des.h
1 /* des.h
2  *
3  * Copyright (C) 2006-2020 wolfSSL Inc.
4  *
5  * This file is part of wolfSSL.
6  *
7  * wolfSSL is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * wolfSSL is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
20  */
21 
22 
23 
24 /* des.h defines mini des openssl compatibility layer
25  *
26  */
27 
28 
29 #ifndef WOLFSSL_DES_H_
30 #define WOLFSSL_DES_H_
31 
32 #include <wolfssl/wolfcrypt/settings.h>
33 
34 #ifndef NO_DES3
35 
36 #ifdef WOLFSSL_PREFIX
37 #include "prefix_des.h"
38 #endif
39 
40 
41 #ifdef __cplusplus
42  extern "C" {
43 #endif
44 
45 typedef unsigned char WOLFSSL_DES_cblock[8];
46 typedef /* const */ WOLFSSL_DES_cblock WOLFSSL_const_DES_cblock;
47 typedef WOLFSSL_DES_cblock WOLFSSL_DES_key_schedule;
48 typedef unsigned int WOLFSSL_DES_LONG;
49 
50 
51 enum {
52  DES_ENCRYPT = 1,
53  DES_DECRYPT = 0
54 };
55 
56 
57 WOLFSSL_API int wolfSSL_DES_is_weak_key(WOLFSSL_const_DES_cblock* key);
58 WOLFSSL_API WOLFSSL_DES_LONG wolfSSL_DES_cbc_cksum(const unsigned char* in,
59  WOLFSSL_DES_cblock* out, long length, WOLFSSL_DES_key_schedule* sc,
60  WOLFSSL_const_DES_cblock* iv);
61 WOLFSSL_API int wolfSSL_DES_set_key(WOLFSSL_const_DES_cblock* myDes,
62  WOLFSSL_DES_key_schedule* key);
63 WOLFSSL_API int wolfSSL_DES_set_key_checked(WOLFSSL_const_DES_cblock* myDes,
64  WOLFSSL_DES_key_schedule* key);
65 WOLFSSL_API void wolfSSL_DES_set_key_unchecked(WOLFSSL_const_DES_cblock*,
66  WOLFSSL_DES_key_schedule*);
67 WOLFSSL_API int wolfSSL_DES_key_sched(WOLFSSL_const_DES_cblock* key,
68  WOLFSSL_DES_key_schedule* schedule);
69 WOLFSSL_API void wolfSSL_DES_cbc_encrypt(const unsigned char* input,
70  unsigned char* output, long length,
71  WOLFSSL_DES_key_schedule* schedule, WOLFSSL_DES_cblock* ivec,
72  int enc);
73 WOLFSSL_API void wolfSSL_DES_ede3_cbc_encrypt(const unsigned char* input,
74  unsigned char* output, long sz,
75  WOLFSSL_DES_key_schedule* ks1,
76  WOLFSSL_DES_key_schedule* ks2,
77  WOLFSSL_DES_key_schedule* ks3,
78  WOLFSSL_DES_cblock* ivec, int enc);
79 WOLFSSL_API void wolfSSL_DES_ncbc_encrypt(const unsigned char* input,
80  unsigned char* output, long length,
81  WOLFSSL_DES_key_schedule* schedule,
82  WOLFSSL_DES_cblock* ivec, int enc);
83 
84 WOLFSSL_API void wolfSSL_DES_set_odd_parity(WOLFSSL_DES_cblock*);
85 WOLFSSL_API void wolfSSL_DES_ecb_encrypt(WOLFSSL_DES_cblock*, WOLFSSL_DES_cblock*,
86  WOLFSSL_DES_key_schedule*, int);
87 WOLFSSL_API int wolfSSL_DES_check_key_parity(WOLFSSL_DES_cblock*);
88 
89 
90 typedef WOLFSSL_DES_cblock DES_cblock;
91 typedef WOLFSSL_const_DES_cblock const_DES_cblock;
92 typedef WOLFSSL_DES_key_schedule DES_key_schedule;
93 typedef WOLFSSL_DES_LONG DES_LONG;
94 
95 #define DES_check_key(x) /* Define WOLFSSL_CHECK_DESKEY to check key */
96 #define DES_is_weak_key wolfSSL_DES_is_weak_key
97 #define DES_set_key wolfSSL_DES_set_key
98 #define DES_set_key_checked wolfSSL_DES_set_key_checked
99 #define DES_set_key_unchecked wolfSSL_DES_set_key_unchecked
100 #define DES_key_sched wolfSSL_DES_key_sched
101 #define DES_cbc_encrypt wolfSSL_DES_cbc_encrypt
102 #define DES_ncbc_encrypt wolfSSL_DES_ncbc_encrypt
103 #define DES_set_odd_parity wolfSSL_DES_set_odd_parity
104 #define DES_ecb_encrypt wolfSSL_DES_ecb_encrypt
105 #define DES_ede3_cbc_encrypt wolfSSL_DES_ede3_cbc_encrypt
106 #define DES_cbc_cksum wolfSSL_DES_cbc_cksum
107 #define DES_check_key_parity wolfSSL_DES_check_key_parity
108 
109 #ifdef __cplusplus
110  } /* extern "C" */
111 #endif
112 
113 #endif /* NO_DES3 */
114 
115 #endif /* WOLFSSL_DES_H_ */