From 15272ab4ed1e6250412fccd48200ed9eae59608f Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 29 Mar 2010 17:08:02 +0000 Subject: Updated to openssl 1.0.0 --- openssl/crypto/hmac/hmac.c | 90 +++++++++++++++++++++++++++++++--------------- 1 file changed, 62 insertions(+), 28 deletions(-) (limited to 'openssl/crypto/hmac/hmac.c') 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 -#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; ikey[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; ikey[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 -- cgit v1.2.3