00001 /* 00002 * Copyright (C) 2013 Internet Systems Consortium, Inc. ("ISC") 00003 * 00004 * Permission to use, copy, modify, and/or distribute this software for any 00005 * purpose with or without fee is hereby granted, provided that the above 00006 * copyright notice and this permission notice appear in all copies. 00007 * 00008 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 00009 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 00010 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 00011 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 00012 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 00013 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 00014 * PERFORMANCE OF THIS SOFTWARE. 00015 */ 00016 00017 /* $Id$ */ 00018 00019 #ifndef ISC_SAFE_H 00020 #define ISC_SAFE_H 1 00021 00022 /*! \file isc/safe.h */ 00023 00024 #include <isc/types.h> 00025 00026 ISC_LANG_BEGINDECLS 00027 00028 isc_boolean_t 00029 isc_safe_memcmp(const void *s1, const void *s2, size_t n); 00030 /*%< 00031 * Clone of libc memcmp() safe to differential timing attacks. 00032 */ 00033 00034 ISC_LANG_ENDDECLS 00035 00036 #endif /* ISC_SAFE_H */