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 unsigned char *des_cblocks; /* Unfortunately there's no way to say that
84 we want a multiple of 8 */
85 typedef struct des_ks_struct
89 /* make sure things are correct size on machines with
96 } des_key_schedule[16];
98 #define DES_KEY_SZ (sizeof(des_cblock))
99 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
101 #define DES_ENCRYPT 1
102 #define DES_DECRYPT 0
104 #define DES_CBC_MODE 0
105 #define DES_PCBC_MODE 1
107 #define des_ecb2_encrypt(i,o,k1,k2,e) \
108 des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
110 #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
111 des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
113 #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
114 des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
116 #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
117 des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
119 #define C_Block des_cblock
120 #define Key_schedule des_key_schedule
122 #define ENCRYPT DES_ENCRYPT
123 #define DECRYPT DES_DECRYPT
125 #define KEY_SZ DES_KEY_SZ
126 #define string_to_key des_string_to_key
127 #define read_pw_string des_read_pw_string
128 #define random_key des_random_key
129 #define pcbc_encrypt des_pcbc_encrypt
130 #define set_key des_set_key
131 #define key_sched des_key_sched
132 #define ecb_encrypt des_ecb_encrypt
133 #define cbc_encrypt des_cbc_encrypt
134 #define ncbc_encrypt des_ncbc_encrypt
135 #define xcbc_encrypt des_xcbc_encrypt
136 #define cbc_cksum des_cbc_cksum
137 #define quad_cksum des_quad_cksum
139 /* For compatibility with the MIT lib - eay 20/05/92 */
140 typedef des_key_schedule bit_64;
141 #define des_fixup_key_parity des_set_odd_parity
142 #define des_check_key_parity check_parity
144 extern int des_check_key; /* defaults to false */
145 extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
146 extern int des_set_weak_key_flag; /* set the weak key flag */
148 /* The next line is used to disable full ANSI prototypes, if your
149 * compiler has problems with the prototypes, make sure this line always
150 * evaluates to true :-) */
151 #if defined(MSDOS) || defined(__STDC__)
155 const char *des_options(void);
156 void des_ecb3_encrypt(const des_cblock input, des_cblock output,
157 des_key_schedule ks1,des_key_schedule ks2,
158 des_key_schedule ks3, int enc);
159 DES_LONG des_cbc_cksum(const unsigned char *input,des_cblock output,
160 long length,des_key_schedule schedule,
161 const des_cblock ivec);
162 void des_cbc_encrypt(const unsigned char *input,unsigned char *output,
163 long length,des_key_schedule schedule,des_cblock ivec,
165 void des_ncbc_encrypt(const unsigned char *input,unsigned char *output,
166 long length,des_key_schedule schedule,des_cblock ivec,
168 void des_xcbc_encrypt(const unsigned char *input,unsigned char *output,
169 long length,des_key_schedule schedule,des_cblock ivec,
170 const des_cblock inw,const des_cblock outw,int enc);
171 void des_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
172 long length,des_key_schedule schedule,des_cblock ivec,
174 void des_ecb_encrypt(const des_cblock input,des_cblock output,
175 des_key_schedule ks,int enc);
176 void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
177 void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
178 void des_encrypt3(DES_LONG *data, des_key_schedule ks1,
179 des_key_schedule ks2, des_key_schedule ks3);
180 void des_decrypt3(DES_LONG *data, des_key_schedule ks1,
181 des_key_schedule ks2, des_key_schedule ks3);
182 void des_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output,
184 des_key_schedule ks1,des_key_schedule ks2,
185 des_key_schedule ks3,des_cblock ivec,int enc);
186 void des_ede3_cbcm_encrypt(const unsigned char *in,unsigned char *out,
188 des_key_schedule ks1,des_key_schedule ks2,
189 des_key_schedule ks3,
190 des_cblock ivec1,des_cblock ivec2,
192 void des_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out,
193 long length,des_key_schedule ks1,
194 des_key_schedule ks2,des_key_schedule ks3,
195 des_cblock ivec,int *num,int enc);
196 void des_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out,
197 long length,des_key_schedule ks1,
198 des_key_schedule ks2,des_key_schedule ks3,
199 des_cblock ivec,int *num);
201 void des_xwhite_in2out(const des_cblock des_key,const des_cblock in_white,
202 des_cblock out_white);
204 int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
206 int des_enc_write(int fd,const char *buf,int len,des_key_schedule sched,
208 char *des_fcrypt(const char *buf,const char *salt, char *ret);
209 #if defined(PERL5) || defined(__FreeBSD__)
210 char *des_crypt(const char *buf,const char *salt);
212 /* some stupid compilers complain because I have declared char instead
214 #ifdef HEADER_DES_LOCL_H
215 char *crypt(const char *buf,const char *salt);
220 void des_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
221 long length,des_key_schedule schedule,des_cblock ivec);
222 void des_pcbc_encrypt(const unsigned char *input,unsigned char *output,
223 long length,des_key_schedule schedule,des_cblock ivec,
225 DES_LONG des_quad_cksum(const unsigned char *input,des_cblocks output,
226 long length,int out_count,des_cblock seed);
227 void des_random_seed(des_cblock key);
228 void des_random_key(des_cblock ret);
229 int des_read_password(des_cblock key,const char *prompt,int verify);
230 int des_read_2passwords(des_cblock key1,des_cblock key2,
231 const char *prompt,int verify);
232 int des_read_pw_string(char *buf,int length,const char *prompt,int verify);
233 void des_set_odd_parity(des_cblock key);
234 int des_is_weak_key(const des_cblock key);
235 int des_set_key(const des_cblock key,des_key_schedule schedule);
236 int des_key_sched(const des_cblock key,des_key_schedule schedule);
237 void des_string_to_key(const char *str,des_cblock key);
238 void des_string_to_2keys(const char *str,des_cblock key1,des_cblock key2);
239 void des_cfb64_encrypt(const unsigned char *in,unsigned char *out,long length,
240 des_key_schedule schedule,des_cblock ivec,int *num,
242 void des_ofb64_encrypt(const unsigned char *in,unsigned char *out,long length,
243 des_key_schedule schedule,des_cblock ivec,int *num);
244 int des_read_pw(char *buf,char *buff,int size,const char *prompt,int verify);
246 /* Extra functions from Mark Murray <mark@grondar.za> */
247 void des_cblock_print_file(const des_cblock cb, FILE *fp);
248 /* The following functions are not in the normal unix build or the
249 * SSLeay build. When using the SSLeay build, use RAND_seed()
250 * and RAND_bytes() instead. */
251 int des_new_random_key(des_cblock *key);
252 void des_init_random_number_generator(des_cblock *key);
253 void des_set_random_generator_seed(des_cblock *key);
254 void des_set_sequence_number(des_cblock new_sequence_number);
255 void des_generate_random_block(des_cblock *block);
260 void des_ecb3_encrypt();
261 DES_LONG des_cbc_cksum();
262 void des_cbc_encrypt();
263 void des_ncbc_encrypt();
264 void des_xcbc_encrypt();
265 void des_cfb_encrypt();
266 void des_ede3_cfb64_encrypt();
267 void des_ede3_ofb64_encrypt();
268 void des_ecb_encrypt();
273 void des_ede3_cbc_encrypt();
274 void des_ede3_cbcm_encrypt();
283 void des_ofb_encrypt();
284 void des_pcbc_encrypt();
285 DES_LONG des_quad_cksum();
286 void des_random_seed();
287 void des_random_key();
288 int des_read_password();
289 int des_read_2passwords();
290 int des_read_pw_string();
291 void des_set_odd_parity();
292 int des_is_weak_key();
295 void des_string_to_key();
296 void des_string_to_2keys();
297 void des_cfb64_encrypt();
298 void des_ofb64_encrypt();
300 void des_xwhite_in2out();
302 /* Extra functions from Mark Murray <mark@grondar.za> */
303 void des_cblock_print_file();
304 /* The following functions are not in the normal unix build or the
305 * SSLeay build. When using the SSLeay build, use RAND_seed()
306 * and RAND_bytes() instead. */
308 int des_new_random_key();
309 void des_init_random_number_generator();
310 void des_set_random_generator_seed();
311 void des_set_sequence_number();
312 void des_generate_random_block();