2 /* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@mincom.oz.au).
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@mincom.oz.au).
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@mincom.oz.au)"
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@mincom.oz.au)"
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.]
68 /* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
69 * %20 speed up (longs are 8 bytes, int's are 4). */
71 #define DES_LONG unsigned long
74 typedef unsigned char des_cblock[8];
75 typedef struct des_ks_struct
79 /* make sure things are correct size on machines with
85 } des_key_schedule[16];
87 #define DES_KEY_SZ (sizeof(des_cblock))
88 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
93 #define DES_CBC_MODE 0
94 #define DES_PCBC_MODE 1
96 #define des_ecb2_encrypt(i,o,k1,k2,e) \
97 des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
99 #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
100 des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
102 #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
103 des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
105 #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
106 des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
108 #define C_Block des_cblock
109 #define Key_schedule des_key_schedule
111 #define ENCRYPT DES_ENCRYPT
112 #define DECRYPT DES_DECRYPT
114 #define KEY_SZ DES_KEY_SZ
115 #define string_to_key des_string_to_key
116 #define read_pw_string des_read_pw_string
117 #define random_key des_random_key
118 #define pcbc_encrypt des_pcbc_encrypt
119 #define set_key des_set_key
120 #define key_sched des_key_sched
121 #define ecb_encrypt des_ecb_encrypt
122 #define cbc_encrypt des_cbc_encrypt
123 #define ncbc_encrypt des_ncbc_encrypt
124 #define xcbc_encrypt des_xcbc_encrypt
125 #define cbc_cksum des_cbc_cksum
126 #define quad_cksum des_quad_cksum
128 /* For compatibility with the MIT lib - eay 20/05/92 */
129 typedef des_key_schedule bit_64;
130 #define des_fixup_key_parity des_set_odd_parity
131 #define des_check_key_parity check_parity
133 extern int des_check_key; /* defaults to false */
134 extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
136 /* The next line is used to disable full ANSI prototypes, if your
137 * compiler has problems with the prototypes, make sure this line always
138 * evaluates to true :-) */
139 #if defined(MSDOS) || defined(__STDC__)
143 char *des_options(void);
144 void des_ecb3_encrypt(des_cblock *input,des_cblock *output,
145 des_key_schedule ks1,des_key_schedule ks2,
146 des_key_schedule ks3, int enc);
147 DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output,
148 long length,des_key_schedule schedule,des_cblock *ivec);
149 void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
150 des_key_schedule schedule,des_cblock *ivec,int enc);
151 void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
152 des_key_schedule schedule,des_cblock *ivec,int enc);
153 void des_xcbc_encrypt(des_cblock *input,des_cblock *output,long length,
154 des_key_schedule schedule,des_cblock *ivec,
155 des_cblock *inw,des_cblock *outw,int enc);
156 void des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
157 des_key_schedule sk1,des_key_schedule sk2,
158 des_cblock *ivec1,des_cblock *ivec2,int enc);
159 void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
160 long length,des_key_schedule schedule,des_cblock *ivec,int enc);
161 void des_ecb_encrypt(des_cblock *input,des_cblock *output,
162 des_key_schedule ks,int enc);
163 void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
164 void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
165 void des_encrypt3(DES_LONG *data, des_key_schedule ks1,
166 des_key_schedule ks2, des_key_schedule ks3);
167 void des_decrypt3(DES_LONG *data, des_key_schedule ks1,
168 des_key_schedule ks2, des_key_schedule ks3);
169 void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
170 long length, des_key_schedule ks1, des_key_schedule ks2,
171 des_key_schedule ks3, des_cblock *ivec, int enc);
172 void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out,
173 long length, des_key_schedule ks1, des_key_schedule ks2,
174 des_key_schedule ks3, des_cblock *ivec, int *num, int encrypt);
175 void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
176 long length, des_key_schedule ks1, des_key_schedule ks2,
177 des_key_schedule ks3, des_cblock *ivec, int *num);
179 int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
181 int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
183 char *des_fcrypt(const char *buf,const char *salt, char *ret);
185 char *des_crypt(const char *buf,const char *salt);
187 /* some stupid compilers complain because I have declared char instead
189 #ifdef HEADER_DES_LOCL_H
190 char *crypt(const char *buf,const char *salt);
195 void des_ofb_encrypt(unsigned char *in,unsigned char *out,
196 int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
197 void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
198 des_key_schedule schedule,des_cblock *ivec,int enc);
199 DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output,
200 long length,int out_count,des_cblock *seed);
201 void des_random_seed(des_cblock key);
202 void des_random_key(des_cblock ret);
203 int des_read_password(des_cblock *key,char *prompt,int verify);
204 int des_read_2passwords(des_cblock *key1,des_cblock *key2,
205 char *prompt,int verify);
206 int des_read_pw_string(char *buf,int length,char *prompt,int verify);
207 void des_set_odd_parity(des_cblock *key);
208 int des_is_weak_key(des_cblock *key);
209 int des_set_key(des_cblock *key,des_key_schedule schedule);
210 int des_key_sched(des_cblock *key,des_key_schedule schedule);
211 void des_string_to_key(char *str,des_cblock *key);
212 void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
213 void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
214 des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
215 void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
216 des_key_schedule schedule, des_cblock *ivec, int *num);
218 /* Extra functions from Mark Murray <mark@grondar.za> */
219 void des_cblock_print_file(des_cblock *cb, FILE *fp);
220 /* The following functions are not in the normal unix build or the
221 * SSLeay build. When using the SSLeay build, use RAND_seed()
222 * and RAND_bytes() instead. */
223 int des_new_random_key(des_cblock *key);
224 void des_init_random_number_generator(des_cblock *key);
225 void des_set_random_generator_seed(des_cblock *key);
226 void des_set_sequence_number(des_cblock new_sequence_number);
227 void des_generate_random_block(des_cblock *block);
232 void des_ecb3_encrypt();
233 DES_LONG des_cbc_cksum();
234 void des_cbc_encrypt();
235 void des_ncbc_encrypt();
236 void des_xcbc_encrypt();
237 void des_3cbc_encrypt();
238 void des_cfb_encrypt();
239 void des_ede3_cfb64_encrypt();
240 void des_ede3_ofb64_encrypt();
241 void des_ecb_encrypt();
246 void des_ede3_cbc_encrypt();
255 void des_ofb_encrypt();
256 void des_pcbc_encrypt();
257 DES_LONG des_quad_cksum();
258 void des_random_seed();
259 void des_random_key();
260 int des_read_password();
261 int des_read_2passwords();
262 int des_read_pw_string();
263 void des_set_odd_parity();
264 int des_is_weak_key();
267 void des_string_to_key();
268 void des_string_to_2keys();
269 void des_cfb64_encrypt();
270 void des_ofb64_encrypt();
272 /* Extra functions from Mark Murray <mark@grondar.za> */
273 void des_cblock_print_file();
274 /* The following functions are not in the normal unix build or the
275 * SSLeay build. When using the SSLeay build, use RAND_seed()
276 * and RAND_bytes() instead. */
278 int des_new_random_key();
279 void des_init_random_number_generator();
280 void des_set_random_generator_seed();
281 void des_set_sequence_number();
282 void des_generate_random_block();