/*

 * Copyright 2007-2016 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

 */

/*

 * Copyright (c) 2007 KISA(Korea Information Security Agency). All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Neither the name of author nor the names of its contributors may

 *    be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 */

#ifndef HEADER_SEED_H

# define HEADER_SEED_H

# include <openssl/opensslconf.h>

# ifndef OPENSSL_NO_SEED

# include <openssl/e_os2.h>

# include <openssl/crypto.h>

#ifdef  __cplusplus

extern "C" {

#endif

/* look whether we need 'long' to get 32 bits */

# ifdef AES_LONG

#  ifndef SEED_LONG

#   define SEED_LONG 1

#  endif

# endif

# include <sys/types.h>

# define SEED_BLOCK_SIZE 16

# define SEED_KEY_LENGTH 16

typedef struct seed_key_st {

# ifdef SEED_LONG

    unsigned long data[32];

# else

    unsigned int data[32];

# endif

} SEED_KEY_SCHEDULE;

void SEED_set_key(const unsigned char rawkey[SEED_KEY_LENGTH],

                  SEED_KEY_SCHEDULE *ks);

void SEED_encrypt(const unsigned char s[SEED_BLOCK_SIZE],

                  unsigned char d[SEED_BLOCK_SIZE],

                  const SEED_KEY_SCHEDULE *ks);

void SEED_decrypt(const unsigned char s[SEED_BLOCK_SIZE],

                  unsigned char d[SEED_BLOCK_SIZE],

                  const SEED_KEY_SCHEDULE *ks);

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

                      const SEED_KEY_SCHEDULE *ks, int enc);

void SEED_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t len,

                      const SEED_KEY_SCHEDULE *ks,

                      unsigned char ivec[SEED_BLOCK_SIZE], int enc);

void SEED_cfb128_encrypt(const unsigned char *in, unsigned char *out,

                         size_t len, const SEED_KEY_SCHEDULE *ks,

                         unsigned char ivec[SEED_BLOCK_SIZE], int *num,

                         int enc);

void SEED_ofb128_encrypt(const unsigned char *in, unsigned char *out,

                         size_t len, const SEED_KEY_SCHEDULE *ks,

                         unsigned char ivec[SEED_BLOCK_SIZE], int *num);

# ifdef  __cplusplus

}

# endif

# endif

#endif