Commit | Line | Data |
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8b3d7f30 | 1 | /* -*-c-*- |
2 | * | |
b817bfc6 | 3 | * $Id: rijndael-base.h,v 1.2 2004/04/08 01:36:15 mdw Exp $ |
8b3d7f30 | 4 | * |
5 | * Internal header for Rijndael implementation | |
6 | * | |
7 | * (c) 2001 Straylight/Edgeware | |
8 | */ | |
9 | ||
45c0fd36 | 10 | /*----- Licensing notice --------------------------------------------------* |
8b3d7f30 | 11 | * |
12 | * This file is part of Catacomb. | |
13 | * | |
14 | * Catacomb is free software; you can redistribute it and/or modify | |
15 | * it under the terms of the GNU Library General Public License as | |
16 | * published by the Free Software Foundation; either version 2 of the | |
17 | * License, or (at your option) any later version. | |
45c0fd36 | 18 | * |
8b3d7f30 | 19 | * Catacomb is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | * GNU Library General Public License for more details. | |
45c0fd36 | 23 | * |
8b3d7f30 | 24 | * You should have received a copy of the GNU Library General Public |
25 | * License along with Catacomb; if not, write to the Free | |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
27 | * MA 02111-1307, USA. | |
28 | */ | |
29 | ||
8b3d7f30 | 30 | #ifndef CATACOMB_RIJNDAEL_BASE_H |
31 | #define CATACOMB_RIJNDAEL_BASE_H | |
32 | ||
33 | #ifdef __cplusplus | |
34 | extern "C" { | |
35 | #endif | |
36 | ||
37 | /*----- Header files ------------------------------------------------------*/ | |
38 | ||
39 | #include <mLib/bits.h> | |
40 | ||
41 | /*----- Constant tables ---------------------------------------------------*/ | |
42 | ||
43 | extern const octet rijndael_s[256]; | |
44 | extern const octet rijndael_si[256]; | |
45 | extern const uint32 rijndael_t[4][256]; | |
46 | extern const uint32 rijndael_ti[4][256]; | |
47 | extern const uint32 rijndael_u[4][256]; | |
48 | extern const octet rijndael_rcon[]; | |
49 | ||
50 | #define S rijndael_s | |
51 | #define SI rijndael_si | |
52 | #define T rijndael_t | |
53 | #define TI rijndael_ti | |
54 | #define U rijndael_u | |
55 | #define RCON rijndael_rcon | |
56 | ||
57 | /*----- Handy macros ------------------------------------------------------*/ | |
58 | ||
59 | #define SUB(s, a, b, c, d) \ | |
38333dc2 | 60 | (s[U8((a) >> 24)] << 24 | s[U8((b) >> 16)] << 16 | \ |
45c0fd36 | 61 | s[U8((c) >> 8)] << 8 | s[U8((d) >> 0)] << 0) |
8b3d7f30 | 62 | |
63 | #define MIX(t, a, b, c, d) \ | |
38333dc2 MW |
64 | (t[0][U8((a) >> 24)] ^ t[1][U8((b) >> 16)] ^ \ |
65 | t[2][U8((c) >> 8)] ^ t[3][U8((d) >> 0)]) | |
8b3d7f30 | 66 | |
67 | /*----- That's all, folks -------------------------------------------------*/ | |
68 | ||
69 | #ifdef __cplusplus | |
70 | } | |
71 | #endif | |
72 | ||
73 | #endif |