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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 | |
parent | ad5d27899fdbe7a66e57fdf1af883dbd7ff88dac (diff) | |
download | kernel_samsung_tuna-5265eeb2b036835021591173ac64e624baaff55c.zip kernel_samsung_tuna-5265eeb2b036835021591173ac64e624baaff55c.tar.gz kernel_samsung_tuna-5265eeb2b036835021591173ac64e624baaff55c.tar.bz2 |
[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')
-rw-r--r-- | crypto/sha1_generic.c | 8 | ||||
-rw-r--r-- | crypto/sha256_generic.c | 31 | ||||
-rw-r--r-- | crypto/sha512.c | 63 |
3 files changed, 32 insertions, 70 deletions
diff --git a/crypto/sha1_generic.c b/crypto/sha1_generic.c index 70364dd..48a3c3e 100644 --- a/crypto/sha1_generic.c +++ b/crypto/sha1_generic.c @@ -22,12 +22,10 @@ #include <linux/crypto.h> #include <linux/cryptohash.h> #include <linux/types.h> +#include <crypto/sha.h> #include <asm/scatterlist.h> #include <asm/byteorder.h> -#define SHA1_DIGEST_SIZE 20 -#define SHA1_HMAC_BLOCK_SIZE 64 - struct sha1_ctx { u64 count; u32 state[5]; @@ -39,7 +37,7 @@ static void sha1_init(struct crypto_tfm *tfm) struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); static const struct sha1_ctx initstate = { 0, - { 0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0 }, + { SHA1_H0, SHA1_H1, SHA1_H2, SHA1_H3, SHA1_H4 }, { 0, } }; @@ -111,7 +109,7 @@ static struct crypto_alg alg = { .cra_name = "sha1", .cra_driver_name= "sha1-generic", .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = SHA1_HMAC_BLOCK_SIZE, + .cra_blocksize = SHA1_BLOCK_SIZE, .cra_ctxsize = sizeof(struct sha1_ctx), .cra_module = THIS_MODULE, .cra_alignmask = 3, diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c index 74bf2f9..5f4332e 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, diff --git a/crypto/sha512.c b/crypto/sha512.c index 15eab9d..e736596 100644 --- a/crypto/sha512.c +++ b/crypto/sha512.c @@ -13,20 +13,15 @@ #include <linux/kernel.h> #include <linux/module.h> - #include <linux/mm.h> #include <linux/init.h> #include <linux/crypto.h> #include <linux/types.h> +#include <crypto/sha.h> #include <asm/scatterlist.h> #include <asm/byteorder.h> -#define SHA384_DIGEST_SIZE 48 -#define SHA512_DIGEST_SIZE 64 -#define SHA384_HMAC_BLOCK_SIZE 128 -#define SHA512_HMAC_BLOCK_SIZE 128 - struct sha512_ctx { u64 state[8]; u32 count[4]; @@ -84,26 +79,6 @@ static const u64 sha512_K[80] = { #define s0(x) (RORu64(x, 1) ^ RORu64(x, 8) ^ (x >> 7)) #define s1(x) (RORu64(x,19) ^ RORu64(x,61) ^ (x >> 6)) -/* H* initial state for SHA-512 */ -#define H0 0x6a09e667f3bcc908ULL -#define H1 0xbb67ae8584caa73bULL -#define H2 0x3c6ef372fe94f82bULL -#define H3 0xa54ff53a5f1d36f1ULL -#define H4 0x510e527fade682d1ULL -#define H5 0x9b05688c2b3e6c1fULL -#define H6 0x1f83d9abfb41bd6bULL -#define H7 0x5be0cd19137e2179ULL - -/* H'* initial state for SHA-384 */ -#define HP0 0xcbbb9d5dc1059ed8ULL -#define HP1 0x629a292a367cd507ULL -#define HP2 0x9159015a3070dd17ULL -#define HP3 0x152fecd8f70e5939ULL -#define HP4 0x67332667ffc00b31ULL -#define HP5 0x8eb44a8768581511ULL -#define HP6 0xdb0c2e0d64f98fa7ULL -#define HP7 0x47b5481dbefa4fa4ULL - static inline void LOAD_OP(int I, u64 *W, const u8 *input) { W[I] = __be64_to_cpu( ((__be64*)(input))[I] ); @@ -164,14 +139,14 @@ static void sha512_init(struct crypto_tfm *tfm) { struct sha512_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] = SHA512_H0; + sctx->state[1] = SHA512_H1; + sctx->state[2] = SHA512_H2; + sctx->state[3] = SHA512_H3; + sctx->state[4] = SHA512_H4; + sctx->state[5] = SHA512_H5; + sctx->state[6] = SHA512_H6; + sctx->state[7] = SHA512_H7; sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0; } @@ -179,14 +154,14 @@ static void sha384_init(struct crypto_tfm *tfm) { struct sha512_ctx *sctx = crypto_tfm_ctx(tfm); - sctx->state[0] = HP0; - sctx->state[1] = HP1; - sctx->state[2] = HP2; - sctx->state[3] = HP3; - sctx->state[4] = HP4; - sctx->state[5] = HP5; - sctx->state[6] = HP6; - sctx->state[7] = HP7; + sctx->state[0] = SHA384_H0; + sctx->state[1] = SHA384_H1; + sctx->state[2] = SHA384_H2; + sctx->state[3] = SHA384_H3; + sctx->state[4] = SHA384_H4; + sctx->state[5] = SHA384_H5; + sctx->state[6] = SHA384_H6; + sctx->state[7] = SHA384_H7; sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0; } @@ -275,7 +250,7 @@ static void sha384_final(struct crypto_tfm *tfm, u8 *hash) static struct crypto_alg sha512 = { .cra_name = "sha512", .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = SHA512_HMAC_BLOCK_SIZE, + .cra_blocksize = SHA512_BLOCK_SIZE, .cra_ctxsize = sizeof(struct sha512_ctx), .cra_module = THIS_MODULE, .cra_alignmask = 3, @@ -291,7 +266,7 @@ static struct crypto_alg sha512 = { static struct crypto_alg sha384 = { .cra_name = "sha384", .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = SHA384_HMAC_BLOCK_SIZE, + .cra_blocksize = SHA384_BLOCK_SIZE, .cra_ctxsize = sizeof(struct sha512_ctx), .cra_alignmask = 3, .cra_module = THIS_MODULE, |