projects / u / mdw / catacomb / blame
| Commit | Line | Data |
|---|---|---|
| 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 |