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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#include "config.h"
#include <stdio.h>
#include <isc/sha1.h>
#include <isc/iterated_hash.h>
int
isc_iterated_hash(unsigned char out[ISC_SHA1_DIGESTLENGTH],
unsigned int hashalg, int iterations,
const unsigned char *salt, int saltlength,
const unsigned char *in, int inlength)
{
isc_sha1_t ctx;
int n = 0;
if (hashalg != 1)
return (0);
do {
isc_sha1_init(&ctx);
isc_sha1_update(&ctx, in, inlength);
isc_sha1_update(&ctx, salt, saltlength);
isc_sha1_final(&ctx, out);
in = out;
inlength = ISC_SHA1_DIGESTLENGTH;
} while (n++ < iterations);
return (ISC_SHA1_DIGESTLENGTH);
}
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