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      1 /*
      2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
      3  *
      4  * Licensed under the OpenSSL license (the "License").  You may not use
      5  * this file except in compliance with the License.  You can obtain a copy
      6  * in the file LICENSE in the source distribution or at
      7  * https://www.openssl.org/source/license.html
      8  */
      9 
     10 #ifndef HEADER_IDEA_H
     11 # define HEADER_IDEA_H
     12 
     13 # include <openssl/opensslconf.h>
     14 
     15 # ifndef OPENSSL_NO_IDEA
     16 # ifdef  __cplusplus
     17 extern "C" {
     18 # endif
     19 
     20 typedef unsigned int IDEA_INT;
     21 
     22 # define IDEA_ENCRYPT    1
     23 # define IDEA_DECRYPT    0
     24 
     25 # define IDEA_BLOCK      8
     26 # define IDEA_KEY_LENGTH 16
     27 
     28 typedef struct idea_key_st {
     29     IDEA_INT data[9][6];
     30 } IDEA_KEY_SCHEDULE;
     31 
     32 const char *IDEA_options(void);
     33 void IDEA_ecb_encrypt(const unsigned char *in, unsigned char *out,
     34                       IDEA_KEY_SCHEDULE *ks);
     35 void IDEA_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks);
     36 void IDEA_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk);
     37 void IDEA_cbc_encrypt(const unsigned char *in, unsigned char *out,
     38                       long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
     39                       int enc);
     40 void IDEA_cfb64_encrypt(const unsigned char *in, unsigned char *out,
     41                         long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
     42                         int *num, int enc);
     43 void IDEA_ofb64_encrypt(const unsigned char *in, unsigned char *out,
     44                         long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
     45                         int *num);
     46 void IDEA_encrypt(unsigned int *in, IDEA_KEY_SCHEDULE *ks);
     47 
     48 # if OPENSSL_API_COMPAT < 0x10100000L
     49 #  define idea_options          IDEA_options
     50 #  define idea_ecb_encrypt      IDEA_ecb_encrypt
     51 #  define idea_set_encrypt_key  IDEA_set_encrypt_key
     52 #  define idea_set_decrypt_key  IDEA_set_decrypt_key
     53 #  define idea_cbc_encrypt      IDEA_cbc_encrypt
     54 #  define idea_cfb64_encrypt    IDEA_cfb64_encrypt
     55 #  define idea_ofb64_encrypt    IDEA_ofb64_encrypt
     56 #  define idea_encrypt          IDEA_encrypt
     57 # endif
     58 
     59 # ifdef  __cplusplus
     60 }
     61 # endif
     62 # endif
     63 
     64 #endif
     65