2008-05-26 19:13:21 +00:00
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/* rc5.h */
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/*
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2009-02-04 13:50:15 +00:00
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This file is part of the AVR-Crypto-Lib.
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2008-05-26 19:13:21 +00:00
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Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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2008-04-13 03:05:55 +00:00
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/* rc5.h a C implementation of RC5 for AVR microcontrollers
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*
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* author: Daniel Otte
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* email: daniel.otte@rub.de
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* license: GPLv3
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*
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* this implementation is limited to 64bit blocks and a maximum of 255 rounds
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*
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*/
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#ifndef RC5_H_
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#define RC5_H_
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#include <stdint.h>
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#include <stdlib.h> /* malloc() & free() */
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#include <string.h> /* memset() & memcpy() */
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typedef struct rc5_ctx_st {
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uint8_t rounds;
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uint32_t *s;
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}rc5_ctx_t;
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void rc5_enc(void* buffer, const rc5_ctx_t* ctx);
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void rc5_dec(void* buffer, const rc5_ctx_t* ctx);
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void rc5_init(void* key, uint16_t keysize_b, uint8_t rounds, rc5_ctx_t* ctx);
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void rc5_free(rc5_ctx_t* ctx);
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#endif /*RC5_H_*/
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