sched = malloc(sizeof(struct aes_icm_ctx), M_CRYPTO_DATA, - M_NOWAIT | M_ZERO); - if (*sched == NULL) - return ENOMEM; - - ctx = (struct aes_icm_ctx *)*sched; - ctx->ac_nr = rijndaelKeySetupEnc(ctx->ac_ek, (u_char *)key, len * 8); - return 0; -} - -void -aes_icm_zerokey(u_int8_t **sched) -{ - - bzero(*sched, sizeof(struct aes_icm_ctx)); - free(*sched, M_CRYPTO_DATA); - *sched = NULL; -} - -#define AES_XTS_BLOCKSIZE 16 -#define AES_XTS_IVSIZE 8 -#define AES_XTS_ALPHA 0x87 /* GF(2^128) generator polynomial */ - -struct aes_xts_ctx { - rijndael_ctx key1; - rijndael_ctx key2; - u_int8_t tweak[AES_XTS_BLOCKSIZE]; -}; - -void -aes_xts_reinit(caddr_t key, u_int8_t *iv) -{ - struct aes_xts_ctx *ctx = (struct aes_xts_ctx *)key; - u_int64_t blocknum; - u_int i; - - /* - * Prepare tweak as E_k2(IV). IV is specified as LE representation - * of a 64-bit block number which we allow to be passed in directly. - */ - bcopy(iv, &blocknum, AES_XTS_IVSIZE); - for (i = 0; i < AES_XTS_IVSIZE; i++) { - ctx->tweak[i] = blocknum & 0xff; - blocknum >>= 8; - } - /* Last 64 bits of IV are always zero */ - bzero(ctx->tweak + AES_XTS_IVSIZE, AES_XTS_IVSIZE); - - rijndael_encrypt(&ctx->key2, ctx->tweak, ctx->tweak); -} - -static void -aes_xts_crypt(struct aes_xts_ctx *ctx, u_int8_t *data, u_int do_encrypt) -{ - u_int8_t block[AES_XTS_BLOCKSIZE]; - u_int i, carry_in, carry_out; - - for (i = 0; i < AES_XTS_BLOCKSIZE; i++) - block[i] = data[i] ^ ctx->tweak[i]; - - if (do_encrypt) - rijndael_encrypt(&ctx->key1, block, data); - else - rijndael_decrypt(&ctx->key1, block, data); - - for (i = 0; i < AES_XTS_BLOCKSIZE; i++) - data[i] ^= ctx->tweak[i]; - - /* Exponentiate tweak */ - carry_in = 0; - for (i = 0; i < AES_XTS_BLOCKSIZE; i++) { - carry_out = ctx->tweak[i] & 0x80; - ctx->tweak[i] = (ctx->tweak[i] << 1) | (carry_in ? 1 : 0); - carry_in = carry_out; - } - if (carry_in) - ctx->tweak[0] ^= AES_XTS_ALPHA; - bzero(block, sizeof(block)); -} - -void -aes_xts_encrypt(caddr_t key, u_int8_t *data) -{ - aes_xts_crypt((struct aes_xts_ctx *)key, data, 1); -} - -void -aes_xts_decrypt(caddr_t key, u_int8_t *data) -{ - aes_xts_crypt((struct aes_xts_ctx *)key, data, 0); -} - -int -aes_xts_setkey(u_int8_t **sched, u_int8_t *key, int len) -{ - struct aes_xts_ctx *ctx; - - if (len != 32 && len != 64) - return EINVAL; - - *sched = malloc(sizeof(struct aes_xts_ctx), M_CRYPTO_DATA, - M_NOWAIT | M_ZERO); - if (*sched == NULL) - return ENOMEM; - ctx = (struct aes_xts_ctx *)*sched; - - rijndael_set_key(&ctx->key1, key, len * 4); - rijndael_set_key(&ctx->key2, key + (len / 2), len * 4); - - return 0; -} -void -aes_xts_zerokey(u_int8_t **sched) -{ - bzero(*sched, sizeof(struct aes_xts_ctx)); - free(*sched, M_CRYPTO_DATA); - *sched = NULL; -} +/* Include the encryption algorithms */ +#include "xform_null.c" +#include "xform_des1.c" +#include "xform_des3.c" +#include "xform_blf.c" +#include "xform_cast5.c" +#include "xform_skipjack.c" +#include "xform_rijndael.c" +#include "xform_aes_icm.c" +#include "xform_aes_xts.c" +#include "xform_cml.c" -static void -cml_encrypt(caddr_t key, u_int8_t *blk) -{ - camellia_encrypt((camellia_ctx *) key, (u_char *) blk, (u_char *) blk); -} - -static void -cml_decrypt(caddr_t key, u_int8_t *blk) -{ - camellia_decrypt(((camellia_ctx *) key), (u_char *) blk, - (u_char *) blk); -} - -static int -cml_setkey(u_int8_t **sched, u_int8_t *key, int len) -{ - int err; - - if (len != 16 && len != 24 && len != 32) - return (EINVAL); - *sched = malloc(sizeof(camellia_ctx), M_CRYPTO_DATA, - M_NOWAIT|M_ZERO); - if (*sched != NULL) { - camellia_set_key((camellia_ctx *) *sched, (u_char *) key, - len * 8); - err = 0; - } else - err = ENOMEM; - return err; -} - -static void -cml_zerokey(u_int8_t **sched) -{ - bzero(*sched, sizeof(camellia_ctx)); - free(*sched, M_CRYPTO_DATA); - *sched = NULL; -} - -/* - * And now for auth. - */ - -static void -null_init(void *ctx) -{ -} - -static void -null_reinit(void *ctx, const u_int8_t *buf, u_int16_t len) -{ -} - -static int -null_update(void *ctx, const u_int8_t *buf, u_int16_t len) -{ - return 0; -} - -static void -null_final(u_int8_t *buf, void *ctx) -{ - if (buf != (u_int8_t *) 0) - bzero(buf, 12); -} - -static int -RMD160Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) -{ - RMD160Update(ctx, buf, len); - return 0; -} - -static int -MD5Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) -{ - MD5Update(ctx, buf, len); - return 0; -} - -static void -SHA1Init_int(void *ctx) -{ - SHA1Init(ctx); -} - -static int -SHA1Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) -{ - SHA1Update(ctx, buf, len); - return 0; -} - -static void -SHA1Final_int(u_int8_t *blk, void *ctx) -{ - SHA1Final(blk, ctx); -} - -static int -SHA256Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) -{ - SHA256_Update(ctx, buf, len); - return 0; -} - -static int -SHA384Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) -{ - SHA384_Update(ctx, buf, len); - return 0; -} - -static int -SHA512Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) -{ - SHA512_Update(ctx, buf, len); - return 0; -} - -/* - * And compression - */ +/* Include the authentication and hashing algorithms */ +#include "xform_gmac.c" +#include "xform_md5.c" +#include "xform_rmd160.c" +#include "xform_sha1.c" +#include "xform_sha2.c" -static u_int32_t -deflate_compress(data, size, out) - u_int8_t *data; - u_int32_t size; - u_int8_t **out; -{ - return deflate_global(data, size, 0, out); -} +/* Include the compression algorithms */ +#include "xform_deflate.c" -static u_int32_t -deflate_decompress(data, size, out) - u_int8_t *data; - u_int32_t size; - u_int8_t **out; -{ - return deflate_global(data, size, 1, out); -} diff --git a/sys/opencrypto/xform.h b/sys/opencrypto/xform.h index e0b6397..d58a7ac 100644 --- a/sys/opencrypto/xform.h +++ b/sys/opencrypto/xform.h @@ -37,83 +37,9 @@ #include <opencrypto/rmd160.h> #include <opencrypto/gmac.h> -/* Declarations */ -struct auth_hash { - int type; - char *name; - u_int16_t keysize; - u_int16_t hashsize; - u_int16_t ctxsize; - u_int16_t blocksize; - void (*Init) (void *); - void (*Setkey) (void *, const u_int8_t *, u_int16_t); - void (*Reinit) (void *, const u_int8_t *, u_int16_t); - int (*Update) (void *, const u_int8_t *, u_int16_t); - void (*Final) (u_int8_t *, void *); -}; - -/* XXX use a define common with other hash stuff ! */ -#define AH_ALEN_MAX 64 /* max authenticator hash length */ - -struct enc_xform { - int type; - char *name; - u_int16_t blocksize; - u_int16_t ivsize; - u_int16_t minkey, maxkey; - void (*encrypt) (caddr_t, u_int8_t *); - void (*decrypt) (caddr_t, u_int8_t *); - int (*setkey) (u_int8_t **, u_int8_t *, int len); - void (*zerokey) (u_int8_t **); - void (*reinit) (caddr_t, u_int8_t *); -}; - -struct comp_algo { - int type; - char *name; - size_t minlen; - u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **); - u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **); -}; - -union authctx { - MD5_CTX md5ctx; - SHA1_CTX sha1ctx; - RMD160_CTX rmd160ctx; - SHA256_CTX sha256ctx; - SHA384_CTX sha384ctx; - SHA512_CTX sha512ctx; - struct aes_gmac_ctx aes_gmac_ctx; -}; - -extern struct enc_xform enc_xform_null; -extern struct enc_xform enc_xform_des; -extern struct enc_xform enc_xform_3des; -extern struct enc_xform enc_xform_blf; -extern struct enc_xform enc_xform_cast5; -extern struct enc_xform enc_xform_skipjack; -extern struct enc_xform enc_xform_rijndael128; -extern struct enc_xform enc_xform_aes_icm; -extern struct enc_xform enc_xform_aes_nist_gcm; -extern struct enc_xform enc_xform_aes_nist_gmac; -extern struct enc_xform enc_xform_aes_xts; -extern struct enc_xform enc_xform_arc4; -extern struct enc_xform enc_xform_camellia; - -extern struct auth_hash auth_hash_null; -extern struct auth_hash auth_hash_key_md5; -extern struct auth_hash auth_hash_key_sha1; -extern struct auth_hash auth_hash_hmac_md5; -extern struct auth_hash auth_hash_hmac_sha1; -extern struct auth_hash auth_hash_hmac_ripemd_160; -extern struct auth_hash auth_hash_hmac_sha2_256; -extern struct auth_hash auth_hash_hmac_sha2_384; -extern struct auth_hash auth_hash_hmac_sha2_512; -extern struct auth_hash auth_hash_nist_gmac_aes_128; -extern struct auth_hash auth_hash_nist_gmac_aes_192; -extern struct auth_hash auth_hash_nist_gmac_aes_256; - -extern struct comp_algo comp_algo_deflate; +#include <opencrypto/xform_auth.h> +#include <opencrypto/xform_comp.h> +#include <opencrypto/xform_enc.h> #ifdef _KERNEL #include <sys/malloc.h> diff --git a/sys/opencrypto/xform_aes_icm.c b/sys/opencrypto/xform_aes_icm.c new file mode 100644 index 0000000..f4ce885 --- /dev/null +++ b/sys/opencrypto/xform_aes_icm.c @@ -0,0 +1,152 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <opencrypto/xform_enc.h> + +static int aes_icm_setkey(u_int8_t **, u_int8_t *, int); +static void aes_icm_crypt(caddr_t, u_int8_t *); +static void aes_icm_zerokey(u_int8_t **); +static void aes_icm_reinit(caddr_t, u_int8_t *); +static void aes_gcm_reinit(caddr_t, u_int8_t *); + +/* Encryption instances */ +struct enc_xform enc_xform_aes_icm = { + CRYPTO_AES_ICM, "AES-ICM", + AES_BLOCK_LEN, AES_BLOCK_LEN, AES_MIN_KEY, AES_MAX_KEY, + aes_icm_crypt, + aes_icm_crypt, + aes_icm_setkey, + rijndael128_zerokey, + aes_icm_reinit, +}; + +struct enc_xform enc_xform_aes_nist_gcm = { + CRYPTO_AES_NIST_GCM_16, "AES-GCM", + AES_ICM_BLOCK_LEN, AES_GCM_IV_LEN, AES_MIN_KEY, AES_MAX_KEY, + aes_icm_crypt, + aes_icm_crypt, + aes_icm_setkey, + aes_icm_zerokey, + aes_gcm_reinit, +}; + +/* + * Encryption wrapper routines. + */ +static void +aes_icm_reinit(caddr_t key, u_int8_t *iv) +{ + struct aes_icm_ctx *ctx; + + ctx = (struct aes_icm_ctx *)key; + bcopy(iv, ctx->ac_block, AESICM_BLOCKSIZE); +} + +static void +aes_gcm_reinit(caddr_t key, u_int8_t *iv) +{ + struct aes_icm_ctx *ctx; + + aes_icm_reinit(key, iv); + + ctx = (struct aes_icm_ctx *)key; + /* GCM starts with 2 as counter 1 is used for final xor of tag. */ + bzero(&ctx->ac_block[AESICM_BLOCKSIZE - 4], 4); + ctx->ac_block[AESICM_BLOCKSIZE - 1] = 2; +} + +static void +aes_icm_crypt(caddr_t key, u_int8_t *data) +{ + struct aes_icm_ctx *ctx; + u_int8_t keystream[AESICM_BLOCKSIZE]; + int i; + + ctx = (struct aes_icm_ctx *)key; + rijndaelEncrypt(ctx->ac_ek, ctx->ac_nr, ctx->ac_block, keystream); + for (i = 0; i < AESICM_BLOCKSIZE; i++) + data[i] ^= keystream[i]; + explicit_bzero(keystream, sizeof(keystream)); + + /* increment counter */ + for (i = AESICM_BLOCKSIZE - 1; + i >= 0; i--) + if (++ctx->ac_block[i]) /* continue on overflow */ + break; +} + +static int +aes_icm_setkey(u_int8_t **sched, u_int8_t *key, int len) +{ + struct aes_icm_ctx *ctx; + + if (len != 16 && len != 24 && len != 32) + return EINVAL; + + *sched = KMALLOC(sizeof(struct aes_icm_ctx), M_CRYPTO_DATA, + M_NOWAIT | M_ZERO); + if (*sched == NULL) + return ENOMEM; + + ctx = (struct aes_icm_ctx *)*sched; + ctx->ac_nr = rijndaelKeySetupEnc(ctx->ac_ek, (u_char *)key, len * 8); + return 0; +} + +static void +aes_icm_zerokey(u_int8_t **sched) +{ + + bzero(*sched, sizeof(struct aes_icm_ctx)); + KFREE(*sched, M_CRYPTO_DATA); + *sched = NULL; +} diff --git a/sys/opencrypto/xform_aes_xts.c b/sys/opencrypto/xform_aes_xts.c new file mode 100644 index 0000000..dedbe62 --- /dev/null +++ b/sys/opencrypto/xform_aes_xts.c @@ -0,0 +1,164 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <opencrypto/xform_enc.h> + +static int aes_xts_setkey(u_int8_t **, u_int8_t *, int); +static void aes_xts_encrypt(caddr_t, u_int8_t *); +static void aes_xts_decrypt(caddr_t, u_int8_t *); +static void aes_xts_zerokey(u_int8_t **); +static void aes_xts_reinit(caddr_t, u_int8_t *); + +/* Encryption instances */ +struct enc_xform enc_xform_aes_xts = { + CRYPTO_AES_XTS, "AES-XTS", + AES_BLOCK_LEN, AES_XTS_IV_LEN, AES_XTS_MIN_KEY, AES_XTS_MAX_KEY, + aes_xts_encrypt, + aes_xts_decrypt, + aes_xts_setkey, + aes_xts_zerokey, + aes_xts_reinit +}; + +/* + * Encryption wrapper routines. + */ +static void +aes_xts_reinit(caddr_t key, u_int8_t *iv) +{ + struct aes_xts_ctx *ctx = (struct aes_xts_ctx *)key; + u_int64_t blocknum; + u_int i; + + /* + * Prepare tweak as E_k2(IV). IV is specified as LE representation + * of a 64-bit block number which we allow to be passed in directly. + */ + bcopy(iv, &blocknum, AES_XTS_IVSIZE); + for (i = 0; i < AES_XTS_IVSIZE; i++) { + ctx->tweak[i] = blocknum & 0xff; + blocknum >>= 8; + } + /* Last 64 bits of IV are always zero */ + bzero(ctx->tweak + AES_XTS_IVSIZE, AES_XTS_IVSIZE); + + rijndael_encrypt(&ctx->key2, ctx->tweak, ctx->tweak); +} + +static void +aes_xts_crypt(struct aes_xts_ctx *ctx, u_int8_t *data, u_int do_encrypt) +{ + u_int8_t block[AES_XTS_BLOCKSIZE]; + u_int i, carry_in, carry_out; + + for (i = 0; i < AES_XTS_BLOCKSIZE; i++) + block[i] = data[i] ^ ctx->tweak[i]; + + if (do_encrypt) + rijndael_encrypt(&ctx->key1, block, data); + else + rijndael_decrypt(&ctx->key1, block, data); + + for (i = 0; i < AES_XTS_BLOCKSIZE; i++) + data[i] ^= ctx->tweak[i]; + + /* Exponentiate tweak */ + carry_in = 0; + for (i = 0; i < AES_XTS_BLOCKSIZE; i++) { + carry_out = ctx->tweak[i] & 0x80; + ctx->tweak[i] = (ctx->tweak[i] << 1) | (carry_in ? 1 : 0); + carry_in = carry_out; + } + if (carry_in) + ctx->tweak[0] ^= AES_XTS_ALPHA; + bzero(block, sizeof(block)); +} + +static void +aes_xts_encrypt(caddr_t key, u_int8_t *data) +{ + aes_xts_crypt((struct aes_xts_ctx *)key, data, 1); +} + +static void +aes_xts_decrypt(caddr_t key, u_int8_t *data) +{ + aes_xts_crypt((struct aes_xts_ctx *)key, data, 0); +} + +static int +aes_xts_setkey(u_int8_t **sched, u_int8_t *key, int len) +{ + struct aes_xts_ctx *ctx; + + if (len != 32 && len != 64) + return EINVAL; + + *sched = KMALLOC(sizeof(struct aes_xts_ctx), M_CRYPTO_DATA, + M_NOWAIT | M_ZERO); + if (*sched == NULL) + return ENOMEM; + ctx = (struct aes_xts_ctx *)*sched; + + rijndael_set_key(&ctx->key1, key, len * 4); + rijndael_set_key(&ctx->key2, key + (len / 2), len * 4); + + return 0; +} + +static void +aes_xts_zerokey(u_int8_t **sched) +{ + bzero(*sched, sizeof(struct aes_xts_ctx)); + KFREE(*sched, M_CRYPTO_DATA); + *sched = NULL; +} diff --git a/sys/opencrypto/xform_auth.h b/sys/opencrypto/xform_auth.h new file mode 100644 index 0000000..42326b3 --- /dev/null +++ b/sys/opencrypto/xform_auth.h @@ -0,0 +1,87 @@ +/* $FreeBSD$ */ +/* $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $ */ + +/*- + * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu) + * + * This code was written by Angelos D. Keromytis in Athens, Greece, in + * February 2000. Network Security Technologies Inc. (NSTI) kindly + * supported the development of this code. + * + * Copyright (c) 2000 Angelos D. Keromytis + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all source code copies of any software which is or includes a copy or + * modification of this software. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#ifndef _CRYPTO_XFORM_AUTH_H_ +#define _CRYPTO_XFORM_AUTH_H_ + +#include <sys/malloc.h> +#include <sys/errno.h> + +#include <sys/md5.h> +#include <crypto/sha1.h> +#include <crypto/sha2/sha2.h> +#include <opencrypto/rmd160.h> +#include <opencrypto/gmac.h> + +#include <opencrypto/cryptodev.h> +#include <opencrypto/xform_userland.h> + +/* XXX use a define common with other hash stuff ! */ +#define AH_ALEN_MAX 64 /* max authenticator hash length */ + +/* Declarations */ +struct auth_hash { + int type; + char *name; + u_int16_t keysize; + u_int16_t hashsize; + u_int16_t ctxsize; + u_int16_t blocksize; + void (*Init) (void *); + void (*Setkey) (void *, const u_int8_t *, u_int16_t); + void (*Reinit) (void *, const u_int8_t *, u_int16_t); + int (*Update) (void *, const u_int8_t *, u_int16_t); + void (*Final) (u_int8_t *, void *); +}; + +extern struct auth_hash auth_hash_null; +extern struct auth_hash auth_hash_key_md5; +extern struct auth_hash auth_hash_key_sha1; +extern struct auth_hash auth_hash_hmac_md5; +extern struct auth_hash auth_hash_hmac_sha1; +extern struct auth_hash auth_hash_hmac_ripemd_160; +extern struct auth_hash auth_hash_hmac_sha2_256; +extern struct auth_hash auth_hash_hmac_sha2_384; +extern struct auth_hash auth_hash_hmac_sha2_512; +extern struct auth_hash auth_hash_nist_gmac_aes_128; +extern struct auth_hash auth_hash_nist_gmac_aes_192; +extern struct auth_hash auth_hash_nist_gmac_aes_256; + +union authctx { + MD5_CTX md5ctx; + SHA1_CTX sha1ctx; + RMD160_CTX rmd160ctx; + SHA256_CTX sha256ctx; + SHA384_CTX sha384ctx; + SHA512_CTX sha512ctx; + struct aes_gmac_ctx aes_gmac_ctx; +}; + +#endif /* _CRYPTO_XFORM_AUTH_H_ */ diff --git a/sys/opencrypto/xform_blf.c b/sys/opencrypto/xform_blf.c new file mode 100644 index 0000000..b4be5f8 --- /dev/null +++ b/sys/opencrypto/xform_blf.c @@ -0,0 +1,127 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <crypto/blowfish/blowfish.h> +#include <opencrypto/xform_enc.h> + +static int blf_setkey(u_int8_t **, u_int8_t *, int); +static void blf_encrypt(caddr_t, u_int8_t *); +static void blf_decrypt(caddr_t, u_int8_t *); +static void blf_zerokey(u_int8_t **); + +/* Encryption instances */ +struct enc_xform enc_xform_blf = { + CRYPTO_BLF_CBC, "Blowfish", + BLOWFISH_BLOCK_LEN, BLOWFISH_BLOCK_LEN, BLOWFISH_MIN_KEY, + BLOWFISH_MAX_KEY, + blf_encrypt, + blf_decrypt, + blf_setkey, + blf_zerokey, + NULL, +}; + +/* + * Encryption wrapper routines. + */ +static void +blf_encrypt(caddr_t key, u_int8_t *blk) +{ + BF_LONG t[2]; + + memcpy(t, blk, sizeof (t)); + t[0] = ntohl(t[0]); + t[1] = ntohl(t[1]); + /* NB: BF_encrypt expects the block in host order! */ + BF_encrypt(t, (BF_KEY *) key); + t[0] = htonl(t[0]); + t[1] = htonl(t[1]); + memcpy(blk, t, sizeof (t)); +} + +static void +blf_decrypt(caddr_t key, u_int8_t *blk) +{ + BF_LONG t[2]; + + memcpy(t, blk, sizeof (t)); + t[0] = ntohl(t[0]); + t[1] = ntohl(t[1]); + /* NB: BF_decrypt expects the block in host order! */ + BF_decrypt(t, (BF_KEY *) key); + t[0] = htonl(t[0]); + t[1] = htonl(t[1]); + memcpy(blk, t, sizeof (t)); +} + +static int +blf_setkey(u_int8_t **sched, u_int8_t *key, int len) +{ + int err; + + *sched = KMALLOC(sizeof(BF_KEY), + M_CRYPTO_DATA, M_NOWAIT|M_ZERO); + if (*sched != NULL) { + BF_set_key((BF_KEY *) *sched, len, key); + err = 0; + } else + err = ENOMEM; + return err; +} + +static void +blf_zerokey(u_int8_t **sched) +{ + bzero(*sched, sizeof(BF_KEY)); + KFREE(*sched, M_CRYPTO_DATA); + *sched = NULL; +} diff --git a/sys/opencrypto/xform_cast5.c b/sys/opencrypto/xform_cast5.c new file mode 100644 index 0000000..85b346e --- /dev/null +++ b/sys/opencrypto/xform_cast5.c @@ -0,0 +1,107 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <opencrypto/cast.h> +#include <opencrypto/xform_enc.h> + +static int cast5_setkey(u_int8_t **, u_int8_t *, int); +static void cast5_encrypt(caddr_t, u_int8_t *); +static void cast5_decrypt(caddr_t, u_int8_t *); +static void cast5_zerokey(u_int8_t **); + +/* Encryption instances */ +struct enc_xform enc_xform_cast5 = { + CRYPTO_CAST_CBC, "CAST-128", + CAST128_BLOCK_LEN, CAST128_BLOCK_LEN, CAST_MIN_KEY, CAST_MAX_KEY, + cast5_encrypt, + cast5_decrypt, + cast5_setkey, + cast5_zerokey, + NULL, +}; + +/* + * Encryption wrapper routines. + */ +static void +cast5_encrypt(caddr_t key, u_int8_t *blk) +{ + cast_encrypt((cast_key *) key, blk, blk); +} + +static void +cast5_decrypt(caddr_t key, u_int8_t *blk) +{ + cast_decrypt((cast_key *) key, blk, blk); +} + +static int +cast5_setkey(u_int8_t **sched, u_int8_t *key, int len) +{ + int err; + + *sched = KMALLOC(sizeof(cast_key), M_CRYPTO_DATA, M_NOWAIT|M_ZERO); + if (*sched != NULL) { + cast_setkey((cast_key *)*sched, key, len); + err = 0; + } else + err = ENOMEM; + return err; +} + +static void +cast5_zerokey(u_int8_t **sched) +{ + bzero(*sched, sizeof(cast_key)); + KFREE(*sched, M_CRYPTO_DATA); + *sched = NULL; +} diff --git a/sys/opencrypto/xform_cml.c b/sys/opencrypto/xform_cml.c new file mode 100644 index 0000000..c807fa9 --- /dev/null +++ b/sys/opencrypto/xform_cml.c @@ -0,0 +1,113 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <crypto/camellia/camellia.h> +#include <opencrypto/xform_enc.h> + +static int cml_setkey(u_int8_t **, u_int8_t *, int); +static void cml_encrypt(caddr_t, u_int8_t *); +static void cml_decrypt(caddr_t, u_int8_t *); +static void cml_zerokey(u_int8_t **); + +/* Encryption instances */ +struct enc_xform enc_xform_camellia = { + CRYPTO_CAMELLIA_CBC, "Camellia", + CAMELLIA_BLOCK_LEN, CAMELLIA_BLOCK_LEN, CAMELLIA_MIN_KEY, + CAMELLIA_MAX_KEY, + cml_encrypt, + cml_decrypt, + cml_setkey, + cml_zerokey, + NULL, +}; + +/* + * Encryption wrapper routines. + */ +static void +cml_encrypt(caddr_t key, u_int8_t *blk) +{ + camellia_encrypt((camellia_ctx *) key, (u_char *) blk, (u_char *) blk); +} + +static void +cml_decrypt(caddr_t key, u_int8_t *blk) +{ + camellia_decrypt(((camellia_ctx *) key), (u_char *) blk, + (u_char *) blk); +} + +static int +cml_setkey(u_int8_t **sched, u_int8_t *key, int len) +{ + int err; + + if (len != 16 && len != 24 && len != 32) + return (EINVAL); + *sched = KMALLOC(sizeof(camellia_ctx), M_CRYPTO_DATA, + M_NOWAIT|M_ZERO); + if (*sched != NULL) { + camellia_set_key((camellia_ctx *) *sched, (u_char *) key, + len * 8); + err = 0; + } else + err = ENOMEM; + return err; +} + +static void +cml_zerokey(u_int8_t **sched) +{ + bzero(*sched, sizeof(camellia_ctx)); + KFREE(*sched, M_CRYPTO_DATA); + *sched = NULL; +} diff --git a/sys/opencrypto/xform_comp.h b/sys/opencrypto/xform_comp.h new file mode 100644 index 0000000..23e4eac --- /dev/null +++ b/sys/opencrypto/xform_comp.h @@ -0,0 +1,52 @@ +/* $FreeBSD$ */ +/* $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $ */ + +/*- + * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu) + * + * This code was written by Angelos D. Keromytis in Athens, Greece, in + * February 2000. Network Security Technologies Inc. (NSTI) kindly + * supported the development of this code. + * + * Copyright (c) 2000 Angelos D. Keromytis + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all source code copies of any software which is or includes a copy or + * modification of this software. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#ifndef _CRYPTO_XFORM_COMP_H_ +#define _CRYPTO_XFORM_COMP_H_ + +#include <sys/malloc.h> +#include <sys/errno.h> + +#include <opencrypto/deflate.h> +#include <opencrypto/cryptodev.h> +#include <opencrypto/xform_userland.h> + +/* Declarations */ +struct comp_algo { + int type; + char *name; + size_t minlen; + u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **); + u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **); +}; + +extern struct comp_algo comp_algo_deflate; + +#endif /* _CRYPTO_XFORM_COMP_H_ */ diff --git a/sys/opencrypto/xform_deflate.c b/sys/opencrypto/xform_deflate.c new file mode 100644 index 0000000..c8864bf --- /dev/null +++ b/sys/opencrypto/xform_deflate.c @@ -0,0 +1,86 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <opencrypto/deflate.h> +#include <opencrypto/xform_comp.h> + +static u_int32_t deflate_compress(u_int8_t *, u_int32_t, u_int8_t **); +static u_int32_t deflate_decompress(u_int8_t *, u_int32_t, u_int8_t **); + +/* Compression instance */ +struct comp_algo comp_algo_deflate = { + CRYPTO_DEFLATE_COMP, "Deflate", + 90, deflate_compress, + deflate_decompress +}; + +/* + * And compression + */ + +static u_int32_t +deflate_compress(data, size, out) + u_int8_t *data; + u_int32_t size; + u_int8_t **out; +{ + return deflate_global(data, size, 0, out); +} + +static u_int32_t +deflate_decompress(data, size, out) + u_int8_t *data; + u_int32_t size; + u_int8_t **out; +{ + return deflate_global(data, size, 1, out); +} diff --git a/sys/opencrypto/xform_des1.c b/sys/opencrypto/xform_des1.c new file mode 100644 index 0000000..cbce5e2 --- /dev/null +++ b/sys/opencrypto/xform_des1.c @@ -0,0 +1,116 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <crypto/des/des.h> +#include <opencrypto/xform_enc.h> + +static int des1_setkey(u_int8_t **, u_int8_t *, int); +static void des1_encrypt(caddr_t, u_int8_t *); +static void des1_decrypt(caddr_t, u_int8_t *); +static void des1_zerokey(u_int8_t **); + +/* Encryption instances */ +struct enc_xform enc_xform_des = { + CRYPTO_DES_CBC, "DES", + DES_BLOCK_LEN, DES_BLOCK_LEN, DES_MIN_KEY, DES_MAX_KEY, + des1_encrypt, + des1_decrypt, + des1_setkey, + des1_zerokey, + NULL, +}; + +/* + * Encryption wrapper routines. + */ +static void +des1_encrypt(caddr_t key, u_int8_t *blk) +{ + des_cblock *cb = (des_cblock *) blk; + des_key_schedule *p = (des_key_schedule *) key; + + des_ecb_encrypt(cb, cb, p[0], DES_ENCRYPT); +} + +static void +des1_decrypt(caddr_t key, u_int8_t *blk) +{ + des_cblock *cb = (des_cblock *) blk; + des_key_schedule *p = (des_key_schedule *) key; + + des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT); +} + +static int +des1_setkey(u_int8_t **sched, u_int8_t *key, int len) +{ + des_key_schedule *p; + int err; + + p = KMALLOC(sizeof (des_key_schedule), + M_CRYPTO_DATA, M_NOWAIT|M_ZERO); + if (p != NULL) { + des_set_key((des_cblock *) key, p[0]); + err = 0; + } else + err = ENOMEM; + *sched = (u_int8_t *) p; + return err; +} + +static void +des1_zerokey(u_int8_t **sched) +{ + bzero(*sched, sizeof (des_key_schedule)); + KFREE(*sched, M_CRYPTO_DATA); + *sched = NULL; +} diff --git a/sys/opencrypto/xform_des3.c b/sys/opencrypto/xform_des3.c new file mode 100644 index 0000000..1b26b62 --- /dev/null +++ b/sys/opencrypto/xform_des3.c @@ -0,0 +1,119 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <crypto/des/des.h> +#include <opencrypto/xform_enc.h> + +static int des3_setkey(u_int8_t **, u_int8_t *, int); +static void des3_encrypt(caddr_t, u_int8_t *); +static void des3_decrypt(caddr_t, u_int8_t *); +static void des3_zerokey(u_int8_t **); + +/* Encryption instances */ +struct enc_xform enc_xform_3des = { + CRYPTO_3DES_CBC, "3DES", + DES3_BLOCK_LEN, DES3_BLOCK_LEN, TRIPLE_DES_MIN_KEY, + TRIPLE_DES_MAX_KEY, + des3_encrypt, + des3_decrypt, + des3_setkey, + des3_zerokey, + NULL, +}; + +/* + * Encryption wrapper routines. + */ +static void +des3_encrypt(caddr_t key, u_int8_t *blk) +{ + des_cblock *cb = (des_cblock *) blk; + des_key_schedule *p = (des_key_schedule *) key; + + des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_ENCRYPT); +} + +static void +des3_decrypt(caddr_t key, u_int8_t *blk) +{ + des_cblock *cb = (des_cblock *) blk; + des_key_schedule *p = (des_key_schedule *) key; + + des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_DECRYPT); +} + +static int +des3_setkey(u_int8_t **sched, u_int8_t *key, int len) +{ + des_key_schedule *p; + int err; + + p = KMALLOC(3*sizeof (des_key_schedule), + M_CRYPTO_DATA, M_NOWAIT|M_ZERO); + if (p != NULL) { + des_set_key((des_cblock *)(key + 0), p[0]); + des_set_key((des_cblock *)(key + 8), p[1]); + des_set_key((des_cblock *)(key + 16), p[2]); + err = 0; + } else + err = ENOMEM; + *sched = (u_int8_t *) p; + return err; +} + +static void +des3_zerokey(u_int8_t **sched) +{ + bzero(*sched, 3*sizeof (des_key_schedule)); + KFREE(*sched, M_CRYPTO_DATA); + *sched = NULL; +} diff --git a/sys/opencrypto/xform_enc.h b/sys/opencrypto/xform_enc.h new file mode 100644 index 0000000..7bb6a9d --- /dev/null +++ b/sys/opencrypto/xform_enc.h @@ -0,0 +1,92 @@ +/* $FreeBSD$ */ +/* $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $ */ + +/*- + * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu) + * + * This code was written by Angelos D. Keromytis in Athens, Greece, in + * February 2000. Network Security Technologies Inc. (NSTI) kindly + * supported the development of this code. + * + * Copyright (c) 2000 Angelos D. Keromytis + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software without fee + * is hereby granted, provided that this entire notice is included in + * all source code copies of any software which is or includes a copy or + * modification of this software. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#ifndef _CRYPTO_XFORM_ENC_H_ +#define _CRYPTO_XFORM_ENC_H_ + +#include <sys/malloc.h> +#include <sys/errno.h> +#include <crypto/blowfish/blowfish.h> +#include <crypto/des/des.h> +#include <crypto/rijndael/rijndael.h> +#include <crypto/camellia/camellia.h> +#include <opencrypto/cast.h> +#include <opencrypto/skipjack.h> +#include <opencrypto/cryptodev.h> +#include <opencrypto/xform_userland.h> + +#define AESICM_BLOCKSIZE AES_BLOCK_LEN +#define AES_XTS_BLOCKSIZE 16 +#define AES_XTS_IVSIZE 8 +#define AES_XTS_ALPHA 0x87 /* GF(2^128) generator polynomial */ + +/* Declarations */ +struct enc_xform { + int type; + char *name; + u_int16_t blocksize; + u_int16_t ivsize; + u_int16_t minkey, maxkey; + void (*encrypt) (caddr_t, u_int8_t *); + void (*decrypt) (caddr_t, u_int8_t *); + int (*setkey) (u_int8_t **, u_int8_t *, int len); + void (*zerokey) (u_int8_t **); + void (*reinit) (caddr_t, u_int8_t *); +}; + + +extern struct enc_xform enc_xform_null; +extern struct enc_xform enc_xform_des; +extern struct enc_xform enc_xform_3des; +extern struct enc_xform enc_xform_blf; +extern struct enc_xform enc_xform_cast5; +extern struct enc_xform enc_xform_skipjack; +extern struct enc_xform enc_xform_rijndael128; +extern struct enc_xform enc_xform_aes_icm; +extern struct enc_xform enc_xform_aes_nist_gcm; +extern struct enc_xform enc_xform_aes_nist_gmac; +extern struct enc_xform enc_xform_aes_xts; +extern struct enc_xform enc_xform_arc4; +extern struct enc_xform enc_xform_camellia; + +struct aes_icm_ctx { + u_int32_t ac_ek[4*(RIJNDAEL_MAXNR + 1)]; + /* ac_block is initalized to IV */ + u_int8_t ac_block[AESICM_BLOCKSIZE]; + int ac_nr; +}; + +struct aes_xts_ctx { + rijndael_ctx key1; + rijndael_ctx key2; + u_int8_t tweak[AES_XTS_BLOCKSIZE]; +}; + +#endif /* _CRYPTO_XFORM_ENC_H_ */ diff --git a/sys/opencrypto/xform_gmac.c b/sys/opencrypto/xform_gmac.c new file mode 100644 index 0000000..156ed7f --- /dev/null +++ b/sys/opencrypto/xform_gmac.c @@ -0,0 +1,99 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <opencrypto/gmac.h> +#include <opencrypto/xform_auth.h> + +/* Encryption instances */ +struct enc_xform enc_xform_aes_nist_gmac = { + CRYPTO_AES_NIST_GMAC, "AES-GMAC", + AES_ICM_BLOCK_LEN, AES_GCM_IV_LEN, AES_MIN_KEY, AES_MAX_KEY, + NULL, + NULL, + NULL, + NULL, + NULL, +}; + +/* Authentication instances */ +struct auth_hash auth_hash_nist_gmac_aes_128 = { + CRYPTO_AES_128_NIST_GMAC, "GMAC-AES-128", + AES_128_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx), + GMAC_BLOCK_LEN, + (void (*)(void *)) AES_GMAC_Init, + (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey, + (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit, + (int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update, + (void (*)(u_int8_t *, void *)) AES_GMAC_Final +}; + +struct auth_hash auth_hash_nist_gmac_aes_192 = { + CRYPTO_AES_192_NIST_GMAC, "GMAC-AES-192", + AES_192_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx), + GMAC_BLOCK_LEN, + (void (*)(void *)) AES_GMAC_Init, + (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey, + (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit, + (int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update, + (void (*)(u_int8_t *, void *)) AES_GMAC_Final +}; + +struct auth_hash auth_hash_nist_gmac_aes_256 = { + CRYPTO_AES_256_NIST_GMAC, "GMAC-AES-256", + AES_256_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx), + GMAC_BLOCK_LEN, + (void (*)(void *)) AES_GMAC_Init, + (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey, + (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit, + (int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update, + (void (*)(u_int8_t *, void *)) AES_GMAC_Final +}; diff --git a/sys/opencrypto/xform_md5.c b/sys/opencrypto/xform_md5.c new file mode 100644 index 0000000..3a8751d --- /dev/null +++ b/sys/opencrypto/xform_md5.c @@ -0,0 +1,81 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/md5.h> +#include <opencrypto/xform_auth.h> + +static int MD5Update_int(void *, const u_int8_t *, u_int16_t); + +/* Authentication instances */ +struct auth_hash auth_hash_hmac_md5 = { + CRYPTO_MD5_HMAC, "HMAC-MD5", + MD5_HMAC_KEY_LEN, MD5_HASH_LEN, sizeof(MD5_CTX), MD5_HMAC_BLOCK_LEN, + (void (*) (void *)) MD5Init, NULL, NULL, MD5Update_int, + (void (*) (u_int8_t *, void *)) MD5Final +}; + +struct auth_hash auth_hash_key_md5 = { + CRYPTO_MD5_KPDK, "Keyed MD5", + NULL_HMAC_KEY_LEN, MD5_KPDK_HASH_LEN, sizeof(MD5_CTX), 0, + (void (*)(void *)) MD5Init, NULL, NULL, MD5Update_int, + (void (*)(u_int8_t *, void *)) MD5Final +}; + +/* + * And now for auth. + */ +static int +MD5Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) +{ + MD5Update(ctx, buf, len); + return 0; +} diff --git a/sys/opencrypto/xform_null.c b/sys/opencrypto/xform_null.c new file mode 100644 index 0000000..74f410c --- /dev/null +++ b/sys/opencrypto/xform_null.c @@ -0,0 +1,136 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <opencrypto/xform_auth.h> +#include <opencrypto/xform_enc.h> + +static int null_setkey(u_int8_t **, u_int8_t *, int); +static void null_encrypt(caddr_t, u_int8_t *); +static void null_decrypt(caddr_t, u_int8_t *); +static void null_zerokey(u_int8_t **); + +static void null_init(void *); +static void null_reinit(void *ctx, const u_int8_t *buf, u_int16_t len); +static int null_update(void *, const u_int8_t *, u_int16_t); +static void null_final(u_int8_t *, void *); + +/* Encryption instances */ +struct enc_xform enc_xform_null = { + CRYPTO_NULL_CBC, "NULL", + /* NB: blocksize of 4 is to generate a properly aligned ESP header */ + NULL_BLOCK_LEN, 0, NULL_MIN_KEY, NULL_MAX_KEY, + null_encrypt, + null_decrypt, + null_setkey, + null_zerokey, + NULL, +}; + +/* Authentication instances */ +struct auth_hash auth_hash_null = { /* NB: context isn't used */ + CRYPTO_NULL_HMAC, "NULL-HMAC", + NULL_HMAC_KEY_LEN, NULL_HASH_LEN, sizeof(int), NULL_HMAC_BLOCK_LEN, + null_init, null_reinit, null_reinit, null_update, null_final +}; + +/* + * Encryption wrapper routines. + */ +static void +null_encrypt(caddr_t key, u_int8_t *blk) +{ +} + +static void +null_decrypt(caddr_t key, u_int8_t *blk) +{ +} + +static int +null_setkey(u_int8_t **sched, u_int8_t *key, int len) +{ + *sched = NULL; + return 0; +} + +static void +null_zerokey(u_int8_t **sched) +{ + *sched = NULL; +} + +/* + * And now for auth. + */ + +static void +null_init(void *ctx) +{ +} + +static void +null_reinit(void *ctx, const u_int8_t *buf, u_int16_t len) +{ +} + +static int +null_update(void *ctx, const u_int8_t *buf, u_int16_t len) +{ + return 0; +} + +static void +null_final(u_int8_t *buf, void *ctx) +{ + if (buf != (u_int8_t *) 0) + bzero(buf, 12); +} diff --git a/sys/opencrypto/xform_rijndael.c b/sys/opencrypto/xform_rijndael.c new file mode 100644 index 0000000..2c974f3 --- /dev/null +++ b/sys/opencrypto/xform_rijndael.c @@ -0,0 +1,113 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <crypto/rijndael/rijndael.h> +#include <opencrypto/xform_enc.h> + +static int rijndael128_setkey(u_int8_t **, u_int8_t *, int); +static void rijndael128_encrypt(caddr_t, u_int8_t *); +static void rijndael128_decrypt(caddr_t, u_int8_t *); +static void rijndael128_zerokey(u_int8_t **); + +/* Encryption instances */ +struct enc_xform enc_xform_rijndael128 = { + CRYPTO_RIJNDAEL128_CBC, "Rijndael-128/AES", + RIJNDAEL128_BLOCK_LEN, RIJNDAEL128_BLOCK_LEN, RIJNDAEL_MIN_KEY, + RIJNDAEL_MAX_KEY, + rijndael128_encrypt, + rijndael128_decrypt, + rijndael128_setkey, + rijndael128_zerokey, + NULL, +}; + +/* + * Encryption wrapper routines. + */ +static void +rijndael128_encrypt(caddr_t key, u_int8_t *blk) +{ + rijndael_encrypt((rijndael_ctx *) key, (u_char *) blk, (u_char *) blk); +} + +static void +rijndael128_decrypt(caddr_t key, u_int8_t *blk) +{ + rijndael_decrypt(((rijndael_ctx *) key), (u_char *) blk, + (u_char *) blk); +} + +static int +rijndael128_setkey(u_int8_t **sched, u_int8_t *key, int len) +{ + int err; + + if (len != 16 && len != 24 && len != 32) + return (EINVAL); + *sched = KMALLOC(sizeof(rijndael_ctx), M_CRYPTO_DATA, + M_NOWAIT|M_ZERO); + if (*sched != NULL) { + rijndael_set_key((rijndael_ctx *) *sched, (u_char *) key, + len * 8); + err = 0; + } else + err = ENOMEM; + return err; +} + +static void +rijndael128_zerokey(u_int8_t **sched) +{ + bzero(*sched, sizeof(rijndael_ctx)); + KFREE(*sched, M_CRYPTO_DATA); + *sched = NULL; +} diff --git a/sys/opencrypto/xform_rmd160.c b/sys/opencrypto/xform_rmd160.c new file mode 100644 index 0000000..4bce072 --- /dev/null +++ b/sys/opencrypto/xform_rmd160.c @@ -0,0 +1,75 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <opencrypto/rmd160.h> +#include <opencrypto/xform_auth.h> + +static int RMD160Update_int(void *, const u_int8_t *, u_int16_t); + +/* Authentication instances */ +struct auth_hash auth_hash_hmac_ripemd_160 = { + CRYPTO_RIPEMD160_HMAC, "HMAC-RIPEMD-160", + RIPEMD160_HMAC_KEY_LEN, RIPEMD160_HASH_LEN, sizeof(RMD160_CTX), + RIPEMD160_HMAC_BLOCK_LEN, + (void (*)(void *)) RMD160Init, NULL, NULL, RMD160Update_int, + (void (*)(u_int8_t *, void *)) RMD160Final +}; + +/* + * And now for auth. + */ +static int +RMD160Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) +{ + RMD160Update(ctx, buf, len); + return 0; +} diff --git a/sys/opencrypto/xform_sha1.c b/sys/opencrypto/xform_sha1.c new file mode 100644 index 0000000..29a5916 --- /dev/null +++ b/sys/opencrypto/xform_sha1.c @@ -0,0 +1,93 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <crypto/sha1.h> +#include <opencrypto/xform_auth.h> + +static void SHA1Init_int(void *); +static int SHA1Update_int(void *, const u_int8_t *, u_int16_t); +static void SHA1Final_int(u_int8_t *, void *); + +/* Authentication instances */ +struct auth_hash auth_hash_hmac_sha1 = { + CRYPTO_SHA1_HMAC, "HMAC-SHA1", + SHA1_HMAC_KEY_LEN, SHA1_HASH_LEN, sizeof(SHA1_CTX), SHA1_HMAC_BLOCK_LEN, + SHA1Init_int, NULL, NULL, SHA1Update_int, SHA1Final_int +}; + +struct auth_hash auth_hash_key_sha1 = { + CRYPTO_SHA1_KPDK, "Keyed SHA1", + NULL_HMAC_KEY_LEN, SHA1_KPDK_HASH_LEN, sizeof(SHA1_CTX), 0, + SHA1Init_int, NULL, NULL, SHA1Update_int, SHA1Final_int +}; + +/* + * And now for auth. + */ +static void +SHA1Init_int(void *ctx) +{ + SHA1Init(ctx); +} + +static int +SHA1Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) +{ + SHA1Update(ctx, buf, len); + return 0; +} + +static void +SHA1Final_int(u_int8_t *blk, void *ctx) +{ + SHA1Final(blk, ctx); +} diff --git a/sys/opencrypto/xform_sha2.c b/sys/opencrypto/xform_sha2.c new file mode 100644 index 0000000..016fd09 --- /dev/null +++ b/sys/opencrypto/xform_sha2.c @@ -0,0 +1,107 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <crypto/sha2/sha2.h> +#include <opencrypto/xform_auth.h> + +static int SHA256Update_int(void *, const u_int8_t *, u_int16_t); +static int SHA384Update_int(void *, const u_int8_t *, u_int16_t); +static int SHA512Update_int(void *, const u_int8_t *, u_int16_t); + +/* Authentication instances */ +struct auth_hash auth_hash_hmac_sha2_256 = { + CRYPTO_SHA2_256_HMAC, "HMAC-SHA2-256", + SHA2_256_HMAC_KEY_LEN, SHA2_256_HASH_LEN, sizeof(SHA256_CTX), + SHA2_256_HMAC_BLOCK_LEN, + (void (*)(void *)) SHA256_Init, NULL, NULL, SHA256Update_int, + (void (*)(u_int8_t *, void *)) SHA256_Final +}; + +struct auth_hash auth_hash_hmac_sha2_384 = { + CRYPTO_SHA2_384_HMAC, "HMAC-SHA2-384", + SHA2_384_HMAC_KEY_LEN, SHA2_384_HASH_LEN, sizeof(SHA384_CTX), + SHA2_384_HMAC_BLOCK_LEN, + (void (*)(void *)) SHA384_Init, NULL, NULL, SHA384Update_int, + (void (*)(u_int8_t *, void *)) SHA384_Final +}; + +struct auth_hash auth_hash_hmac_sha2_512 = { + CRYPTO_SHA2_512_HMAC, "HMAC-SHA2-512", + SHA2_512_HMAC_KEY_LEN, SHA2_512_HASH_LEN, sizeof(SHA512_CTX), + SHA2_512_HMAC_BLOCK_LEN, + (void (*)(void *)) SHA512_Init, NULL, NULL, SHA512Update_int, + (void (*)(u_int8_t *, void *)) SHA512_Final +}; + +/* + * And now for auth. + */ +static int +SHA256Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) +{ + SHA256_Update(ctx, buf, len); + return 0; +} + +static int +SHA384Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) +{ + SHA384_Update(ctx, buf, len); + return 0; +} + +static int +SHA512Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) +{ + SHA512_Update(ctx, buf, len); + return 0; +} diff --git a/sys/opencrypto/xform_skipjack.c b/sys/opencrypto/xform_skipjack.c new file mode 100644 index 0000000..94090d0 --- /dev/null +++ b/sys/opencrypto/xform_skipjack.c @@ -0,0 +1,117 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <opencrypto/skipjack.h> +#include <opencrypto/xform_enc.h> + +static int skipjack_setkey(u_int8_t **, u_int8_t *, int); +static void skipjack_encrypt(caddr_t, u_int8_t *); +static void skipjack_decrypt(caddr_t, u_int8_t *); +static void skipjack_zerokey(u_int8_t **); + +/* Encryption instances */ +struct enc_xform enc_xform_skipjack = { + CRYPTO_SKIPJACK_CBC, "Skipjack", + SKIPJACK_BLOCK_LEN, SKIPJACK_BLOCK_LEN, SKIPJACK_MIN_KEY, + SKIPJACK_MAX_KEY, + skipjack_encrypt, + skipjack_decrypt, skipjack_setkey, + skipjack_zerokey, + NULL, +}; + +/* + * Encryption wrapper routines. + */ +static void +skipjack_encrypt(caddr_t key, u_int8_t *blk) +{ + skipjack_forwards(blk, blk, (u_int8_t **) key); +} + +static void +skipjack_decrypt(caddr_t key, u_int8_t *blk) +{ + skipjack_backwards(blk, blk, (u_int8_t **) key); +} + +static int +skipjack_setkey(u_int8_t **sched, u_int8_t *key, int len) +{ + int err; + + /* NB: allocate all the memory that's needed at once */ + *sched = KMALLOC(10 * (sizeof(u_int8_t *) + 0x100), + M_CRYPTO_DATA, M_NOWAIT|M_ZERO); + if (*sched != NULL) { + u_int8_t** key_tables = (u_int8_t**) *sched; + u_int8_t* table = (u_int8_t*) &key_tables[10]; + int k; + + for (k = 0; k < 10; k++) { + key_tables[k] = table; + table += 0x100; + } + subkey_table_gen(key, (u_int8_t **) *sched); + err = 0; + } else + err = ENOMEM; + return err; +} + +static void +skipjack_zerokey(u_int8_t **sched) +{ + bzero(*sched, 10 * (sizeof(u_int8_t *) + 0x100)); + KFREE(*sched, M_CRYPTO_DATA); + *sched = NULL; +} diff --git a/sys/opencrypto/xform_userland.h b/sys/opencrypto/xform_userland.h new file mode 100644 index 0000000..04266dc --- /dev/null +++ b/sys/opencrypto/xform_userland.h @@ -0,0 +1,48 @@ +/*- + * Copyright (c) 2015 Allan Jude <allanjude@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _CRYPTO_XFORM_USERLAND_H_ +#define _CRYPTO_XFORM_USERLAND_H_ + +#ifdef _KERNEL +#include <sys/systm.h> +#define KMALLOC(size, type, flags) malloc(size, type, flags) +#define KFREE(ptr, type) free(ptr, type) +#else /* not _KERNEL */ +#ifdef _STAND +#include <stand.h> +#else /* !_STAND */ +#include <stdlib.h> +#include <string.h> +#endif /* _STAND */ +#define KMALLOC(size, type, flags) malloc(size) +#define KFREE(ptr, type) free(ptr) +#endif /* _KERNEL */ + + +#endif /* _CRYPTO_XFORM_USERLAND_H_ */ |