37 lines
776 B
C
37 lines
776 B
C
/*
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* Copyright (C) 2013, 2015, 2016 Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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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_memequal(const void *s1, const void *s2, size_t n);
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/*%<
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* Returns ISC_TRUE iff. two blocks of memory are equal, otherwise
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* ISC_FALSE.
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*
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*/
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int
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isc_safe_memcompare(const void *b1, const void *b2, size_t len);
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/*%<
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* Clone of libc memcmp() which is 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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