/*

 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (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 OPENSSL_RC5_H

# define OPENSSL_RC5_H

# pragma once

# include <openssl/macros.h>

# ifndef OPENSSL_NO_DEPRECATED_3_0

#  define HEADER_RC5_H

# endif

# include <openssl/opensslconf.h>

# ifndef OPENSSL_NO_RC5

#  ifdef  __cplusplus

extern "C" {

#  endif

#  define RC5_32_BLOCK            8

#  define RC5_32_KEY_LENGTH       16/* This is a default, max is 255 */

#  ifndef OPENSSL_NO_DEPRECATED_3_0

#   define RC5_ENCRYPT     1

#   define RC5_DECRYPT     0

#   define RC5_32_INT unsigned int

/*

 * This are the only values supported.  Tweak the code if you want more The

 * most supported modes will be RC5-32/12/16 RC5-32/16/8

 */

#   define RC5_8_ROUNDS    8

#   define RC5_12_ROUNDS   12

#   define RC5_16_ROUNDS   16

typedef struct rc5_key_st {

    /* Number of rounds */

    int rounds;

    RC5_32_INT data[2 * (RC5_16_ROUNDS + 1)];

} RC5_32_KEY;

#  endif

DEPRECATEDIN_3_0(int RC5_32_set_key(RC5_32_KEY *key, int len,

                                    const unsigned char *data, int rounds))

DEPRECATEDIN_3_0(void RC5_32_ecb_encrypt(const unsigned char *in,

                                         unsigned char *out, RC5_32_KEY *key,

                                         int enc))

DEPRECATEDIN_3_0(void RC5_32_encrypt(unsigned long *data, RC5_32_KEY *key))

DEPRECATEDIN_3_0(void RC5_32_decrypt(unsigned long *data, RC5_32_KEY *key))

DEPRECATEDIN_3_0(void RC5_32_cbc_encrypt(const unsigned char *in,

                                         unsigned char *out, long length,

                                         RC5_32_KEY *ks, unsigned char *iv,

                                         int enc))

DEPRECATEDIN_3_0(void RC5_32_cfb64_encrypt(const unsigned char *in,

                                           unsigned char *out, long length,

                                           RC5_32_KEY *schedule,

                                           unsigned char *ivec, int *num,

                                           int enc))

DEPRECATEDIN_3_0(void RC5_32_ofb64_encrypt(const unsigned char *in,

                                           unsigned char *out, long length,

                                           RC5_32_KEY *schedule,

                                           unsigned char *ivec, int *num))

#  ifdef  __cplusplus

}

#  endif

# endif

#endif