| Index: openssl/crypto/hmac/hmac.c
|
| ===================================================================
|
| --- openssl/crypto/hmac/hmac.c (revision 105093)
|
| +++ openssl/crypto/hmac/hmac.c (working copy)
|
| @@ -61,9 +61,7 @@
|
| #include "cryptlib.h"
|
| #include <openssl/hmac.h>
|
|
|
| -#ifndef OPENSSL_FIPS
|
| -
|
| -void HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
|
| +int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
|
| const EVP_MD *md, ENGINE *impl)
|
| {
|
| int i,j,reset=0;
|
| @@ -84,10 +82,13 @@
|
| OPENSSL_assert(j <= (int)sizeof(ctx->key));
|
| if (j < len)
|
| {
|
| - EVP_DigestInit_ex(&ctx->md_ctx,md, impl);
|
| - EVP_DigestUpdate(&ctx->md_ctx,key,len);
|
| - EVP_DigestFinal_ex(&(ctx->md_ctx),ctx->key,
|
| - &ctx->key_length);
|
| + if (!EVP_DigestInit_ex(&ctx->md_ctx,md, impl))
|
| + goto err;
|
| + if (!EVP_DigestUpdate(&ctx->md_ctx,key,len))
|
| + goto err;
|
| + if (!EVP_DigestFinal_ex(&(ctx->md_ctx),ctx->key,
|
| + &ctx->key_length))
|
| + goto err;
|
| }
|
| else
|
| {
|
| @@ -104,42 +105,53 @@
|
| {
|
| for (i=0; i<HMAC_MAX_MD_CBLOCK; i++)
|
| pad[i]=0x36^ctx->key[i];
|
| - EVP_DigestInit_ex(&ctx->i_ctx,md, impl);
|
| - EVP_DigestUpdate(&ctx->i_ctx,pad,EVP_MD_block_size(md));
|
| + if (!EVP_DigestInit_ex(&ctx->i_ctx,md, impl))
|
| + goto err;
|
| + if (!EVP_DigestUpdate(&ctx->i_ctx,pad,EVP_MD_block_size(md)))
|
| + goto err;
|
|
|
| for (i=0; i<HMAC_MAX_MD_CBLOCK; i++)
|
| pad[i]=0x5c^ctx->key[i];
|
| - EVP_DigestInit_ex(&ctx->o_ctx,md, impl);
|
| - EVP_DigestUpdate(&ctx->o_ctx,pad,EVP_MD_block_size(md));
|
| + if (!EVP_DigestInit_ex(&ctx->o_ctx,md, impl))
|
| + goto err;
|
| + if (!EVP_DigestUpdate(&ctx->o_ctx,pad,EVP_MD_block_size(md)))
|
| + goto err;
|
| }
|
| - EVP_MD_CTX_copy_ex(&ctx->md_ctx,&ctx->i_ctx);
|
| + if (!EVP_MD_CTX_copy_ex(&ctx->md_ctx,&ctx->i_ctx))
|
| + goto err;
|
| + return 1;
|
| + err:
|
| + return 0;
|
| }
|
|
|
| -void HMAC_Init(HMAC_CTX *ctx, const void *key, int len,
|
| - const EVP_MD *md)
|
| +int HMAC_Init(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md)
|
| {
|
| if(key && md)
|
| HMAC_CTX_init(ctx);
|
| - HMAC_Init_ex(ctx,key,len,md, NULL);
|
| + return HMAC_Init_ex(ctx,key,len,md, NULL);
|
| }
|
|
|
| -void HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len)
|
| +int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len)
|
| {
|
| - EVP_DigestUpdate(&ctx->md_ctx,data,len);
|
| + return EVP_DigestUpdate(&ctx->md_ctx,data,len);
|
| }
|
|
|
| -void HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
|
| +int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
|
| {
|
| - int j;
|
| unsigned int i;
|
| unsigned char buf[EVP_MAX_MD_SIZE];
|
|
|
| - j=EVP_MD_block_size(ctx->md);
|
| -
|
| - EVP_DigestFinal_ex(&ctx->md_ctx,buf,&i);
|
| - EVP_MD_CTX_copy_ex(&ctx->md_ctx,&ctx->o_ctx);
|
| - EVP_DigestUpdate(&ctx->md_ctx,buf,i);
|
| - EVP_DigestFinal_ex(&ctx->md_ctx,md,len);
|
| + if (!EVP_DigestFinal_ex(&ctx->md_ctx,buf,&i))
|
| + goto err;
|
| + if (!EVP_MD_CTX_copy_ex(&ctx->md_ctx,&ctx->o_ctx))
|
| + goto err;
|
| + if (!EVP_DigestUpdate(&ctx->md_ctx,buf,i))
|
| + goto err;
|
| + if (!EVP_DigestFinal_ex(&ctx->md_ctx,md,len))
|
| + goto err;
|
| + return 1;
|
| + err:
|
| + return 0;
|
| }
|
|
|
| void HMAC_CTX_init(HMAC_CTX *ctx)
|
| @@ -149,6 +161,22 @@
|
| EVP_MD_CTX_init(&ctx->md_ctx);
|
| }
|
|
|
| +int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx)
|
| + {
|
| + if (!EVP_MD_CTX_copy(&dctx->i_ctx, &sctx->i_ctx))
|
| + goto err;
|
| + if (!EVP_MD_CTX_copy(&dctx->o_ctx, &sctx->o_ctx))
|
| + goto err;
|
| + if (!EVP_MD_CTX_copy(&dctx->md_ctx, &sctx->md_ctx))
|
| + goto err;
|
| + memcpy(dctx->key, sctx->key, HMAC_MAX_MD_CBLOCK);
|
| + dctx->key_length = sctx->key_length;
|
| + dctx->md = sctx->md;
|
| + return 1;
|
| + err:
|
| + return 0;
|
| + }
|
| +
|
| void HMAC_CTX_cleanup(HMAC_CTX *ctx)
|
| {
|
| EVP_MD_CTX_cleanup(&ctx->i_ctx);
|
| @@ -166,11 +194,16 @@
|
|
|
| if (md == NULL) md=m;
|
| HMAC_CTX_init(&c);
|
| - HMAC_Init(&c,key,key_len,evp_md);
|
| - HMAC_Update(&c,d,n);
|
| - HMAC_Final(&c,md,md_len);
|
| + if (!HMAC_Init(&c,key,key_len,evp_md))
|
| + goto err;
|
| + if (!HMAC_Update(&c,d,n))
|
| + goto err;
|
| + if (!HMAC_Final(&c,md,md_len))
|
| + goto err;
|
| HMAC_CTX_cleanup(&c);
|
| - return(md);
|
| + return md;
|
| + err:
|
| + return NULL;
|
| }
|
|
|
| void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags)
|
| @@ -179,5 +212,3 @@
|
| EVP_MD_CTX_set_flags(&ctx->o_ctx, flags);
|
| EVP_MD_CTX_set_flags(&ctx->md_ctx, flags);
|
| }
|
| -
|
| -#endif
|
|
|