/* bcal-cbc.h */
/*
 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/>.
 */

#ifndef BCALCFB_BYTE_H_
#define BCALCFB_BYTE_H_

#include <stdint.h>
#include "bcal-basic.h"
#include "blockcipher_descriptor.h"

typedef struct {
    bcdesc_t* desc;
    bcgen_ctx_t cctx;
    uint8_t* in_block;
    uint8_t blocksize_B;
    uint8_t size_B;
} bcal_cfb_B_ctx_t;

uint8_t bcal_cfb_B_init(const bcdesc_t *desc, const void *key,
        uint16_t keysize_b, uint16_t size_b, bcal_cfb_B_ctx_t *ctx);
void bcal_cfb_B_free(bcal_cfb_B_ctx_t *ctx);
void bcal_cfb_B_loadIV(const void *iv, bcal_cfb_B_ctx_t *ctx);
void bcal_cfb_B_encNext(void *block, bcal_cfb_B_ctx_t *ctx);
void bcal_cfb_B_decNext(void *block, bcal_cfb_B_ctx_t *ctx);
void bcal_cfb_B_encMsg(const void *iv, void *msg, uint16_t msg_blocks,
        bcal_cfb_B_ctx_t *ctx);
void bcal_cfb_B_decMsg(const void *iv, void *msg, uint16_t msg_blocks,
        bcal_cfb_B_ctx_t *ctx);

#endif /* BCALCFB_BYTE_H_ */