text: /*
   * Copyright 1995-2016 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_IDEA_H
  # define HEADER_IDEA_H
  
  # include <openssl/opensslconf.h>
  
  # ifndef OPENSSL_NO_IDEA
  # ifdef  __cplusplus
  extern "C" {
  # endif
  
  typedef unsigned int IDEA_INT;
  
  # define IDEA_ENCRYPT    1
  # define IDEA_DECRYPT    0
  
  # define IDEA_BLOCK      8
  # define IDEA_KEY_LENGTH 16
  
  typedef struct idea_key_st {
      IDEA_INT data[9][6];
  } IDEA_KEY_SCHEDULE;
  
  const char *IDEA_options(void);
  void IDEA_ecb_encrypt(const unsigned char *in, unsigned char *out,
                        IDEA_KEY_SCHEDULE *ks);
  void IDEA_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks);
  void IDEA_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk);
  void IDEA_cbc_encrypt(const unsigned char *in, unsigned char *out,
                        long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
                        int enc);
  void IDEA_cfb64_encrypt(const unsigned char *in, unsigned char *out,
                          long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
                          int *num, int enc);
  void IDEA_ofb64_encrypt(const unsigned char *in, unsigned char *out,
                          long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
                          int *num);
  void IDEA_encrypt(unsigned long *in, IDEA_KEY_SCHEDULE *ks);
  
  # if OPENSSL_API_COMPAT < 0x10100000L
  #  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
  