2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
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
11 # define OPENSSL_DES_H
14 # include <openssl/macros.h>
15 # ifndef OPENSSL_NO_DEPRECATED_3_0
19 # include <openssl/opensslconf.h>
21 # ifndef OPENSSL_NO_DES
25 # include <openssl/e_os2.h>
27 # ifndef OPENSSL_NO_DEPRECATED_3_0
28 typedef unsigned int DES_LONG;
30 # ifdef OPENSSL_BUILD_SHLIBCRYPTO
31 # undef OPENSSL_EXTERN
32 # define OPENSSL_EXTERN OPENSSL_EXPORT
35 typedef unsigned char DES_cblock[8];
36 typedef /* const */ unsigned char const_DES_cblock[8];
38 * With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * and
39 * const_DES_cblock * are incompatible pointer types.
42 typedef struct DES_ks {
46 * make sure things are correct size on machines with 8 byte longs
52 # define DES_KEY_SZ (sizeof(DES_cblock))
53 # define DES_SCHEDULE_SZ (sizeof(DES_key_schedule))
55 # define DES_ENCRYPT 1
56 # define DES_DECRYPT 0
58 # define DES_CBC_MODE 0
59 # define DES_PCBC_MODE 1
61 # define DES_ecb2_encrypt(i,o,k1,k2,e) \
62 DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
64 # define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
65 DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
67 # define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
68 DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
70 # define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
71 DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
73 # define DES_fixup_key_parity DES_set_odd_parity
75 # ifndef OPENSSL_NO_DEPRECATED_3_0
76 OSSL_DEPRECATEDIN_3_0 const char *DES_options(void);
78 void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,
79 DES_key_schedule *ks1, DES_key_schedule *ks2,
80 DES_key_schedule *ks3, int enc);
82 DES_LONG DES_cbc_cksum(const unsigned char *input, DES_cblock *output,
83 long length, DES_key_schedule *schedule,
84 const_DES_cblock *ivec);
86 /* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */
87 # ifndef OPENSSL_NO_DEPRECATED_3_0
89 void DES_cbc_encrypt(const unsigned char *input, unsigned char *output,
90 long length, DES_key_schedule *schedule, DES_cblock *ivec,
93 void DES_ncbc_encrypt(const unsigned char *input, unsigned char *output,
94 long length, DES_key_schedule *schedule, DES_cblock *ivec,
97 void DES_xcbc_encrypt(const unsigned char *input, unsigned char *output,
98 long length, DES_key_schedule *schedule, DES_cblock *ivec,
99 const_DES_cblock *inw, const_DES_cblock *outw, int enc);
100 OSSL_DEPRECATEDIN_3_0
101 void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
102 long length, DES_key_schedule *schedule, DES_cblock *ivec,
104 OSSL_DEPRECATEDIN_3_0
105 void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,
106 DES_key_schedule *ks, int enc);
110 * This is the DES encryption function that gets called by just about every
111 * other DES routine in the library. You should not use this function except
112 * to implement 'modes' of DES. I say this because the functions that call
113 * this routine do the conversion from 'char *' to long, and this needs to be
114 * done to make sure 'non-aligned' memory access do not occur. The
115 * characters are loaded 'little endian'. Data is a pointer to 2 unsigned
116 * long's and ks is the DES_key_schedule to use. enc, is non zero specifies
117 * encryption, zero if decryption.
119 # ifndef OPENSSL_NO_DEPRECATED_3_0
120 OSSL_DEPRECATEDIN_3_0
121 void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc);
125 * This functions is the same as DES_encrypt1() except that the DES initial
126 * permutation (IP) and final permutation (FP) have been left out. As for
127 * DES_encrypt1(), you should not use this function. It is used by the
128 * routines in the library that implement triple DES. IP() DES_encrypt2()
129 * DES_encrypt2() DES_encrypt2() FP() is the same as DES_encrypt1()
130 * DES_encrypt1() DES_encrypt1() except faster :-).
132 # ifndef OPENSSL_NO_DEPRECATED_3_0
133 OSSL_DEPRECATEDIN_3_0
134 void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc);
135 OSSL_DEPRECATEDIN_3_0
136 void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1, DES_key_schedule *ks2,
137 DES_key_schedule *ks3);
138 OSSL_DEPRECATEDIN_3_0
139 void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1, DES_key_schedule *ks2,
140 DES_key_schedule *ks3);
141 OSSL_DEPRECATEDIN_3_0
142 void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output,
143 long length, DES_key_schedule *ks1,
144 DES_key_schedule *ks2, DES_key_schedule *ks3,
145 DES_cblock *ivec, int enc);
146 OSSL_DEPRECATEDIN_3_0
147 void DES_ede3_cfb64_encrypt(const unsigned char *in, unsigned char *out,
148 long length, DES_key_schedule *ks1,
149 DES_key_schedule *ks2, DES_key_schedule *ks3,
150 DES_cblock *ivec, int *num, int enc);
151 OSSL_DEPRECATEDIN_3_0
152 void DES_ede3_cfb_encrypt(const unsigned char *in, unsigned char *out,
153 int numbits, long length, DES_key_schedule *ks1,
154 DES_key_schedule *ks2, DES_key_schedule *ks3,
155 DES_cblock *ivec, int enc);
156 OSSL_DEPRECATEDIN_3_0
157 void DES_ede3_ofb64_encrypt(const unsigned char *in, unsigned char *out,
158 long length, DES_key_schedule *ks1,
159 DES_key_schedule *ks2, DES_key_schedule *ks3,
160 DES_cblock *ivec, int *num);
161 OSSL_DEPRECATEDIN_3_0
162 char *DES_fcrypt(const char *buf, const char *salt, char *ret);
163 OSSL_DEPRECATEDIN_3_0
164 char *DES_crypt(const char *buf, const char *salt);
165 OSSL_DEPRECATEDIN_3_0
166 void DES_ofb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
167 long length, DES_key_schedule *schedule, DES_cblock *ivec);
168 OSSL_DEPRECATEDIN_3_0
169 void DES_pcbc_encrypt(const unsigned char *input, unsigned char *output,
170 long length, DES_key_schedule *schedule,
171 DES_cblock *ivec, int enc);
172 OSSL_DEPRECATEDIN_3_0
173 DES_LONG DES_quad_cksum(const unsigned char *input, DES_cblock output[],
174 long length, int out_count, DES_cblock *seed);
175 OSSL_DEPRECATEDIN_3_0 int DES_random_key(DES_cblock *ret);
176 OSSL_DEPRECATEDIN_3_0 void DES_set_odd_parity(DES_cblock *key);
177 OSSL_DEPRECATEDIN_3_0 int DES_check_key_parity(const_DES_cblock *key);
178 OSSL_DEPRECATEDIN_3_0 int DES_is_weak_key(const_DES_cblock *key);
181 * DES_set_key (= set_key = DES_key_sched = key_sched) calls
182 * DES_set_key_checked
184 # ifndef OPENSSL_NO_DEPRECATED_3_0
185 OSSL_DEPRECATEDIN_3_0
186 int DES_set_key(const_DES_cblock *key, DES_key_schedule *schedule);
187 OSSL_DEPRECATEDIN_3_0
188 int DES_key_sched(const_DES_cblock *key, DES_key_schedule *schedule);
189 OSSL_DEPRECATEDIN_3_0
190 int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule);
191 OSSL_DEPRECATEDIN_3_0
192 void DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule);
193 OSSL_DEPRECATEDIN_3_0 void DES_string_to_key(const char *str, DES_cblock *key);
194 OSSL_DEPRECATEDIN_3_0
195 void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2);
196 OSSL_DEPRECATEDIN_3_0
197 void DES_cfb64_encrypt(const unsigned char *in, unsigned char *out,
198 long length, DES_key_schedule *schedule,
199 DES_cblock *ivec, int *num, int enc);
200 OSSL_DEPRECATEDIN_3_0
201 void DES_ofb64_encrypt(const unsigned char *in, unsigned char *out,
202 long length, DES_key_schedule *schedule,
203 DES_cblock *ivec, int *num);