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/*
* This file is part of the SSH Library
*
* Copyright (c) 2020 by Anderson Toshiyuki Sasaki - Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "libssh/crypto.h"
int secure_memcmp(const void *s1, const void *s2, size_t n)
{
size_t i;
uint8_t status = 0;
const uint8_t *p1 = s1;
const uint8_t *p2 = s2;
for (i = 0; i < n; i++) {
status |= (p1[i] ^ p2[i]);
}
return (status != 0);
}
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