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- /* rc6.h */
- /*
- This file is part of the ARM-Crypto-Lib.
- Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- /*
- * File: rc6.h
- * Author: Daniel Otte
- * Date: 06.08.2006
- * License: GPL
- * Description: Implementation of the RC6 cipher algorithm.
- * This implementation is restricted to 32-bit words, but free in the choice of number of rounds (0 to 255).
- * so it is RC6-32/r/b
- */
- #ifndef RC6_H_
- #define RC6_H_
-
- #include <stdint.h>
-
- typedef struct rc6_ctx_st{
- uint8_t rounds; /* specifies the number of rounds; default: 20 */
- uint32_t* S; /* the round-keys */
- } rc6_ctx_t;
-
-
- void rc6_init(const void* key, uint16_t keylength_b, rc6_ctx_t *s);
-
- uint8_t rc6_initl(const void* key, uint16_t keylength_b, uint8_t rounds, rc6_ctx_t *s);
-
- void rc6_enc(void* block, rc6_ctx_t *s);
- void rc6_dec(void* block, rc6_ctx_t *s);
-
- void rc6_free(rc6_ctx_t *s);
- #endif /* RC6_H_ */
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