1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
ruby--ruby/ext/digest/sha1/sha1ossl.c
knu 7a6adb8924 * ext/digest/sha1: Use OpenSSL's SHA1 engine if available. It is
much faster than what we have now (sha1.[ch]).  Add a knob
  (--with-bundled-sha1) to extconf.rb which makes it use the
  bundled one anyway.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2895 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2002-09-26 17:44:33 +00:00

45 lines
966 B
C

/* $Id$ */
#include "sha1ossl.h"
#include "defs.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;
}