include/openssl/cast.h

   1 /*
   2  * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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 OPENSSL_CAST_H
  11 # define OPENSSL_CAST_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_CAST_H
  17 # endif
  18
  19 # include <openssl/opensslconf.h>
  20
  21 # ifndef OPENSSL_NO_CAST
  22 # ifdef  __cplusplus
  23 extern "C" {
  24 # endif
  25
  26 # define CAST_BLOCK      8
  27 # define CAST_KEY_LENGTH 16
  28
  29 # ifndef OPENSSL_NO_DEPRECATED_3_0
  30
  31 #  define CAST_ENCRYPT    1
  32 #  define CAST_DECRYPT    0
  33
  34 #  define CAST_LONG unsigned int
  35
  36 typedef struct cast_key_st {
  37     CAST_LONG data[32];
  38     int short_key;              /* Use reduced rounds for short key */
  39 } CAST_KEY;
  40
  41 # endif /* OPENSSL_NO_DEPRECATED_3_0 */
  42
  43 DEPRECATEDIN_3_0(void CAST_set_key(CAST_KEY *key, int len,
  44                                    const unsigned char *data))
  45 DEPRECATEDIN_3_0(void CAST_ecb_encrypt(const unsigned char *in,
  46                                        unsigned char *out,
  47                                        const CAST_KEY *key,
  48                                        int enc))
  49 DEPRECATEDIN_3_0(void CAST_encrypt(CAST_LONG *data,
  50                                    const CAST_KEY *key))
  51 DEPRECATEDIN_3_0(void CAST_decrypt(CAST_LONG *data,
  52                                    const CAST_KEY *key))
  53 DEPRECATEDIN_3_0(void CAST_cbc_encrypt(const unsigned char *in,
  54                                        unsigned char *out,
  55                                        long length,
  56                                        const CAST_KEY *ks,
  57                                        unsigned char *iv,
  58                                        int enc))
  59 DEPRECATEDIN_3_0(void CAST_cfb64_encrypt(const unsigned char *in,
  60                                          unsigned char *out,
  61                                          long length,
  62                                          const CAST_KEY *schedule,
  63                                          unsigned char *ivec,
  64                                          int *num,
  65                                          int enc))
  66 DEPRECATEDIN_3_0(void CAST_ofb64_encrypt(const unsigned char *in,
  67                                          unsigned char *out,
  68                                          long length,
  69                                          const CAST_KEY *schedule,
  70                                          unsigned char *ivec,
  71                                          int *num))
  72
  73 # ifdef  __cplusplus
  74 }
  75 # endif
  76 # endif
  77
  78 #endif