YAARX: Yet Another ARX Toolkit  0.1
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bsdr.hh
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1 /*
2  * Copyright (c) 2012-2013 Luxembourg University,
3  * Laboratory of Algorithmics, Cryptology and Security (LACS).
4  *
5  * This file is part of the YAARX toolkit. YAARX stands for
6  * Yet Another ARX toolkit for analysis of ARX cryptographic algorithms.
7  *
8  * YAARX is free software: you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation, either version 3 of the License, or
11  * (at your option) any later version.
12  *
13  * YAARX is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with YAARX. If not, see <http://www.gnu.org/licenses/>.
20  */
27 #ifndef BSDR_H
28 #define BSDR_H
29 
30 // signed difference structure
31 // val == {-1,0,+1}
32 // sign == 0 if val == +1 or 0
33 // sign == 1 if val == -1
38 struct bsd_t
39 {
40  uint32_t val;
41  uint32_t sign;
42 };
43 
44 bsd_t naf(uint32_t x);
45 
46 #endif // #ifndef BSDR_H
Definition: bsdr.hh:38
bsd_t naf(uint32_t x)
Definition: bsdr.cc:41