skinny-plus-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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 * DEALINGS IN THE SOFTWARE.
 */

#ifndef LWCRYPTO_SKINNY_PLUS_BC_H
#define LWCRYPTO_SKINNY_PLUS_BC_H

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

#ifdef __cplusplus
extern "C" {
#endif

#define SKINNY_128_384_PLUS_KEY_SIZE 48

#define SKINNY_128_384_PLUS_BLOCK_SIZE 16

typedef struct
{
    uint8_t TK1[16];    
    uint32_t k[160];    
} skinny_128_384_plus_key_schedule_t;

size_t skinny_128_384_plus_get_key_schedule_size(void);

size_t skinny_128_384_plus_get_parallel_size(void);

void skinny_128_384_plus_setup_key
    (skinny_128_384_plus_key_schedule_t *ks,
     const unsigned char k[SKINNY_128_384_PLUS_KEY_SIZE]);

void skinny_128_384_plus_setup_tk23
    (skinny_128_384_plus_key_schedule_t *ks, const unsigned char *tk2,
     const unsigned char *tk3);

void skinny_128_384_plus_ecb_encrypt
    (const skinny_128_384_plus_key_schedule_t *ks, unsigned char *output,
     const unsigned char *input, size_t len);

void skinny_128_384_plus_ecb_decrypt
    (const skinny_128_384_plus_key_schedule_t *ks, unsigned char *output,
     const unsigned char *input, size_t len);

void skinny_128_384_plus_ecb_encrypt_tk1
    (skinny_128_384_plus_key_schedule_t *ks, unsigned char *output,
     const unsigned char *input, const unsigned char *tk1, size_t len);

void skinny_128_384_plus_ecb_decrypt_tk1
    (skinny_128_384_plus_key_schedule_t *ks, unsigned char *output,
     const unsigned char *input, const unsigned char *tk1, size_t len);

void skinny_128_384_plus_free_schedule(skinny_128_384_plus_key_schedule_t *ks);

void skinny_128_384_plus_expand_and_encrypt
    (const unsigned char k[SKINNY_128_384_PLUS_KEY_SIZE],
     unsigned char *output, const unsigned char *input, size_t len);

void skinny_128_384_plus_expand_and_decrypt
    (const unsigned char k[SKINNY_128_384_PLUS_KEY_SIZE],
     unsigned char *output, const unsigned char *input, size_t len);

#ifdef __cplusplus
}
#endif

#endif