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