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| author | Tim Chen <tim.c.chen@linux.intel.com> | 2013-03-26 13:59:25 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-04-25 21:00:57 +0800 |
| commit | bf70fa9d9ee07aa175453b19a39b2b9dab602d97 (patch) | |
| tree | 7c7250c9c11db90a4fc096900276b186bf50ead1 | |
| parent | 8275d1aa642295edd34a11a117080384bb9d65c2 (diff) | |
| download | linux-stable-bf70fa9d9ee07aa175453b19a39b2b9dab602d97.tar.gz linux-stable-bf70fa9d9ee07aa175453b19a39b2b9dab602d97.tar.bz2 linux-stable-bf70fa9d9ee07aa175453b19a39b2b9dab602d97.zip | |
crypto: sha512 - Expose generic sha512 routine to be callable from other modules
Other SHA512 routines may need to use the generic routine when
FPU is not available.
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/sha512_generic.c | 13 | ||||
| -rw-r--r-- | include/crypto/sha.h | 3 |
2 files changed, 10 insertions, 6 deletions
diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c index 71fcf361102d..4c5862095679 100644 --- a/crypto/sha512_generic.c +++ b/crypto/sha512_generic.c @@ -163,8 +163,8 @@ sha384_init(struct shash_desc *desc) return 0; } -static int -sha512_update(struct shash_desc *desc, const u8 *data, unsigned int len) +int crypto_sha512_update(struct shash_desc *desc, const u8 *data, + unsigned int len) { struct sha512_state *sctx = shash_desc_ctx(desc); @@ -197,6 +197,7 @@ sha512_update(struct shash_desc *desc, const u8 *data, unsigned int len) return 0; } +EXPORT_SYMBOL(crypto_sha512_update); static int sha512_final(struct shash_desc *desc, u8 *hash) @@ -215,10 +216,10 @@ sha512_final(struct shash_desc *desc, u8 *hash) /* Pad out to 112 mod 128. */ index = sctx->count[0] & 0x7f; pad_len = (index < 112) ? (112 - index) : ((128+112) - index); - sha512_update(desc, padding, pad_len); + crypto_sha512_update(desc, padding, pad_len); /* Append length (before padding) */ - sha512_update(desc, (const u8 *)bits, sizeof(bits)); + crypto_sha512_update(desc, (const u8 *)bits, sizeof(bits)); /* Store state in digest */ for (i = 0; i < 8; i++) @@ -245,7 +246,7 @@ static int sha384_final(struct shash_desc *desc, u8 *hash) static struct shash_alg sha512_algs[2] = { { .digestsize = SHA512_DIGEST_SIZE, .init = sha512_init, - .update = sha512_update, + .update = crypto_sha512_update, .final = sha512_final, .descsize = sizeof(struct sha512_state), .base = { @@ -257,7 +258,7 @@ static struct shash_alg sha512_algs[2] = { { }, { .digestsize = SHA384_DIGEST_SIZE, .init = sha384_init, - .update = sha512_update, + .update = crypto_sha512_update, .final = sha384_final, .descsize = sizeof(struct sha512_state), .base = { diff --git a/include/crypto/sha.h b/include/crypto/sha.h index f46ff61e3780..190f8a0e0242 100644 --- a/include/crypto/sha.h +++ b/include/crypto/sha.h @@ -89,4 +89,7 @@ extern int crypto_sha1_update(struct shash_desc *desc, const u8 *data, extern int crypto_sha256_update(struct shash_desc *desc, const u8 *data, unsigned int len); + +extern int crypto_sha512_update(struct shash_desc *desc, const u8 *data, + unsigned int len); #endif |