1 /* crypto/des/des.org */
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.]
59 /* WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
61 * Always modify des.org since des.h is automatically generated from
62 * it during SSLeay configuration.
64 * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
76 /* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
77 * %20 speed up (longs are 8 bytes, int's are 4). */
79 #define DES_LONG unsigned long
82 typedef unsigned char des_cblock[8];
83 typedef struct des_ks_struct
87 /* make sure things are correct size on machines with
93 } des_key_schedule[16];
95 #define DES_KEY_SZ (sizeof(des_cblock))
96 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
101 #define DES_CBC_MODE 0
102 #define DES_PCBC_MODE 1
104 #define des_ecb2_encrypt(i,o,k1,k2,e) \
105 des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
107 #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
108 des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
110 #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
111 des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
113 #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
114 des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
116 #define C_Block des_cblock
117 #define Key_schedule des_key_schedule
119 #define ENCRYPT DES_ENCRYPT
120 #define DECRYPT DES_DECRYPT
122 #define KEY_SZ DES_KEY_SZ
123 #define string_to_key des_string_to_key
124 #define read_pw_string des_read_pw_string
125 #define random_key des_random_key
126 #define pcbc_encrypt des_pcbc_encrypt
127 #define set_key des_set_key
128 #define key_sched des_key_sched
129 #define ecb_encrypt des_ecb_encrypt
130 #define cbc_encrypt des_cbc_encrypt
131 #define ncbc_encrypt des_ncbc_encrypt
132 #define xcbc_encrypt des_xcbc_encrypt
133 #define cbc_cksum des_cbc_cksum
134 #define quad_cksum des_quad_cksum
136 /* For compatibility with the MIT lib - eay 20/05/92 */
137 typedef des_key_schedule bit_64;
138 #define des_fixup_key_parity des_set_odd_parity
139 #define des_check_key_parity check_parity
141 extern int des_check_key; /* defaults to false */
142 extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
144 /* The next line is used to disable full ANSI prototypes, if your
145 * compiler has problems with the prototypes, make sure this line always
146 * evaluates to true :-) */
147 #if defined(MSDOS) || defined(__STDC__)
151 char *des_options(void);
152 void des_ecb3_encrypt(des_cblock *input,des_cblock *output,
153 des_key_schedule ks1,des_key_schedule ks2,
154 des_key_schedule ks3, int enc);
155 DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output,
156 long length,des_key_schedule schedule,des_cblock *ivec);
157 void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
158 des_key_schedule schedule,des_cblock *ivec,int enc);
159 void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
160 des_key_schedule schedule,des_cblock *ivec,int enc);
161 void des_xcbc_encrypt(des_cblock *input,des_cblock *output,long length,
162 des_key_schedule schedule,des_cblock *ivec,
163 des_cblock *inw,des_cblock *outw,int enc);
164 void des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
165 des_key_schedule sk1,des_key_schedule sk2,
166 des_cblock *ivec1,des_cblock *ivec2,int enc);
167 void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
168 long length,des_key_schedule schedule,des_cblock *ivec,int enc);
169 void des_ecb_encrypt(des_cblock *input,des_cblock *output,
170 des_key_schedule ks,int enc);
171 void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
172 void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
173 void des_encrypt3(DES_LONG *data, des_key_schedule ks1,
174 des_key_schedule ks2, des_key_schedule ks3);
175 void des_decrypt3(DES_LONG *data, des_key_schedule ks1,
176 des_key_schedule ks2, des_key_schedule ks3);
177 void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
178 long length, des_key_schedule ks1, des_key_schedule ks2,
179 des_key_schedule ks3, des_cblock *ivec, int enc);
180 void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out,
181 long length, des_key_schedule ks1, des_key_schedule ks2,
182 des_key_schedule ks3, des_cblock *ivec, int *num, int enc);
183 void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
184 long length, des_key_schedule ks1, des_key_schedule ks2,
185 des_key_schedule ks3, des_cblock *ivec, int *num);
187 void des_xwhite_in2out(des_cblock (*des_key), des_cblock (*in_white),
188 des_cblock (*out_white));
190 int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
192 int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
194 char *des_fcrypt(const char *buf,const char *salt, char *ret);
196 char *des_crypt(const char *buf,const char *salt);
198 /* some stupid compilers complain because I have declared char instead
200 #ifdef HEADER_DES_LOCL_H
201 char *crypt(const char *buf,const char *salt);
206 void des_ofb_encrypt(unsigned char *in,unsigned char *out,
207 int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
208 void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
209 des_key_schedule schedule,des_cblock *ivec,int enc);
210 DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output,
211 long length,int out_count,des_cblock *seed);
212 void des_random_seed(des_cblock key);
213 void des_random_key(des_cblock ret);
214 int des_read_password(des_cblock *key,char *prompt,int verify);
215 int des_read_2passwords(des_cblock *key1,des_cblock *key2,
216 char *prompt,int verify);
217 int des_read_pw_string(char *buf,int length,char *prompt,int verify);
218 void des_set_odd_parity(des_cblock *key);
219 int des_is_weak_key(des_cblock *key);
220 int des_set_key(des_cblock *key,des_key_schedule schedule);
221 int des_key_sched(des_cblock *key,des_key_schedule schedule);
222 void des_string_to_key(char *str,des_cblock *key);
223 void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
224 void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
225 des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
226 void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
227 des_key_schedule schedule, des_cblock *ivec, int *num);
228 int des_read_pw(char *buf, char *buff, int size, char *prompt, int verify);
230 /* Extra functions from Mark Murray <mark@grondar.za> */
231 void des_cblock_print_file(des_cblock *cb, FILE *fp);
232 /* The following functions are not in the normal unix build or the
233 * SSLeay build. When using the SSLeay build, use RAND_seed()
234 * and RAND_bytes() instead. */
235 int des_new_random_key(des_cblock *key);
236 void des_init_random_number_generator(des_cblock *key);
237 void des_set_random_generator_seed(des_cblock *key);
238 void des_set_sequence_number(des_cblock new_sequence_number);
239 void des_generate_random_block(des_cblock *block);
244 void des_ecb3_encrypt();
245 DES_LONG des_cbc_cksum();
246 void des_cbc_encrypt();
247 void des_ncbc_encrypt();
248 void des_xcbc_encrypt();
249 void des_3cbc_encrypt();
250 void des_cfb_encrypt();
251 void des_ede3_cfb64_encrypt();
252 void des_ede3_ofb64_encrypt();
253 void des_ecb_encrypt();
258 void des_ede3_cbc_encrypt();
267 void des_ofb_encrypt();
268 void des_pcbc_encrypt();
269 DES_LONG des_quad_cksum();
270 void des_random_seed();
271 void des_random_key();
272 int des_read_password();
273 int des_read_2passwords();
274 int des_read_pw_string();
275 void des_set_odd_parity();
276 int des_is_weak_key();
279 void des_string_to_key();
280 void des_string_to_2keys();
281 void des_cfb64_encrypt();
282 void des_ofb64_encrypt();
284 void des_xwhite_in2out();
286 /* Extra functions from Mark Murray <mark@grondar.za> */
287 void des_cblock_print_file();
288 /* The following functions are not in the normal unix build or the
289 * SSLeay build. When using the SSLeay build, use RAND_seed()
290 * and RAND_bytes() instead. */
292 int des_new_random_key();
293 void des_init_random_number_generator();
294 void des_set_random_generator_seed();
295 void des_set_sequence_number();
296 void des_generate_random_block();