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/*
 * Copyright 1995-2020 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_IDEA_H
# define OPENSSL_IDEA_H
# pragma once

# include <openssl/macros.h>
# ifndef OPENSSL_NO_DEPRECATED_3_0
#  define HEADER_IDEA_H
# endif

# include <openssl/opensslconf.h>

# ifndef OPENSSL_NO_IDEA
#  ifdef  __cplusplus
extern "C" {
#  endif

#  define IDEA_BLOCK      8
#  define IDEA_KEY_LENGTH 16

#  ifndef OPENSSL_NO_DEPRECATED_3_0

typedef unsigned int IDEA_INT;

#   define IDEA_ENCRYPT    1
#   define IDEA_DECRYPT    0

typedef struct idea_key_st {
    IDEA_INT data[9][6];
} IDEA_KEY_SCHEDULE;
#endif
#ifndef OPENSSL_NO_DEPRECATED_3_0
OSSL_DEPRECATEDIN_3_0 const char *IDEA_options(void);
OSSL_DEPRECATEDIN_3_0 void IDEA_ecb_encrypt(const unsigned char *in,
                                            unsigned char *out,
                                            IDEA_KEY_SCHEDULE *ks);
OSSL_DEPRECATEDIN_3_0 void IDEA_set_encrypt_key(const unsigned char *key,
                                                IDEA_KEY_SCHEDULE *ks);
OSSL_DEPRECATEDIN_3_0 void IDEA_set_decrypt_key(IDEA_KEY_SCHEDULE *ek,
                                                IDEA_KEY_SCHEDULE *dk);
OSSL_DEPRECATEDIN_3_0 void IDEA_cbc_encrypt(const unsigned char *in,
                                            unsigned char *out, long length,
                                            IDEA_KEY_SCHEDULE *ks,
                                            unsigned char *iv, int enc);
OSSL_DEPRECATEDIN_3_0 void IDEA_cfb64_encrypt(const unsigned char *in,
                                              unsigned char *out, long length,
                                              IDEA_KEY_SCHEDULE *ks,
                                              unsigned char *iv, int *num,
                                              int enc);
OSSL_DEPRECATEDIN_3_0 void IDEA_ofb64_encrypt(const unsigned char *in,
                                              unsigned char *out, long length,
                                              IDEA_KEY_SCHEDULE *ks,
                                              unsigned char *iv, int *num);
OSSL_DEPRECATEDIN_3_0 void IDEA_encrypt(unsigned long *in,
                                        IDEA_KEY_SCHEDULE *ks);
#endif

#  ifndef OPENSSL_NO_DEPRECATED_1_1_0
#   define idea_options          IDEA_options
#   define idea_ecb_encrypt      IDEA_ecb_encrypt
#   define idea_set_encrypt_key  IDEA_set_encrypt_key
#   define idea_set_decrypt_key  IDEA_set_decrypt_key
#   define idea_cbc_encrypt      IDEA_cbc_encrypt
#   define idea_cfb64_encrypt    IDEA_cfb64_encrypt
#   define idea_ofb64_encrypt    IDEA_ofb64_encrypt
#   define idea_encrypt          IDEA_encrypt
#  endif

#  ifdef  __cplusplus
}
#  endif
# endif

#endif