/* scal_grain.c */
/*
    This file is part of the AVR-Crypto-Lib.
    Copyright (C) 2011  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/>.
*/

#include <stdlib.h>
#include <avr/pgmspace.h>
#include <stdint.h>
#include "streamcipher_descriptor.h"
#include "keysize_descriptor.h"

#include "grain.h"

const char grain_str[]   PROGMEM = "Grain";

const uint8_t grain_keysize_desc[] PROGMEM = {
		KS_TYPE_LIST, 1, KS_INT(80),
	    KS_TYPE_TERMINATOR   };

const uint8_t grain_ivsize_desc[] PROGMEM = {
		KS_TYPE_LIST, 1, KS_INT(64),
        KS_TYPE_TERMINATOR   };

const scdesc_t grain_desc PROGMEM = {
		SCDESC_TYPE_STREAMCIPHER,     /* abstraction layer type designator */
		SC_INIT_TYPE_2|SC_GEN_TYPE_1, /* flags*/
		grain_str,                    /* name string pointer */
		sizeof(grain_ctx_t),          /* size of context */
		8,                            /* blocksize */
		{(void_fpt)grain_init},       /* init function pointer */
		{(void_fpt)grain_getbyte},    /* key stream generator function pointer */
		{(void_fpt)NULL},             /* key stream generator for random access function pointer */
		(sc_free_fpt)NULL,	          /* free function pointer */
		grain_keysize_desc,           /* key size descriptor pointer */
		grain_ivsize_desc             /* iv size descriptor pointer */
};