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/* $Id: sha1ossl.c,v 1.1.2.1 2006/08/07 09:01:27 matz Exp $ */
#include "defs.h"
#include "sha1ossl.h"
#include <assert.h>
#include <stdlib.h>
#ifndef _DIAGASSERT
#define _DIAGASSERT(cond) assert(cond)
#endif
char *
SHA1_End(SHA1_CTX *ctx, char *buf)
{
int i;
char *p = buf;
uint8_t digest[20];
static const char hex[]="0123456789abcdef";
_DIAGASSERT(ctx != NULL);
/* buf may be NULL */
if (p == NULL && (p = malloc(41)) == NULL)
return 0;
SHA1_Final(digest,ctx);
for (i = 0; i < 20; i++) {
p[i + i] = hex[((uint32_t)digest[i]) >> 4];
p[i + i + 1] = hex[digest[i] & 0x0f];
}
p[i + i] = '\0';
return(p);
}
int SHA1_Equal(SHA1_CTX* pctx1, SHA1_CTX* pctx2) {
return pctx1->num == pctx2->num
&& pctx1->h0 == pctx2->h0
&& pctx1->h1 == pctx2->h1
&& pctx1->h2 == pctx2->h2
&& pctx1->h3 == pctx2->h3
&& pctx1->h4 == pctx2->h4
&& pctx1->Nl == pctx2->Nl
&& pctx1->Nh == pctx2->Nh
&& memcmp(pctx1->data, pctx2->data, sizeof(pctx1->data)) == 0;
}
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