/**
 * @file siv.h
 * @brief Synthetic Initialization Vector (SIV)
 *
 * @section License
 *
 * Copyright (C) 2021-2026 Oryx Embedded SARL. All rights reserved.
 *
 * This file is part of CycloneCRYPTO Open
 * 
 * SPDX-License-Identifier: GPL-2.0-or-later
 *
 * 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 2
 * 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, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 *
 * @author Oryx Embedded SARL (www.oryx-embedded.com)
 * @version 2.6.0
 **/

#ifndef _SIV_H
#define _SIV_H

//Dependencies
#include "core/crypto.h"

//Size of the synthetic initialization vector
#define SIV_IV_LEN 16

//C++ guard
#ifdef __cplusplus
extern "C" {
#endif

//SIV related functions
error_t sivEncrypt(const CipherAlgo *cipher, const uint8_t *k, size_t kLen,
   const DataChunk *ad, uint_t adLen, const uint8_t *p, uint8_t *c,
   size_t length, uint8_t *v);

error_t sivDecrypt(const CipherAlgo *cipher, const uint8_t *k, size_t kLen,
   const DataChunk *ad, uint_t adLen, const uint8_t *c, uint8_t *p,
   size_t length, const uint8_t *v);

void s2v(const CipherAlgo *cipher, const uint8_t *k, size_t kLen,
   const DataChunk *ad, uint_t adLen, const uint8_t *p, size_t pLen,
   uint8_t *v);

//C++ guard
#ifdef __cplusplus
}
#endif

#endif
