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5b7abbef51
3611. [bug] Improved resistance to a theoretical authentication attack based on differential timing. [RT #33939]
36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/*
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* Copyright (C) 2013 Internet Systems Consortium, Inc. ("ISC")
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id$ */
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#ifndef ISC_SAFE_H
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#define ISC_SAFE_H 1
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/*! \file isc/safe.h */
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#include <isc/types.h>
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ISC_LANG_BEGINDECLS
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isc_boolean_t
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isc_safe_memcmp(const void *s1, const void *s2, size_t n);
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/*%<
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* Clone of libc memcmp() safe to differential timing attacks.
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*/
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ISC_LANG_ENDDECLS
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#endif /* ISC_SAFE_H */
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