gift-bc.h

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/*
 * Copyright (C) 2021 Southern Storm Software, Pty Ltd.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifndef LWCRYPTO_GIFT_BC_H
#define LWCRYPTO_GIFT_BC_H

#include <stddef.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#define GIFT128_KEY_SIZE 16

#define GIFT128_BLOCK_SIZE 16

typedef struct
{
    uint32_t k[80];     
} gift128_key_schedule_t;

size_t gift128_get_key_schedule_size(void);

size_t gift128_get_parallel_size(void);

void gift128_setup_key
    (gift128_key_schedule_t *ks, const unsigned char *k);

void gift128_ecb_encrypt
    (const gift128_key_schedule_t *ks, unsigned char *output,
     const unsigned char *input, size_t len);

void gift128_ecb_decrypt
    (const gift128_key_schedule_t *ks, unsigned char *output,
     const unsigned char *input, size_t len);

void gift128_le_setup_key
    (gift128_key_schedule_t *ks, const unsigned char *k);

void gift128_le_ecb_encrypt
    (const gift128_key_schedule_t *ks, unsigned char *output,
     const unsigned char *input, size_t len);

void gift128_le_ecb_decrypt
    (const gift128_key_schedule_t *ks, unsigned char *output,
     const unsigned char *input, size_t len);

void gift128b_setup_key
    (gift128_key_schedule_t *ks, const unsigned char *k);

void gift128b_ecb_encrypt
    (const gift128_key_schedule_t *ks, unsigned char *output,
     const unsigned char *input, size_t len);

void gift128b_ecb_decrypt
    (const gift128_key_schedule_t *ks, unsigned char *output,
     const unsigned char *input, size_t len);

void gift128_free_schedule(gift128_key_schedule_t *ks);

#ifdef __cplusplus
}
#endif

#endif