diff options
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/crypto/aes-i586-asm.S | 28 | ||||
| -rw-r--r-- | arch/i386/crypto/aes.c | 10 | ||||
| -rw-r--r-- | arch/i386/kernel/asm-offsets.c | 3 |
3 files changed, 22 insertions, 19 deletions
diff --git a/arch/i386/crypto/aes-i586-asm.S b/arch/i386/crypto/aes-i586-asm.S index 2851f7f..f942f0c 100644 --- a/arch/i386/crypto/aes-i586-asm.S +++ b/arch/i386/crypto/aes-i586-asm.S @@ -36,19 +36,19 @@ .file "aes-i586-asm.S" .text -#define tlen 1024 // length of each of 4 'xor' arrays (256 32-bit words) - -// offsets to parameters with one register pushed onto stack +#include <asm/asm-offsets.h> -#define in_blk 16 // input byte array address parameter -#define out_blk 12 // output byte array address parameter -#define ctx 8 // AES context structure +#define tlen 1024 // length of each of 4 'xor' arrays (256 32-bit words) -// offsets in context structure +/* offsets to parameters with one register pushed onto stack */ +#define tfm 8 +#define out_blk 12 +#define in_blk 16 -#define ekey 0 // encryption key schedule base address -#define nrnd 256 // number of rounds -#define dkey 260 // decryption key schedule base address +/* offsets in crypto_tfm structure */ +#define ekey (crypto_tfm_ctx_offset + 0) +#define nrnd (crypto_tfm_ctx_offset + 256) +#define dkey (crypto_tfm_ctx_offset + 260) // register mapping for encrypt and decrypt subroutines @@ -217,7 +217,7 @@ do_col (table, r5,r0,r1,r4, r2,r3); /* idx=r5 */ // AES (Rijndael) Encryption Subroutine -/* void aes_enc_blk(void *ctx, u8 *out_blk, const u8 *in_blk) */ +/* void aes_enc_blk(struct crypto_tfm *tfm, u8 *out_blk, const u8 *in_blk) */ .global aes_enc_blk @@ -228,7 +228,7 @@ aes_enc_blk: push %ebp - mov ctx(%esp),%ebp // pointer to context + mov tfm(%esp),%ebp // CAUTION: the order and the values used in these assigns // rely on the register mappings @@ -293,7 +293,7 @@ aes_enc_blk: ret // AES (Rijndael) Decryption Subroutine -/* void aes_dec_blk(void *ctx, u8 *out_blk, const u8 *in_blk) */ +/* void aes_dec_blk(struct crypto_tfm *tfm, u8 *out_blk, const u8 *in_blk) */ .global aes_dec_blk @@ -304,7 +304,7 @@ aes_enc_blk: aes_dec_blk: push %ebp - mov ctx(%esp),%ebp // pointer to context + mov tfm(%esp),%ebp // CAUTION: the order and the values used in these assigns // rely on the register mappings diff --git a/arch/i386/crypto/aes.c b/arch/i386/crypto/aes.c index a0e0335..b9c7d99 100644 --- a/arch/i386/crypto/aes.c +++ b/arch/i386/crypto/aes.c @@ -45,8 +45,8 @@ #include <linux/crypto.h> #include <linux/linkage.h> -asmlinkage void aes_enc_blk(void *ctx, u8 *dst, const u8 *src); -asmlinkage void aes_dec_blk(void *ctx, u8 *dst, const u8 *src); +asmlinkage void aes_enc_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src); +asmlinkage void aes_dec_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src); #define AES_MIN_KEY_SIZE 16 #define AES_MAX_KEY_SIZE 32 @@ -378,12 +378,12 @@ static void gen_tabs(void) k[8*(i)+11] = ss[3]; \ } -static int -aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, u32 *flags) +static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, + unsigned int key_len, u32 *flags) { int i; u32 ss[8]; - struct aes_ctx *ctx = ctx_arg; + struct aes_ctx *ctx = crypto_tfm_ctx(tfm); const __le32 *key = (const __le32 *)in_key; /* encryption schedule */ diff --git a/arch/i386/kernel/asm-offsets.c b/arch/i386/kernel/asm-offsets.c index 36d66e2..1c3a809 100644 --- a/arch/i386/kernel/asm-offsets.c +++ b/arch/i386/kernel/asm-offsets.c @@ -4,6 +4,7 @@ * to extract and format the required data. */ +#include <linux/crypto.h> #include <linux/sched.h> #include <linux/signal.h> #include <linux/personality.h> @@ -69,4 +70,6 @@ void foo(void) DEFINE(PAGE_SIZE_asm, PAGE_SIZE); DEFINE(VSYSCALL_BASE, __fix_to_virt(FIX_VSYSCALL)); + + OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); } |
