3 This file is part of the AVR-Crypto-Lib.
4 Copyright (C) 2008 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/>.
19 /* rc5.h a C implementation of RC5 for AVR microcontrollers
22 * email: daniel.otte@rub.de
25 * this implementation is limited to 64bit blocks and a maximum of 255 rounds
33 #include <stdlib.h> /* malloc() & free() */
34 #include <string.h> /* memset() & memcpy() */
36 typedef struct rc5_ctx_st {
41 void rc5_enc(void* buffer, const rc5_ctx_t* ctx);
42 void rc5_dec(void* buffer, const rc5_ctx_t* ctx);
43 void rc5_init(void* key, uint16_t keysize_b, uint8_t rounds, rc5_ctx_t* ctx);
44 void rc5_free(rc5_ctx_t* ctx);