diff options
Diffstat (limited to 'crypto/sha1_generic.c')
| -rw-r--r-- | crypto/sha1_generic.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/crypto/sha1_generic.c b/crypto/sha1_generic.c index 0416091bf45..67f784f29ed 100644 --- a/crypto/sha1_generic.c +++ b/crypto/sha1_generic.c @@ -117,6 +117,21 @@ static int sha1_import(struct shash_desc *desc, const void *in) return 0; } +static int sha1_partial(struct shash_desc *desc, u8 *data) +{ + struct sha1_state *sctx = shash_desc_ctx(desc); + int i; + + for (i = 0; i < 5; 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 alg = { .digestsize = SHA1_DIGEST_SIZE, .init = sha1_init, @@ -124,6 +139,8 @@ static struct shash_alg alg = { .final = sha1_final, .export = sha1_export, .import = sha1_import, + .partial = sha1_partial, + .partialsize = SHA1_DIGEST_SIZE, .descsize = sizeof(struct sha1_state), .statesize = sizeof(struct sha1_state), .base = { |