include/openssl/blowfish.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_BLOWFISH_H
  11 # define OPENSSL_BLOWFISH_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_BLOWFISH_H
  17 # endif
  18
  19 # include <openssl/opensslconf.h>
  20
  21 # ifndef OPENSSL_NO_BF
  22 # include <openssl/e_os2.h>
  23 # ifdef  __cplusplus
  24 extern "C" {
  25 # endif
  26
  27 # define BF_BLOCK        8
  28
  29 # ifndef OPENSSL_NO_DEPRECATED_3_0
  30
  31 #  define BF_ENCRYPT      1
  32 #  define BF_DECRYPT      0
  33
  34 /*-
  35  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  36  * ! BF_LONG has to be at least 32 bits wide.                     !
  37  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  38  */
  39 #  define BF_LONG unsigned int
  40
  41 #  define BF_ROUNDS       16
  42
  43 typedef struct bf_key_st {
  44     BF_LONG P[BF_ROUNDS + 2];
  45     BF_LONG S[4 * 256];
  46 } BF_KEY;
  47
  48 # endif /* OPENSSL_NO_DEPRECATED_3_0 */
  49 # ifndef OPENSSL_NO_DEPRECATED_3_0
  50 OSSL_DEPRECATEDIN_3_0 void BF_set_key(BF_KEY *key, int len,
  51                                       const unsigned char *data);
  52 OSSL_DEPRECATEDIN_3_0 void BF_encrypt(BF_LONG *data, const BF_KEY *key);
  53 OSSL_DEPRECATEDIN_3_0 void BF_decrypt(BF_LONG *data, const BF_KEY *key);
  54 OSSL_DEPRECATEDIN_3_0 void BF_ecb_encrypt(const unsigned char *in,
  55                                           unsigned char *out, const BF_KEY *key,
  56                                           int enc);
  57 OSSL_DEPRECATEDIN_3_0 void BF_cbc_encrypt(const unsigned char *in,
  58                                           unsigned char *out, long length,
  59                                           const BF_KEY *schedule,
  60                                           unsigned char *ivec, int enc);
  61 OSSL_DEPRECATEDIN_3_0 void BF_cfb64_encrypt(const unsigned char *in,
  62                                             unsigned char *out,
  63                                             long length, const BF_KEY *schedule,
  64                                             unsigned char *ivec, int *num,
  65                                             int enc);
  66 OSSL_DEPRECATEDIN_3_0 void BF_ofb64_encrypt(const unsigned char *in,
  67                                             unsigned char *out,
  68                                             long length, const BF_KEY *schedule,
  69                                             unsigned char *ivec, int *num);
  70 OSSL_DEPRECATEDIN_3_0 const char *BF_options(void);
  71 # endif
  72
  73 # ifdef  __cplusplus
  74 }
  75 # endif
  76 # endif
  77
  78 #endif