/*

 * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#ifndef HEADER_CAMELLIA_H

# define HEADER_CAMELLIA_H

# include <openssl/opensslconf.h>

# ifndef OPENSSL_NO_CAMELLIA

# include <stddef.h>

#ifdef  __cplusplus

extern "C" {

#endif

# define CAMELLIA_ENCRYPT        1

# define CAMELLIA_DECRYPT        0

/*

 * Because array size can't be a const in C, the following two are macros.

 * Both sizes are in bytes.

 */

/* This should be a hidden type, but EVP requires that the size be known */

# define CAMELLIA_BLOCK_SIZE 16

# define CAMELLIA_TABLE_BYTE_LEN 272

# define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)

typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match

                                                               * with WORD */

struct camellia_key_st {

    union {

        double d;               /* ensures 64-bit align */

        KEY_TABLE_TYPE rd_key;

    } u;

    int grand_rounds;

};

typedef struct camellia_key_st CAMELLIA_KEY;

int Camellia_set_key(const unsigned char *userKey, const int bits,

                     CAMELLIA_KEY *key);

void Camellia_encrypt(const unsigned char *in, unsigned char *out,

                      const CAMELLIA_KEY *key);

void Camellia_decrypt(const unsigned char *in, unsigned char *out,

                      const CAMELLIA_KEY *key);

void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,

                          const CAMELLIA_KEY *key, const int enc);

void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,

                          size_t length, const CAMELLIA_KEY *key,

                          unsigned char *ivec, const int enc);

void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,

                             size_t length, const CAMELLIA_KEY *key,

                             unsigned char *ivec, int *num, const int enc);

void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,

                           size_t length, const CAMELLIA_KEY *key,

                           unsigned char *ivec, int *num, const int enc);

void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,

                           size_t length, const CAMELLIA_KEY *key,

                           unsigned char *ivec, int *num, const int enc);

void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,

                             size_t length, const CAMELLIA_KEY *key,

                             unsigned char *ivec, int *num);

void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,

                             size_t length, const CAMELLIA_KEY *key,

                             unsigned char ivec[CAMELLIA_BLOCK_SIZE],

                             unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],

                             unsigned int *num);

# ifdef  __cplusplus

}

# endif

# endif

#endif