/* bcal_rc5.c */
/*
 This file is part of the AVR-Crypto-Lib.
 Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)

 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     bcal_rc5.c
 * \email    bg@nerilex.org
 * \author   Daniel Otte 
 * \date     2009-01-09
 * \license  GPLv3 or later
 * 
 */

#include <avr/pgmspace.h>
#include <stdlib.h>
#include "blockcipher_descriptor.h"
#include "rc5.h"
#include "keysize_descriptor.h"

#define RC5_ROUNDS 12

const char rc5_str[] PROGMEM = "RC5";

const uint8_t rc5_keysize_desc[] PROGMEM = { KS_TYPE_RANGE, KS_INT(1),
        KS_INT(2040),
        KS_TYPE_TERMINATOR };

static
void rc5_dummy_init(void *key, uint16_t keysize_b, void *ctx)
{
    rc5_init(key, keysize_b, RC5_ROUNDS, ctx);
}

const bcdesc_t rc5_desc PROGMEM = {
BCDESC_TYPE_BLOCKCIPHER,
BC_INIT_TYPE_2,
        rc5_str,
        sizeof(rc5_ctx_t),
        128,
        { (void_fpt) rc5_dummy_init },
        { (void_fpt) rc5_enc },
        { (void_fpt) rc5_dec },
        (bc_free_fpt) rc5_free,
        rc5_keysize_desc
};