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* Remove hash/hmac restart from crypto backend and make it part of hash/hmac final.

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Some backend implementation did reset context by default, so this
should create backend api consistent.

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@578 36d66b0a-2a48-0410-832c-cd162a569da5
This commit is contained in:
Milan Broz
2011-07-25 15:24:04 +00:00
parent 03a8ba4d17
commit 23e144daf4
9 changed files with 28 additions and 29 deletions
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7
lib/crypto_backend/crypto_nettle.c
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@@ -159,10 +159,9 @@ int crypt_hash_init(struct crypt_hash **ctx, const char *name)
return 0;
}
int crypt_hash_restart(struct crypt_hash *ctx)
static void crypt_hash_restart(struct crypt_hash *ctx)
{
ctx->hash->init(&ctx->nettle_ctx);
return 0;
}
int crypt_hash_write(struct crypt_hash *ctx, const char *buffer, size_t length)
@@ -177,6 +176,7 @@ int crypt_hash_final(struct crypt_hash *ctx, char *buffer, size_t length)
return -EINVAL;
ctx->hash->digest(&ctx->nettle_ctx, length, (uint8_t *)buffer);
crypt_hash_restart(ctx);
return 0;
}
@@ -225,7 +225,7 @@ bad:
return -EINVAL;
}
int crypt_hmac_restart(struct crypt_hmac *ctx)
static void crypt_hmac_restart(struct crypt_hmac *ctx)
{
ctx->hash->hmac_set_key(&ctx->nettle_ctx, ctx->key_length, ctx->key);
return 0;
@@ -243,6 +243,7 @@ int crypt_hmac_final(struct crypt_hmac *ctx, char *buffer, size_t length)
return -EINVAL;
ctx->hash->hmac_digest(&ctx->nettle_ctx, length, (uint8_t *)buffer);
crypt_hmac_restart(ctx);
return 0;
}