diff options
Diffstat (limited to 'crypto/sha256_generic.c')
| -rw-r--r-- | crypto/sha256_generic.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c index c48459ebf05..5868d962229 100644 --- a/crypto/sha256_generic.c +++ b/crypto/sha256_generic.c @@ -336,6 +336,20 @@ static int sha256_import(struct shash_desc *desc, const void *in) return 0; } +static int sha256_partial(struct shash_desc *desc, u8 *data) +{ + struct sha256_state *sctx = shash_desc_ctx(desc); + int i; + + for (i = 0; i < 8; i++) { + *data++ = sctx->state[i] & 0xFF; + *data++ = (sctx->state[i] >> 8) & 0xFF; + *data++ = (sctx->state[i] >> 16) & 0xFF; + *data++ = (sctx->state[i] >> 24) & 0xFF; + } + return 0; +} + static struct shash_alg sha256 = { .digestsize = SHA256_DIGEST_SIZE, .init = sha256_init, @@ -343,6 +357,8 @@ static struct shash_alg sha256 = { .final = sha256_final, .export = sha256_export, .import = sha256_import, + .partial = sha256_partial, + .partialsize = SHA256_DIGEST_SIZE, .descsize = sizeof(struct sha256_state), .statesize = sizeof(struct sha256_state), .base = { @@ -359,6 +375,8 @@ static struct shash_alg sha224 = { .init = sha224_init, .update = sha256_update, .final = sha224_final, + .partial = sha256_partial, + .partialsize = SHA256_DIGEST_SIZE, .descsize = sizeof(struct sha256_state), .base = { .cra_name = "sha224", |