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Reformat HMAC functions.

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git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@518 7dcaeef0-15fb-0310-b436-a5af3365683c
This commit is contained in:
Andreas Schneider
2009-04-17 12:03:59 +00:00
parent 42bdb90751
commit 32fd37d1ad
1 changed files with 58 additions and 47 deletions
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105
libssh/wrapper.c
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@@ -90,29 +90,33 @@ void md5_final(unsigned char *md, MD5CTX c) {
gcry_md_close(c); gcry_md_close(c);
} }
HMACCTX hmac_init(const void *key, int len,int type){ HMACCTX hmac_init(const void *key, int len, int type) {
HMACCTX c; HMACCTX c = NULL;
switch(type){
case HMAC_SHA1: switch(type) {
gcry_md_open(&c,GCRY_MD_SHA1, GCRY_MD_FLAG_HMAC); case HMAC_SHA1:
break; gcry_md_open(&c, GCRY_MD_SHA1, GCRY_MD_FLAG_HMAC);
case HMAC_MD5: break;
gcry_md_open(&c,GCRY_MD_MD5, GCRY_MD_FLAG_HMAC); case HMAC_MD5:
break; gcry_md_open(&c, GCRY_MD_MD5, GCRY_MD_FLAG_HMAC);
default: break;
c=NULL; default:
} c = NULL;
gcry_md_setkey(c,key,len); }
return c;
} gcry_md_setkey(c, key, len);
void hmac_update(HMACCTX c, const void *data, unsigned long len){
gcry_md_write(c,data,len); return c;
} }
void hmac_final(HMACCTX c,unsigned char *hashmacbuf,unsigned int *len){ void hmac_update(HMACCTX c, const void *data, unsigned long len) {
*len = gcry_md_get_algo_dlen(gcry_md_get_algo(c)); gcry_md_write(c, data, len);
memcpy(hashmacbuf, gcry_md_read(c, 0), *len); }
gcry_md_close(c);
void hmac_final(HMACCTX c, unsigned char *hashmacbuf, unsigned int *len) {
*len = gcry_md_get_algo_dlen(gcry_md_get_algo(c));
memcpy(hashmacbuf, gcry_md_read(c, 0), *len);
gcry_md_close(c);
} }
/* the wrapper functions for blowfish */ /* the wrapper functions for blowfish */
@@ -298,40 +302,47 @@ void md5_final(unsigned char *md, MD5CTX c) {
SAFE_FREE(c); SAFE_FREE(c);
} }
HMACCTX hmac_init(const void *key, int len,int type){ HMACCTX hmac_init(const void *key, int len, int type) {
HMACCTX ctx; HMACCTX ctx = NULL;
ctx = malloc(sizeof(*ctx));
if (ctx == NULL) {
return NULL;
}
ctx = malloc(sizeof(*ctx));
if (ctx == NULL) {
return NULL;
}
#ifndef OLD_CRYPTO #ifndef OLD_CRYPTO
HMAC_CTX_init(ctx); // openssl 0.9.7 requires it. HMAC_CTX_init(ctx); // openssl 0.9.7 requires it.
#endif #endif
switch(type){
case HMAC_SHA1: switch(type) {
HMAC_Init(ctx,key,len,EVP_sha1()); case HMAC_SHA1:
break; HMAC_Init(ctx, key, len, EVP_sha1());
case HMAC_MD5: break;
HMAC_Init(ctx,key,len,EVP_md5()); case HMAC_MD5:
break; HMAC_Init(ctx, key, len, EVP_md5());
default: break;
free(ctx); default:
ctx=NULL; SAFE_FREE(ctx);
} ctx = NULL;
return ctx; }
return ctx;
} }
void hmac_update(HMACCTX ctx,const void *data, unsigned long len){
HMAC_Update(ctx,data,len); void hmac_update(HMACCTX ctx, const void *data, unsigned long len) {
HMAC_Update(ctx, data, len);
} }
void hmac_final(HMACCTX ctx,unsigned char *hashmacbuf,unsigned int *len){
HMAC_Final(ctx,hashmacbuf,len); void hmac_final(HMACCTX ctx, unsigned char *hashmacbuf, unsigned int *len) {
HMAC_Final(ctx,hashmacbuf,len);
#ifndef OLD_CRYPTO #ifndef OLD_CRYPTO
HMAC_CTX_cleanup(ctx); HMAC_CTX_cleanup(ctx);
#else #else
HMAC_cleanup(ctx); HMAC_cleanup(ctx);
#endif #endif
free(ctx);
SAFE_FREE(ctx);
} }
#ifdef HAS_BLOWFISH #ifdef HAS_BLOWFISH