/usr/include/bind-export/isc/safe.h is in libbind-export-dev 1:9.10.3.dfsg.P4-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | /*
* Copyright (C) 2013, 2015 Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id$ */
#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 */
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