1/* memxor.h -- perform binary exclusive OR operation on memory blocks.
2 Copyright (C) 2005, 2009-2012 Free Software Foundation, Inc.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1, or (at your option)
7 any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, see <http://www.gnu.org/licenses/>. */
16
17/* Written by Simon Josefsson. The interface was inspired by memxor
18 in Niels Möller's Nettle. */
19
20#ifndef MEMXOR_H
21# define MEMXOR_H
22
23#include <stddef.h>
24
25/* Compute binary exclusive OR of memory areas DEST and SRC, putting
26 the result in DEST, of length N bytes. Returns a pointer to
27 DEST. */
28void *memxor (void *restrict dest, const void *restrict src, size_t n);
29
30#endif /* MEMXOR_H */
31