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Initialize cipher context in KRB5

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("D. Russell" <russelld@aol.net>)

Allow HMAC functions to use an alternative ENGINE.
This commit is contained in:
Dr. Stephen Henson
2002-03-14 18:22:23 +00:00
parent 1d28453529
commit de941e289e
8 changed files with 24 additions and 20 deletions
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10
crypto/hmac/hmac.c
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@@ -61,7 +61,7 @@
#include <openssl/hmac.h>
void HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
const EVP_MD *md)
const EVP_MD *md, ENGINE *impl)
{
int i,j,reset=0;
unsigned char pad[HMAC_MAX_MD_CBLOCK];
@@ -80,7 +80,7 @@ void HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
j=EVP_MD_block_size(md);
if (j < len)
{
EVP_DigestInit_ex(&ctx->md_ctx,md, NULL);
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);
@@ -99,12 +99,12 @@ 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, NULL);
EVP_DigestInit_ex(&ctx->i_ctx,md, impl);
EVP_DigestUpdate(&ctx->i_ctx,pad,EVP_MD_block_size(md));
for (i=0; i<HMAC_MAX_MD_CBLOCK; i++)
pad[i]=0x5c^ctx->key[i];
EVP_DigestInit_ex(&ctx->o_ctx,md, NULL);
EVP_DigestInit_ex(&ctx->o_ctx,md, impl);
EVP_DigestUpdate(&ctx->o_ctx,pad,EVP_MD_block_size(md));
}
EVP_MD_CTX_copy_ex(&ctx->md_ctx,&ctx->i_ctx);
@@ -115,7 +115,7 @@ void HMAC_Init(HMAC_CTX *ctx, const void *key, int len,
{
if(key && md)
HMAC_CTX_init(ctx);
HMAC_Init_ex(ctx,key,len,md);
HMAC_Init_ex(ctx,key,len,md, NULL);
}
void HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, int len)