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| author | Jan Glauber <jang@de.ibm.com> | 2007-10-09 22:43:13 +0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:55:50 -0700 |
| commit | 5265eeb2b036835021591173ac64e624baaff55c (patch) | |
| tree | 0263f8e8db4ead27b6e02f3200e3a1305bbf2080 /crypto/sha256_generic.c | |
| parent | ad5d27899fdbe7a66e57fdf1af883dbd7ff88dac (diff) | |
| download | lwn-5265eeb2b036835021591173ac64e624baaff55c.tar.gz lwn-5265eeb2b036835021591173ac64e624baaff55c.zip | |
[CRYPTO] sha: Add header file for SHA definitions
There are currently several SHA implementations that all define their own
initialization vectors and size values. Since this values are idential
move them to a header file under include/crypto.
Signed-off-by: Jan Glauber <jang@de.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/sha256_generic.c')
| -rw-r--r-- | crypto/sha256_generic.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c index 74bf2f95f4e5..5f4332edcf6b 100644 --- a/crypto/sha256_generic.c +++ b/crypto/sha256_generic.c @@ -21,12 +21,10 @@ #include <linux/mm.h> #include <linux/crypto.h> #include <linux/types.h> +#include <crypto/sha.h> #include <asm/scatterlist.h> #include <asm/byteorder.h> -#define SHA256_DIGEST_SIZE 32 -#define SHA256_HMAC_BLOCK_SIZE 64 - struct sha256_ctx { u32 count[2]; u32 state[8]; @@ -48,15 +46,6 @@ static inline u32 Maj(u32 x, u32 y, u32 z) #define s0(x) (ror32(x, 7) ^ ror32(x,18) ^ (x >> 3)) #define s1(x) (ror32(x,17) ^ ror32(x,19) ^ (x >> 10)) -#define H0 0x6a09e667 -#define H1 0xbb67ae85 -#define H2 0x3c6ef372 -#define H3 0xa54ff53a -#define H4 0x510e527f -#define H5 0x9b05688c -#define H6 0x1f83d9ab -#define H7 0x5be0cd19 - static inline void LOAD_OP(int I, u32 *W, const u8 *input) { W[I] = __be32_to_cpu( ((__be32*)(input))[I] ); @@ -233,14 +222,14 @@ static void sha256_transform(u32 *state, const u8 *input) static void sha256_init(struct crypto_tfm *tfm) { struct sha256_ctx *sctx = crypto_tfm_ctx(tfm); - sctx->state[0] = H0; - sctx->state[1] = H1; - sctx->state[2] = H2; - sctx->state[3] = H3; - sctx->state[4] = H4; - sctx->state[5] = H5; - sctx->state[6] = H6; - sctx->state[7] = H7; + sctx->state[0] = SHA256_H0; + sctx->state[1] = SHA256_H1; + sctx->state[2] = SHA256_H2; + sctx->state[3] = SHA256_H3; + sctx->state[4] = SHA256_H4; + sctx->state[5] = SHA256_H5; + sctx->state[6] = SHA256_H6; + sctx->state[7] = SHA256_H7; sctx->count[0] = sctx->count[1] = 0; } @@ -311,7 +300,7 @@ static struct crypto_alg alg = { .cra_name = "sha256", .cra_driver_name= "sha256-generic", .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = SHA256_HMAC_BLOCK_SIZE, + .cra_blocksize = SHA256_BLOCK_SIZE, .cra_ctxsize = sizeof(struct sha256_ctx), .cra_module = THIS_MODULE, .cra_alignmask = 3, |