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fix hmac calls on macosx

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This commit is contained in:
Stephen Lombardo 2011-12-27 12:27:41 -05:00
parent 15118068de
commit 5d4ded1850
1 changed files with 4 additions and 4 deletions
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8
src/crypto_impl.c
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@ -395,14 +395,14 @@ int sqlcipher_page_hmac(cipher_ctx *ctx, Pgno pgno, unsigned char *in, int in_sz
HMAC_CTX hctx;
HMAC_CTX_init(&hctx);
if(!HMAC_Init_ex(&hctx, ctx->hmac_key, ctx->key_sz, EVP_sha1(), NULL)) return SQLITE_ERROR;
HMAC_Init_ex(&hctx, ctx->hmac_key, ctx->key_sz, EVP_sha1(), NULL);
/* include the encrypted page data, initialization vector, and page number in HMAC. This will
prevent both tampering with the ciphertext, manipulation of the IV, or resequencing otherwise
valid pages out of order in a database */
if(!HMAC_Update(&hctx, in, in_sz)) return SQLITE_ERROR;
if(!HMAC_Update(&hctx, (const unsigned char*) &pgno, sizeof(Pgno))) return SQLITE_ERROR;
if(!HMAC_Final(&hctx, out, NULL)) return SQLITE_ERROR;
HMAC_Update(&hctx, in, in_sz);
HMAC_Update(&hctx, (const unsigned char*) &pgno, sizeof(Pgno));
HMAC_Final(&hctx, out, NULL);
HMAC_CTX_cleanup(&hctx);
return SQLITE_OK;
}