diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2006-05-14 11:00:39 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2006-06-26 17:34:38 +1000 |
| commit | 8b55ba0303bb59c34fab8e015634018780491614 (patch) | |
| tree | f0b3cc55bf76febe7706dae0ee23be8bbf6ffd81 | |
| parent | e1147d8f47eb8fef93f98a30858192145137d2b2 (diff) | |
| download | linux-stable-8b55ba0303bb59c34fab8e015634018780491614.tar.gz linux-stable-8b55ba0303bb59c34fab8e015634018780491614.tar.bz2 linux-stable-8b55ba0303bb59c34fab8e015634018780491614.zip | |
[CRYPTO] aes-i586: Get rid of useless function wrappers
The wrappers aes_encrypt/aes_decrypt simply reverse the order of the
function arguments. It's just as easy to get the actual assembly code
to read them in the opposite order.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | arch/i386/crypto/aes-i586-asm.S | 9 | ||||
| -rw-r--r-- | arch/i386/crypto/aes.c | 18 |
2 files changed, 8 insertions, 19 deletions
diff --git a/arch/i386/crypto/aes-i586-asm.S b/arch/i386/crypto/aes-i586-asm.S index 911b15377f2e..2851f7fe51e6 100644 --- a/arch/i386/crypto/aes-i586-asm.S +++ b/arch/i386/crypto/aes-i586-asm.S @@ -36,16 +36,13 @@ .file "aes-i586-asm.S" .text -// aes_rval aes_enc_blk(const unsigned char in_blk[], unsigned char out_blk[], const aes_ctx cx[1])// -// aes_rval aes_dec_blk(const unsigned char in_blk[], unsigned char out_blk[], const aes_ctx cx[1])// - #define tlen 1024 // length of each of 4 'xor' arrays (256 32-bit words) // offsets to parameters with one register pushed onto stack -#define in_blk 8 // input byte array address parameter +#define in_blk 16 // input byte array address parameter #define out_blk 12 // output byte array address parameter -#define ctx 16 // AES context structure +#define ctx 8 // AES context structure // offsets in context structure @@ -220,6 +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) */ .global aes_enc_blk @@ -295,6 +293,7 @@ aes_enc_blk: ret // AES (Rijndael) Decryption Subroutine +/* void aes_dec_blk(void *ctx, u8 *out_blk, const u8 *in_blk) */ .global aes_dec_blk diff --git a/arch/i386/crypto/aes.c b/arch/i386/crypto/aes.c index a50397b1d5c7..a0e033510a3b 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(const u8 *src, u8 *dst, void *ctx); -asmlinkage void aes_dec_blk(const u8 *src, u8 *dst, void *ctx); +asmlinkage void aes_enc_blk(void *ctx, u8 *dst, const u8 *src); +asmlinkage void aes_dec_blk(void *ctx, u8 *dst, const u8 *src); #define AES_MIN_KEY_SIZE 16 #define AES_MAX_KEY_SIZE 32 @@ -464,16 +464,6 @@ aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, u32 *flags) return 0; } -static inline void aes_encrypt(void *ctx, u8 *dst, const u8 *src) -{ - aes_enc_blk(src, dst, ctx); -} -static inline void aes_decrypt(void *ctx, u8 *dst, const u8 *src) -{ - aes_dec_blk(src, dst, ctx); -} - - static struct crypto_alg aes_alg = { .cra_name = "aes", .cra_driver_name = "aes-i586", @@ -488,8 +478,8 @@ static struct crypto_alg aes_alg = { .cia_min_keysize = AES_MIN_KEY_SIZE, .cia_max_keysize = AES_MAX_KEY_SIZE, .cia_setkey = aes_set_key, - .cia_encrypt = aes_encrypt, - .cia_decrypt = aes_decrypt + .cia_encrypt = aes_enc_blk, + .cia_decrypt = aes_dec_blk } } }; |