des.h revision 1.1 1 /* $NetBSD: des.h,v 1.1 2000/06/14 19:45:35 thorpej Exp $ */
2 /* $KAME: des.h,v 1.4 2000/06/14 10:41:17 itojun Exp $ */
3
4 /* lib/des/des.h */
5 /* Copyright (C) 1995-1996 Eric Young (eay (at) mincom.oz.au)
6 * All rights reserved.
7 *
8 * This file is part of an SSL implementation written
9 * by Eric Young (eay (at) mincom.oz.au).
10 * The implementation was written so as to conform with Netscapes SSL
11 * specification. This library and applications are
12 * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
13 * as long as the following conditions are aheared to.
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed. If this code is used in a product,
17 * Eric Young should be given attribution as the author of the parts used.
18 * This can be in the form of a textual message at program startup or
19 * in documentation (online or textual) provided with the package.
20 *
21 * Redistribution and use in source and binary forms, with or without
22 * modification, are permitted provided that the following conditions
23 * are met:
24 * 1. Redistributions of source code must retain the copyright
25 * notice, this list of conditions and the following disclaimer.
26 * 2. Redistributions in binary form must reproduce the above copyright
27 * notice, this list of conditions and the following disclaimer in the
28 * documentation and/or other materials provided with the distribution.
29 * 3. All advertising materials mentioning features or use of this software
30 * must display the following acknowledgement:
31 * This product includes software developed by Eric Young (eay (at) mincom.oz.au)
32 *
33 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
34 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
35 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
36 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
37 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
38 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
39 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
41 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
42 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 * SUCH DAMAGE.
44 *
45 * The licence and distribution terms for any publically available version or
46 * derivative of this code cannot be changed. i.e. this code cannot simply be
47 * copied and put under another distribution licence
48 * [including the GNU Public Licence.]
49 */
50
51 #ifndef HEADER_DES_H
52 #define HEADER_DES_H
53
54 #ifdef __cplusplus
55 extern "C" {
56 #endif
57
58 /* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
59 * %20 speed up (longs are 8 bytes, int's are 4). */
60 #ifndef DES_LONG
61 #define DES_LONG unsigned long
62 #endif
63
64 typedef unsigned char des_cblock[8];
65 typedef struct des_ks_struct
66 {
67 union {
68 des_cblock _;
69 /* make sure things are correct size on machines with
70 * 8 byte longs */
71 DES_LONG pad[2];
72 } ks;
73 #undef _
74 #define _ ks._
75 } des_key_schedule[16];
76
77 #define DES_KEY_SZ (sizeof(des_cblock))
78 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
79
80 #define DES_ENCRYPT 1
81 #define DES_DECRYPT 0
82
83 #define DES_CBC_MODE 0
84 #define DES_PCBC_MODE 1
85
86 #define des_ecb2_encrypt(i,o,k1,k2,e) \
87 des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
88
89 #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
90 des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
91
92 #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
93 des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
94
95 #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
96 des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
97
98 #define C_Block des_cblock
99 #define Key_schedule des_key_schedule
100 #ifdef KERBEROS
101 #define ENCRYPT DES_ENCRYPT
102 #define DECRYPT DES_DECRYPT
103 #endif
104 #define KEY_SZ DES_KEY_SZ
105 #define string_to_key des_string_to_key
106 #define read_pw_string des_read_pw_string
107 #define random_key des_random_key
108 #define pcbc_encrypt des_pcbc_encrypt
109 #define set_key des_set_key
110 #define key_sched des_key_sched
111 #define ecb_encrypt des_ecb_encrypt
112 #define cbc_encrypt des_cbc_encrypt
113 #define ncbc_encrypt des_ncbc_encrypt
114 #define xcbc_encrypt des_xcbc_encrypt
115 #define cbc_cksum des_cbc_cksum
116 #define quad_cksum des_quad_cksum
117
118 /* For compatibility with the MIT lib - eay 20/05/92 */
119 typedef des_key_schedule bit_64;
120 #define des_fixup_key_parity des_set_odd_parity
121 #define des_check_key_parity check_parity
122
123 extern int des_check_key; /* defaults to false */
124 extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
125
126 /* The next line is used to disable full ANSI prototypes, if your
127 * compiler has problems with the prototypes, make sure this line always
128 * evaluates to true :-) */
129 #if defined(MSDOS) || defined(__STDC__)
130 #undef NOPROTO
131 #endif
132 #ifndef NOPROTO
133 char *des_options(void);
134 void des_ecb3_encrypt(des_cblock *input,des_cblock *output,
135 des_key_schedule ks1,des_key_schedule ks2,
136 des_key_schedule ks3, int enc);
137 DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output,
138 long length,des_key_schedule schedule,des_cblock *ivec);
139 /*
140 void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
141 des_key_schedule schedule,des_cblock *ivec,int enc);
142 */
143 int des_cbc_encrypt(struct mbuf *, size_t, size_t,
144 des_key_schedule schedule,des_cblock *ivec, int enc);
145 void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
146 des_key_schedule schedule,des_cblock *ivec,int enc);
147 void des_xcbc_encrypt(des_cblock *input,des_cblock *output,long length,
148 des_key_schedule schedule,des_cblock *ivec,
149 des_cblock *inw,des_cblock *outw,int enc);
150 void des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
151 des_key_schedule sk1,des_key_schedule sk2,
152 des_cblock *ivec1,des_cblock *ivec2,int enc);
153 extern int des_3cbc_process(struct mbuf *, size_t, size_t,
154 des_key_schedule *schedule, des_cblock *ivec, int mode);
155 void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
156 long length,des_key_schedule schedule,des_cblock *ivec,int enc);
157 void des_ecb_encrypt(des_cblock *input,des_cblock *output,
158 des_key_schedule ks,int enc);
159 void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
160 void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
161 void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
162 long length, des_key_schedule ks1, des_key_schedule ks2,
163 des_key_schedule ks3, des_cblock *ivec, int enc);
164 void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out,
165 long length, des_key_schedule ks1, des_key_schedule ks2,
166 des_key_schedule ks3, des_cblock *ivec, int *num, int encrypt);
167 void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
168 long length, des_key_schedule ks1, des_key_schedule ks2,
169 des_key_schedule ks3, des_cblock *ivec, int *num);
170
171 int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
172 des_cblock *iv);
173 int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
174 des_cblock *iv);
175 #ifdef PERL5
176 char *des_crypt(const char *buf,const char *salt);
177 #else
178 /* some stupid compilers complain because I have declared char instead
179 * of const char */
180 #if 1
181 char *crypt(const char *buf,const char *salt);
182 #else
183 char *crypt();
184 #endif
185 #endif
186 void des_ofb_encrypt(unsigned char *in,unsigned char *out,
187 int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
188 void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
189 des_key_schedule schedule,des_cblock *ivec,int enc);
190 DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output,
191 long length,int out_count,des_cblock *seed);
192 void des_random_seed(des_cblock key);
193 void des_random_key(des_cblock ret);
194 int des_read_password(des_cblock *key,char *prompt,int verify);
195 int des_read_2passwords(des_cblock *key1,des_cblock *key2,
196 char *prompt,int verify);
197 int des_read_pw_string(char *buf,int length,char *prompt,int verify);
198 void des_set_odd_parity(des_cblock *key);
199 int des_is_weak_key(des_cblock *key);
200 int des_set_key(des_cblock *key,des_key_schedule schedule);
201 int des_key_sched(des_cblock *key,des_key_schedule schedule);
202 void des_string_to_key(char *str,des_cblock *key);
203 void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
204 void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
205 des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
206 void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
207 des_key_schedule schedule, des_cblock *ivec, int *num);
208
209 /* Extra functions from Mark Murray <mark (at) grondar.za> */
210 /*
211 void des_cblock_print_file(des_cblock *cb, FILE *fp);
212 */
213 /* The following functions are not in the normal unix build or the
214 * SSLeay build. When using the SSLeay build, use RAND_seed()
215 * and RAND_bytes() instead. */
216 int des_new_random_key(des_cblock *key);
217 void des_init_random_number_generator(des_cblock *key);
218 void des_set_random_generator_seed(des_cblock *key);
219 void des_set_sequence_number(des_cblock new_sequence_number);
220 void des_generate_random_block(des_cblock *block);
221
222 #else
223
224 char *des_options();
225 void des_ecb3_encrypt();
226 DES_LONG des_cbc_cksum();
227 void des_cbc_encrypt();
228 void des_ncbc_encrypt();
229 void des_xcbc_encrypt();
230 void des_3cbc_encrypt();
231 void des_cfb_encrypt();
232 void des_ede3_cfb64_encrypt();
233 void des_ede3_ofb64_encrypt();
234 void des_ecb_encrypt();
235 void des_encrypt();
236 void des_encrypt2();
237 void des_ede3_cbc_encrypt();
238 int des_enc_read();
239 int des_enc_write();
240 #ifdef PERL5
241 char *des_crypt();
242 #else
243 char *crypt();
244 #endif
245 void des_ofb_encrypt();
246 void des_pcbc_encrypt();
247 DES_LONG des_quad_cksum();
248 void des_random_seed();
249 void des_random_key();
250 int des_read_password();
251 int des_read_2passwords();
252 int des_read_pw_string();
253 void des_set_odd_parity();
254 int des_is_weak_key();
255 int des_set_key();
256 int des_key_sched();
257 void des_string_to_key();
258 void des_string_to_2keys();
259 void des_cfb64_encrypt();
260 void des_ofb64_encrypt();
261
262 /* Extra functions from Mark Murray <mark (at) grondar.za> */
263 void des_cblock_print_file();
264 /* The following functions are not in the normal unix build or the
265 * SSLeay build. When using the SSLeay build, use RAND_seed()
266 * and RAND_bytes() instead. */
267 #ifdef FreeBSD
268 int des_new_random_key();
269 void des_init_random_number_generator();
270 void des_set_random_generator_seed();
271 void des_set_sequence_number();
272 void des_generate_random_block();
273 #endif
274
275 #endif
276
277 #ifdef __cplusplus
278 }
279 #endif
280
281 #endif
282