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Import of old SSLeay release: SSLeay 0.9.1b (unreleased)
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1/* crypto/des/des.org */
2/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58
59/* WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
60 *
61 * Always modify des.org since des.h is automatically generated from
62 * it during SSLeay configuration.
63 *
64 * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
65 */
66
67#ifndef HEADER_DES_H
68#define HEADER_DES_H
69
70#ifdef __cplusplus
71extern "C" {
72#endif
73
74#include <stdio.h>
75
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). */
78#ifndef DES_LONG
79#define DES_LONG unsigned long
80#endif
81
82typedef unsigned char des_cblock[8];
83typedef struct des_ks_struct
84 {
85 union {
86 des_cblock _;
87 /* make sure things are correct size on machines with
88 * 8 byte longs */
89 DES_LONG pad[2];
90 } ks;
91#undef _
92#define _ ks._
dfeab068 93 int weak_key;
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94 } des_key_schedule[16];
95
96#define DES_KEY_SZ (sizeof(des_cblock))
97#define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
98
99#define DES_ENCRYPT 1
100#define DES_DECRYPT 0
101
102#define DES_CBC_MODE 0
103#define DES_PCBC_MODE 1
104
105#define des_ecb2_encrypt(i,o,k1,k2,e) \
106 des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
107
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))
110
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))
113
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))
116
117#define C_Block des_cblock
118#define Key_schedule des_key_schedule
119#ifdef KERBEROS
120#define ENCRYPT DES_ENCRYPT
121#define DECRYPT DES_DECRYPT
122#endif
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
136
137/* For compatibility with the MIT lib - eay 20/05/92 */
138typedef des_key_schedule bit_64;
139#define des_fixup_key_parity des_set_odd_parity
140#define des_check_key_parity check_parity
141
142extern int des_check_key; /* defaults to false */
143extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
dfeab068 144extern int des_set_weak_key_flag; /* set the weak key flag */
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145
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__)
150#undef NOPROTO
151#endif
152#ifndef NOPROTO
153char *des_options(void);
154void 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);
157DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output,
158 long length,des_key_schedule schedule,des_cblock *ivec);
159void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
160 des_key_schedule schedule,des_cblock *ivec,int enc);
161void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
162 des_key_schedule schedule,des_cblock *ivec,int enc);
163void 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);
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166void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
167 long length,des_key_schedule schedule,des_cblock *ivec,int enc);
168void des_ecb_encrypt(des_cblock *input,des_cblock *output,
169 des_key_schedule ks,int enc);
170void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
171void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
172void des_encrypt3(DES_LONG *data, des_key_schedule ks1,
173 des_key_schedule ks2, des_key_schedule ks3);
174void des_decrypt3(DES_LONG *data, des_key_schedule ks1,
175 des_key_schedule ks2, des_key_schedule ks3);
176void 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);
179void 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);
182void 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);
185
186void des_xwhite_in2out(des_cblock (*des_key), des_cblock (*in_white),
187 des_cblock (*out_white));
188
189int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
190 des_cblock *iv);
191int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
192 des_cblock *iv);
193char *des_fcrypt(const char *buf,const char *salt, char *ret);
194#ifdef PERL5
195char *des_crypt(const char *buf,const char *salt);
196#else
197/* some stupid compilers complain because I have declared char instead
198 * of const char */
199#ifdef HEADER_DES_LOCL_H
200char *crypt(const char *buf,const char *salt);
201#else
202char *crypt();
203#endif
204#endif
205void des_ofb_encrypt(unsigned char *in,unsigned char *out,
206 int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
207void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
208 des_key_schedule schedule,des_cblock *ivec,int enc);
209DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output,
210 long length,int out_count,des_cblock *seed);
211void des_random_seed(des_cblock key);
212void des_random_key(des_cblock ret);
213int des_read_password(des_cblock *key,char *prompt,int verify);
214int des_read_2passwords(des_cblock *key1,des_cblock *key2,
215 char *prompt,int verify);
216int des_read_pw_string(char *buf,int length,char *prompt,int verify);
217void des_set_odd_parity(des_cblock *key);
218int des_is_weak_key(des_cblock *key);
219int des_set_key(des_cblock *key,des_key_schedule schedule);
220int des_key_sched(des_cblock *key,des_key_schedule schedule);
221void des_string_to_key(char *str,des_cblock *key);
222void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
223void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
224 des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
225void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
226 des_key_schedule schedule, des_cblock *ivec, int *num);
227int des_read_pw(char *buf, char *buff, int size, char *prompt, int verify);
228
229/* Extra functions from Mark Murray <mark@grondar.za> */
230void 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. */
234int des_new_random_key(des_cblock *key);
235void des_init_random_number_generator(des_cblock *key);
236void des_set_random_generator_seed(des_cblock *key);
237void des_set_sequence_number(des_cblock new_sequence_number);
238void des_generate_random_block(des_cblock *block);
239
240#else
241
242char *des_options();
243void des_ecb3_encrypt();
244DES_LONG des_cbc_cksum();
245void des_cbc_encrypt();
246void des_ncbc_encrypt();
247void des_xcbc_encrypt();
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248void des_cfb_encrypt();
249void des_ede3_cfb64_encrypt();
250void des_ede3_ofb64_encrypt();
251void des_ecb_encrypt();
252void des_encrypt();
253void des_encrypt2();
254void des_encrypt3();
255void des_decrypt3();
256void des_ede3_cbc_encrypt();
257int des_enc_read();
258int des_enc_write();
259char *des_fcrypt();
260#ifdef PERL5
261char *des_crypt();
262#else
263char *crypt();
264#endif
265void des_ofb_encrypt();
266void des_pcbc_encrypt();
267DES_LONG des_quad_cksum();
268void des_random_seed();
269void des_random_key();
270int des_read_password();
271int des_read_2passwords();
272int des_read_pw_string();
273void des_set_odd_parity();
274int des_is_weak_key();
275int des_set_key();
276int des_key_sched();
277void des_string_to_key();
278void des_string_to_2keys();
279void des_cfb64_encrypt();
280void des_ofb64_encrypt();
281int des_read_pw();
282void des_xwhite_in2out();
283
284/* Extra functions from Mark Murray <mark@grondar.za> */
285void 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. */
289#ifdef FreeBSD
290int des_new_random_key();
291void des_init_random_number_generator();
292void des_set_random_generator_seed();
293void des_set_sequence_number();
294void des_generate_random_block();
295#endif
296
297#endif
298
299#ifdef __cplusplus
300}
301#endif
302
303#endif