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bind9/lib/isc/include/isc/safe.h
T

37 lines
776 B
C

/*
* Copyright (C) 2013, 2015, 2016 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/.
*/
/* $Id$ */
#ifndef ISC_SAFE_H
#define ISC_SAFE_H 1
/*! \file isc/safe.h */
#include <isc/types.h>
ISC_LANG_BEGINDECLS
isc_boolean_t
isc_safe_memequal(const void *s1, const void *s2, size_t n);
/*%<
* Returns ISC_TRUE iff. two blocks of memory are equal, otherwise
* ISC_FALSE.
*
*/
int
isc_safe_memcompare(const void *b1, const void *b2, size_t len);
/*%<
* Clone of libc memcmp() which is safe to differential timing attacks.
*/
ISC_LANG_ENDDECLS
#endif /* ISC_SAFE_H */