xref: /netbsd-src/external/mpl/bind/dist/lib/isc/safe.c (revision d16b7486a53dcb8072b60ec6fcb4373a2d0c27b7)
1 /*	$NetBSD: safe.c,v 1.6 2022/09/23 12:15:33 christos Exp $	*/
2 
3 /*
4  * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
5  *
6  * SPDX-License-Identifier: MPL-2.0
7  *
8  * This Source Code Form is subject to the terms of the Mozilla Public
9  * License, v. 2.0. If a copy of the MPL was not distributed with this
10  * file, you can obtain one at https://mozilla.org/MPL/2.0/.
11  *
12  * See the COPYRIGHT file distributed with this work for additional
13  * information regarding copyright ownership.
14  */
15 
16 #include <openssl/crypto.h>
17 
18 #include <isc/safe.h>
19 
20 int
21 isc_safe_memequal(const void *s1, const void *s2, size_t len) {
22 	return (!CRYPTO_memcmp(s1, s2, len));
23 }
24 
25 void
26 isc_safe_memwipe(void *ptr, size_t len) {
27 	OPENSSL_cleanse(ptr, len);
28 }
29