49af3a23b9
Instead of going through another layer, use OpenSSL SHA1 API directly
in the isc_iterated_hash() implementation.
(cherry picked from commit 25db8d0103)
65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#include <stdio.h>
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#include <openssl/opensslv.h>
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#include <openssl/sha.h>
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#include <isc/iterated_hash.h>
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#include <isc/thread.h>
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#include <isc/util.h>
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int
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isc_iterated_hash(unsigned char *out, const unsigned int hashalg,
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const int iterations, const unsigned char *salt,
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const int saltlength, const unsigned char *in,
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const int inlength) {
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REQUIRE(out != NULL);
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int n = 0;
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size_t len;
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const unsigned char *buf;
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SHA_CTX ctx;
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if (hashalg != 1) {
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return (0);
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}
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buf = in;
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len = inlength;
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do {
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if (SHA1_Init(&ctx) != 1) {
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return (0);
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}
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if (SHA1_Update(&ctx, buf, len) != 1) {
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return (0);
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}
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if (SHA1_Update(&ctx, salt, saltlength) != 1) {
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return (0);
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}
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if (SHA1_Final(out, &ctx) != 1) {
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return (0);
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}
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buf = out;
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len = SHA_DIGEST_LENGTH;
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} while (n++ < iterations);
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return (SHA_DIGEST_LENGTH);
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}
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