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authormarha <marha@users.sourceforge.net>2010-03-29 17:08:02 +0000
committermarha <marha@users.sourceforge.net>2010-03-29 17:08:02 +0000
commit15272ab4ed1e6250412fccd48200ed9eae59608f (patch)
treea5996ea67966a778a16565f19dfc2e7c7f49b376 /openssl/crypto/hmac/hmac.c
parent3827301b2ea5a45ac009c3bf9f08586ff40b8506 (diff)
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Updated to openssl 1.0.0
Diffstat (limited to 'openssl/crypto/hmac/hmac.c')
-rw-r--r--openssl/crypto/hmac/hmac.c90
1 files changed, 62 insertions, 28 deletions
diff --git a/openssl/crypto/hmac/hmac.c b/openssl/crypto/hmac/hmac.c
index cbc1c76a5..45015fe75 100644
--- a/openssl/crypto/hmac/hmac.c
+++ b/openssl/crypto/hmac/hmac.c
@@ -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 @@ void HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
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
{
@@ -104,31 +105,38 @@ void HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
{
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;
@@ -136,10 +144,17 @@ void HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
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 +164,22 @@ void HMAC_CTX_init(HMAC_CTX *ctx)
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 +197,16 @@ unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
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 +215,3 @@ void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags)
EVP_MD_CTX_set_flags(&ctx->o_ctx, flags);
EVP_MD_CTX_set_flags(&ctx->md_ctx, flags);
}
-
-#endif