3 This file is part of the AVR-Crypto-Lib.
4 Copyright (C) 2009 Daniel Otte (daniel.otte@rub.de)
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 * \email daniel.otte@rub.de
24 * \license GPLv3 or later
25 * \brief Implementation of the Threefish block cipher
34 #define THREEFISH256_BLOCKSIZE 256
35 #define THREEFISH256_BLOCKSIZE_B ((THREEFISH256_BLOCKSIZE+7)/8)
36 #define THREEFISH512_BLOCKSIZE 512
37 #define THREEFISH512_BLOCKSIZE_B ((THREEFISH512_BLOCKSIZE+7)/8)
38 #define THREEFISH1024_BLOCKSIZE 1024
39 #define THREEFISH1024_BLOCKSIZE_B ((THREEFISH1024_BLOCKSIZE+7)/8)
41 /** \typedef threefish256_ctx_t
42 * \brief holds key data for Threefish-256
44 * A variable of this type may hold the key data for Threefish-256 encryption
52 /** \typedef threefish512_ctx_t
53 * \brief holds key data for Threefish-512
55 * A variable of this type may hold the key data for Threefish-512 encryption
63 /** \typedef threefish1024_ctx_t
64 * \brief holds key data for Threefish-1024
66 * A variable of this type may hold the key data for Threefish-1024 encryption
72 } threefish1024_ctx_t;
75 void threefish_mix(void* data, uint8_t rot);
76 void threefish_invmix(void* data, uint8_t rot);
78 void threefish256_init(const void* key, const void* tweak, threefish256_ctx_t* ctx);
79 void threefish512_init(const void* key, const void* tweak, threefish512_ctx_t* ctx);
80 void threefish1024_init(const void* key, const void* tweak, threefish1024_ctx_t* ctx);
82 void threefish256_enc(void* data, const threefish256_ctx_t* ctx);
83 void threefish512_enc(void* data, const threefish512_ctx_t* ctx);
84 void threefish1024_enc(void* data, const threefish1024_ctx_t* ctx);
86 void threefish256_dec(void* data, const threefish256_ctx_t* ctx);
87 void threefish512_dec(void* data, const threefish512_ctx_t* ctx);
88 void threefish1024_dec(void* data, const threefish1024_ctx_t* ctx);
90 #endif /* THREEFISH_H_ */