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
24extern "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
43typedef 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
50OSSL_DEPRECATEDIN_3_0 void BF_set_key(BF_KEY *key, int len,
51                                      const unsigned char *data);
52OSSL_DEPRECATEDIN_3_0 void BF_encrypt(BF_LONG *data, const BF_KEY *key);
53OSSL_DEPRECATEDIN_3_0 void BF_decrypt(BF_LONG *data, const BF_KEY *key);
54OSSL_DEPRECATEDIN_3_0 void BF_ecb_encrypt(const unsigned char *in,
55                                          unsigned char *out, const BF_KEY *key,
56                                          int enc);
57OSSL_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);
61OSSL_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);
66OSSL_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);
70OSSL_DEPRECATEDIN_3_0 const char *BF_options(void);
71# endif
72
73# ifdef  __cplusplus
74}
75# endif
76# endif
77
78#endif
79