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
94 } des_key_schedule[16];
96 #define DES_KEY_SZ (sizeof(des_cblock))
97 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
100 #define DES_DECRYPT 0
102 #define DES_CBC_MODE 0
103 #define DES_PCBC_MODE 1
105 #define des_ecb2_encrypt(i,o,k1,k2,e) \
106 des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
108 #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
109 des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
111 #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
112 des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
114 #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
115 des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
117 #define C_Block des_cblock
118 #define Key_schedule des_key_schedule
120 #define ENCRYPT DES_ENCRYPT
121 #define DECRYPT DES_DECRYPT
123 #define KEY_SZ DES_KEY_SZ
124 #define string_to_key des_string_to_key
125 #define read_pw_string des_read_pw_string
126 #define random_key des_random_key
127 #define pcbc_encrypt des_pcbc_encrypt
128 #define set_key des_set_key
129 #define key_sched des_key_sched
130 #define ecb_encrypt des_ecb_encrypt
131 #define cbc_encrypt des_cbc_encrypt
132 #define ncbc_encrypt des_ncbc_encrypt
133 #define xcbc_encrypt des_xcbc_encrypt
134 #define cbc_cksum des_cbc_cksum
135 #define quad_cksum des_quad_cksum
137 /* For compatibility with the MIT lib - eay 20/05/92 */
138 typedef des_key_schedule bit_64;
139 #define des_fixup_key_parity des_set_odd_parity
140 #define des_check_key_parity check_parity
142 extern int des_check_key; /* defaults to false */
143 extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
144 extern int des_set_weak_key_flag; /* set the weak key flag */
146 /* The next line is used to disable full ANSI prototypes, if your
147 * compiler has problems with the prototypes, make sure this line always
148 * evaluates to true :-) */
149 #if defined(MSDOS) || defined(__STDC__)
153 char *des_options(void);
154 void des_ecb3_encrypt(des_cblock *input,des_cblock *output,
155 des_key_schedule ks1,des_key_schedule ks2,
156 des_key_schedule ks3, int enc);
157 DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output,
158 long length,des_key_schedule schedule,des_cblock *ivec);
159 void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
160 des_key_schedule schedule,des_cblock *ivec,int enc);
161 void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
162 des_key_schedule schedule,des_cblock *ivec,int enc);
163 void des_xcbc_encrypt(des_cblock *input,des_cblock *output,long length,
164 des_key_schedule schedule,des_cblock *ivec,
165 des_cblock *inw,des_cblock *outw,int enc);
166 void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
167 long length,des_key_schedule schedule,des_cblock *ivec,int enc);
168 void des_ecb_encrypt(des_cblock *input,des_cblock *output,
169 des_key_schedule ks,int enc);
170 void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
171 void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
172 void des_encrypt3(DES_LONG *data, des_key_schedule ks1,
173 des_key_schedule ks2, des_key_schedule ks3);
174 void des_decrypt3(DES_LONG *data, des_key_schedule ks1,
175 des_key_schedule ks2, des_key_schedule ks3);
176 void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
177 long length, des_key_schedule ks1, des_key_schedule ks2,
178 des_key_schedule ks3, des_cblock *ivec, int enc);
179 void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out,
180 long length, des_key_schedule ks1, des_key_schedule ks2,
181 des_key_schedule ks3, des_cblock *ivec, int *num, int enc);
182 void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
183 long length, des_key_schedule ks1, des_key_schedule ks2,
184 des_key_schedule ks3, des_cblock *ivec, int *num);
186 void des_xwhite_in2out(des_cblock (*des_key), des_cblock (*in_white),
187 des_cblock (*out_white));
189 int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
191 int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
193 char *des_fcrypt(const char *buf,const char *salt, char *ret);
195 char *des_crypt(const char *buf,const char *salt);
197 /* some stupid compilers complain because I have declared char instead
199 #ifdef HEADER_DES_LOCL_H
200 char *crypt(const char *buf,const char *salt);
205 void des_ofb_encrypt(unsigned char *in,unsigned char *out,
206 int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
207 void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
208 des_key_schedule schedule,des_cblock *ivec,int enc);
209 DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output,
210 long length,int out_count,des_cblock *seed);
211 void des_random_seed(des_cblock key);
212 void des_random_key(des_cblock ret);
213 int des_read_password(des_cblock *key,char *prompt,int verify);
214 int des_read_2passwords(des_cblock *key1,des_cblock *key2,
215 char *prompt,int verify);
216 int des_read_pw_string(char *buf,int length,char *prompt,int verify);
217 void des_set_odd_parity(des_cblock *key);
218 int des_is_weak_key(des_cblock *key);
219 int des_set_key(des_cblock *key,des_key_schedule schedule);
220 int des_key_sched(des_cblock *key,des_key_schedule schedule);
221 void des_string_to_key(char *str,des_cblock *key);
222 void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
223 void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
224 des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
225 void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
226 des_key_schedule schedule, des_cblock *ivec, int *num);
227 int des_read_pw(char *buf, char *buff, int size, char *prompt, int verify);
229 /* Extra functions from Mark Murray <mark@grondar.za> */
230 void des_cblock_print_file(des_cblock *cb, FILE *fp);
231 /* The following functions are not in the normal unix build or the
232 * SSLeay build. When using the SSLeay build, use RAND_seed()
233 * and RAND_bytes() instead. */
234 int des_new_random_key(des_cblock *key);
235 void des_init_random_number_generator(des_cblock *key);
236 void des_set_random_generator_seed(des_cblock *key);
237 void des_set_sequence_number(des_cblock new_sequence_number);
238 void des_generate_random_block(des_cblock *block);
243 void des_ecb3_encrypt();
244 DES_LONG des_cbc_cksum();
245 void des_cbc_encrypt();
246 void des_ncbc_encrypt();
247 void des_xcbc_encrypt();
248 void des_cfb_encrypt();
249 void des_ede3_cfb64_encrypt();
250 void des_ede3_ofb64_encrypt();
251 void des_ecb_encrypt();
256 void des_ede3_cbc_encrypt();
265 void des_ofb_encrypt();
266 void des_pcbc_encrypt();
267 DES_LONG des_quad_cksum();
268 void des_random_seed();
269 void des_random_key();
270 int des_read_password();
271 int des_read_2passwords();
272 int des_read_pw_string();
273 void des_set_odd_parity();
274 int des_is_weak_key();
277 void des_string_to_key();
278 void des_string_to_2keys();
279 void des_cfb64_encrypt();
280 void des_ofb64_encrypt();
282 void des_xwhite_in2out();
284 /* Extra functions from Mark Murray <mark@grondar.za> */
285 void des_cblock_print_file();
286 /* The following functions are not in the normal unix build or the
287 * SSLeay build. When using the SSLeay build, use RAND_seed()
288 * and RAND_bytes() instead. */
290 int des_new_random_key();
291 void des_init_random_number_generator();
292 void des_set_random_generator_seed();
293 void des_set_sequence_number();
294 void des_generate_random_block();