camellia.h

 /**
  * @file camellia.h
  * @brief Camellia encryption algorithm
  *
  * @section License
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * Copyright (C) 2010-2019 Oryx Embedded SARL. All rights reserved.
  *
  * This file is part of CycloneCrypto Open.
  *
  * 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 1.9.6
  **/
  
 #ifndef _CAMELLIA_H
 #define _CAMELLIA_H
  
 //Dependencies
 #include "core/crypto.h"
  
 //Camellia block size
 #define CAMELLIA_BLOCK_SIZE 16
 //Common interface for encryption algorithms
 #define CAMELLIA_CIPHER_ALGO (&camelliaCipherAlgo)
  
 //C++ guard
 #ifdef __cplusplus
 extern "C" {
 #endif
  
  
 /**
  * @brief Structure describing subkey generation
  **/
  
 typedef struct
 {
    uint8_t index;
    uint8_t key;
    uint8_t shift;
    uint8_t position;
 } CamelliaSubkey;
  
  
 /**
  * @brief Camellia algorithm context
  **/
  
 typedef struct
 {
    uint_t nr;
    uint32_t k[16];
    uint32_t ks[68];
 } CamelliaContext;
  
  
 //Camellia related constants
 extern const CipherAlgo camelliaCipherAlgo;
  
 //Camellia related functions
 error_t camelliaInit(CamelliaContext *context, const uint8_t *key, size_t keyLen);
 void camelliaEncryptBlock(CamelliaContext *context, const uint8_t *input, uint8_t *output);
 void camelliaDecryptBlock(CamelliaContext *context, const uint8_t *input, uint8_t *output);
  
 //C++ guard
 #ifdef __cplusplus
 }
 #endif
  
 #endif