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