2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
67 #include "opensslconf.h" /* DES_LONG */
69 typedef unsigned char des_cblock[8];
70 typedef unsigned char *des_cblocks; /* Unfortunately there's no way to say that
71 we want a multiple of 8 */
72 typedef struct des_ks_struct
76 /* make sure things are correct size on machines with
83 } des_key_schedule[16];
85 #define DES_KEY_SZ (sizeof(des_cblock))
86 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
91 #define DES_CBC_MODE 0
92 #define DES_PCBC_MODE 1
94 #define des_ecb2_encrypt(i,o,k1,k2,e) \
95 des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
97 #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
98 des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
100 #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
101 des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
103 #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
104 des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
106 #define C_Block des_cblock
107 #define Key_schedule des_key_schedule
109 #define ENCRYPT DES_ENCRYPT
110 #define DECRYPT DES_DECRYPT
112 #define KEY_SZ DES_KEY_SZ
113 #define string_to_key des_string_to_key
114 #define read_pw_string des_read_pw_string
115 #define random_key des_random_key
116 #define pcbc_encrypt des_pcbc_encrypt
117 #define set_key des_set_key
118 #define key_sched des_key_sched
119 #define ecb_encrypt des_ecb_encrypt
120 #define cbc_encrypt des_cbc_encrypt
121 #define ncbc_encrypt des_ncbc_encrypt
122 #define xcbc_encrypt des_xcbc_encrypt
123 #define cbc_cksum des_cbc_cksum
124 #define quad_cksum des_quad_cksum
126 /* For compatibility with the MIT lib - eay 20/05/92 */
127 typedef des_key_schedule bit_64;
128 #define des_fixup_key_parity des_set_odd_parity
129 #define des_check_key_parity check_parity
131 extern int des_check_key; /* defaults to false */
132 extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
133 extern int des_set_weak_key_flag; /* set the weak key flag */
136 const char *des_options(void);
137 void des_ecb3_encrypt(const des_cblock input, des_cblock output,
138 des_key_schedule ks1,des_key_schedule ks2,
139 des_key_schedule ks3, int enc);
140 DES_LONG des_cbc_cksum(const unsigned char *input,des_cblock output,
141 long length,des_key_schedule schedule,
142 const des_cblock ivec);
143 void des_cbc_encrypt(const unsigned char *input,unsigned char *output,
144 long length,des_key_schedule schedule,des_cblock ivec,
146 void des_ncbc_encrypt(const unsigned char *input,unsigned char *output,
147 long length,des_key_schedule schedule,des_cblock ivec,
149 void des_xcbc_encrypt(const unsigned char *input,unsigned char *output,
150 long length,des_key_schedule schedule,des_cblock ivec,
151 const des_cblock inw,const des_cblock outw,int enc);
152 void des_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
153 long length,des_key_schedule schedule,des_cblock ivec,
155 void des_ecb_encrypt(const des_cblock input,des_cblock output,
156 des_key_schedule ks,int enc);
157 void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
158 void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
159 void des_encrypt3(DES_LONG *data, des_key_schedule ks1,
160 des_key_schedule ks2, des_key_schedule ks3);
161 void des_decrypt3(DES_LONG *data, des_key_schedule ks1,
162 des_key_schedule ks2, des_key_schedule ks3);
163 void des_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output,
165 des_key_schedule ks1,des_key_schedule ks2,
166 des_key_schedule ks3,des_cblock ivec,int enc);
167 void des_ede3_cbcm_encrypt(const unsigned char *in,unsigned char *out,
169 des_key_schedule ks1,des_key_schedule ks2,
170 des_key_schedule ks3,
171 des_cblock ivec1,des_cblock ivec2,
173 void des_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out,
174 long length,des_key_schedule ks1,
175 des_key_schedule ks2,des_key_schedule ks3,
176 des_cblock ivec,int *num,int enc);
177 void des_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out,
178 long length,des_key_schedule ks1,
179 des_key_schedule ks2,des_key_schedule ks3,
180 des_cblock ivec,int *num);
182 void des_xwhite_in2out(const des_cblock des_key,const des_cblock in_white,
183 des_cblock out_white);
185 int des_enc_read(int fd,void *buf,int len,des_key_schedule sched,
187 int des_enc_write(int fd,const void *buf,int len,des_key_schedule sched,
189 char *des_fcrypt(const char *buf,const char *salt, char *ret);
190 #if defined(PERL5) || defined(__FreeBSD__)
191 char *des_crypt(const char *buf,const char *salt);
193 /* some stupid compilers complain because I have declared char instead
195 #ifdef HEADER_DES_LOCL_H
196 char *crypt(const char *buf,const char *salt);
201 void des_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
202 long length,des_key_schedule schedule,des_cblock ivec);
203 void des_pcbc_encrypt(const unsigned char *input,unsigned char *output,
204 long length,des_key_schedule schedule,des_cblock ivec,
206 DES_LONG des_quad_cksum(const unsigned char *input,des_cblocks output,
207 long length,int out_count,des_cblock seed);
208 void des_random_seed(des_cblock key);
209 void des_random_key(des_cblock ret);
210 int des_read_password(des_cblock key,const char *prompt,int verify);
211 int des_read_2passwords(des_cblock key1,des_cblock key2,
212 const char *prompt,int verify);
213 int des_read_pw_string(char *buf,int length,const char *prompt,int verify);
214 void des_set_odd_parity(des_cblock key);
215 int des_is_weak_key(const des_cblock key);
216 int des_set_key(const des_cblock key,des_key_schedule schedule);
217 int des_key_sched(const des_cblock key,des_key_schedule schedule);
218 void des_string_to_key(const char *str,des_cblock key);
219 void des_string_to_2keys(const char *str,des_cblock key1,des_cblock key2);
220 void des_cfb64_encrypt(const unsigned char *in,unsigned char *out,long length,
221 des_key_schedule schedule,des_cblock ivec,int *num,
223 void des_ofb64_encrypt(const unsigned char *in,unsigned char *out,long length,
224 des_key_schedule schedule,des_cblock ivec,int *num);
225 int des_read_pw(char *buf,char *buff,int size,const char *prompt,int verify);
227 /* Extra functions from Mark Murray <mark@grondar.za> */
228 void des_cblock_print_file(const des_cblock cb, FILE *fp);
229 /* The following functions are not in the normal unix build or the
230 * SSLeay build. When using the SSLeay build, use RAND_seed()
231 * and RAND_bytes() instead. */
232 int des_new_random_key(des_cblock *key);
233 void des_init_random_number_generator(des_cblock *key);
234 void des_set_random_generator_seed(des_cblock *key);
235 void des_set_sequence_number(des_cblock new_sequence_number);
236 void des_generate_random_block(des_cblock *block);
241 void des_ecb3_encrypt();
242 DES_LONG des_cbc_cksum();
243 void des_cbc_encrypt();
244 void des_ncbc_encrypt();
245 void des_xcbc_encrypt();
246 void des_cfb_encrypt();
247 void des_ede3_cfb64_encrypt();
248 void des_ede3_ofb64_encrypt();
249 void des_ecb_encrypt();
254 void des_ede3_cbc_encrypt();
255 void des_ede3_cbcm_encrypt();
264 void des_ofb_encrypt();
265 void des_pcbc_encrypt();
266 DES_LONG des_quad_cksum();
267 void des_random_seed();
268 void des_random_key();
269 int des_read_password();
270 int des_read_2passwords();
271 int des_read_pw_string();
272 void des_set_odd_parity();
273 int des_is_weak_key();
276 void des_string_to_key();
277 void des_string_to_2keys();
278 void des_cfb64_encrypt();
279 void des_ofb64_encrypt();
281 void des_xwhite_in2out();
283 /* Extra functions from Mark Murray <mark@grondar.za> */
284 void des_cblock_print_file();
285 /* The following functions are not in the normal unix build or the
286 * SSLeay build. When using the SSLeay build, use RAND_seed()
287 * and RAND_bytes() instead. */
289 int des_new_random_key();
290 void des_init_random_number_generator();
291 void des_set_random_generator_seed();
292 void des_set_sequence_number();
293 void des_generate_random_block();