ruby/ext/digest/rmd160/rmd160ossl.c

46 строки
971 B
C

/* $Id$ */
#include "rmd160ossl.h"
#include "defs.h"
#include <assert.h>
#include <stdlib.h>
#ifndef _DIAGASSERT
#define _DIAGASSERT(cond) assert(cond)
#endif
char *
RMD160_End(RMD160_CTX *ctx, char *buf)
{
size_t 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;
RMD160_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 RMD160_Equal(RMD160_CTX* pctx1, RMD160_CTX* pctx2) {
return pctx1->num == pctx2->num
&& pctx1->A == pctx2->A
&& pctx1->B == pctx2->B
&& pctx1->C == pctx2->C
&& pctx1->D == pctx2->D
&& pctx1->E == pctx2->E
&& pctx1->Nl == pctx2->Nl
&& pctx1->Nh == pctx2->Nh
&& memcmp(pctx1->data, pctx2->data, sizeof(pctx1->data)) == 0;
}