summaryrefslogtreecommitdiffstats
path: root/sys/crypto/des/des.h
blob: 16a8129fea9d40360a81d3804c320a7f45f037d7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
/* lib/des/des.h */
/* Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au)
 * All rights reserved.
 *
 * This file is part of an SSL implementation written
 * by Eric Young (eay@mincom.oz.au).
 * The implementation was written so as to conform with Netscapes SSL
 * specification.  This library and applications are
 * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
 * as long as the following conditions are aheared to.
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.  If this code is used in a product,
 * Eric Young should be given attribution as the author of the parts used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    This product includes software developed by Eric Young (eay@mincom.oz.au)
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 *
 * $FreeBSD$
 */

#ifndef HEADER_DES_H
#define	HEADER_DES_H

#ifdef  __cplusplus
extern "C" {
#endif

/* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
 * %20 speed up (longs are 8 bytes, int's are 4). */
#ifndef DES_LONG
#define	DES_LONG unsigned long
#endif

typedef unsigned char des_cblock[8];
typedef struct des_ks_struct
	{
	union	{
		des_cblock _;
		/* make sure things are correct size on machines with
		 * 8 byte longs */
		DES_LONG pad[2];
		} ks;
#undef _
#define	_	ks._
	} des_key_schedule[16];

#define	DES_KEY_SZ 	(sizeof(des_cblock))
#define	DES_SCHEDULE_SZ (sizeof(des_key_schedule))

#define	DES_ENCRYPT	1
#define	DES_DECRYPT	0

#define	DES_CBC_MODE	0
#define	DES_PCBC_MODE	1

#define	des_ecb2_encrypt(i,o,k1,k2,e) \
	des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))

#define	des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
	des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))

#define	des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
	des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))

#define	des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
	des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))

#define	C_Block des_cblock
#define	Key_schedule des_key_schedule
#ifdef KERBEROS
#define	ENCRYPT DES_ENCRYPT
#define	DECRYPT DES_DECRYPT
#endif
#define	KEY_SZ DES_KEY_SZ
#define	string_to_key des_string_to_key
#define	read_pw_string des_read_pw_string
#define	random_key des_random_key
#define	pcbc_encrypt des_pcbc_encrypt
#define	set_key des_set_key
#define	key_sched des_key_sched
#define	ecb_encrypt des_ecb_encrypt
#define	cbc_encrypt des_cbc_encrypt
#define	ncbc_encrypt des_ncbc_encrypt
#define	xcbc_encrypt des_xcbc_encrypt
#define	cbc_cksum des_cbc_cksum
#define	quad_cksum des_quad_cksum

/* For compatibility with the MIT lib - eay 20/05/92 */
typedef des_key_schedule bit_64;
#define	des_fixup_key_parity des_set_odd_parity
#define	des_check_key_parity check_parity

extern int des_check_key;	/* defaults to false */
extern int des_rw_mode;		/* defaults to DES_PCBC_MODE */

/* The next line is used to disable full ANSI prototypes, if your
 * compiler has problems with the prototypes, make sure this line always
 * evaluates to true :-) */
#if defined(MSDOS) || defined(__STDC__)
#undef NOPROTO
#endif
#ifndef NOPROTO
char *des_options(void);
void des_ecb3_encrypt(des_cblock *input,des_cblock *output,
	des_key_schedule ks1,des_key_schedule ks2,
	des_key_schedule ks3, int enc);
DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output,
	long length,des_key_schedule schedule,des_cblock *ivec);
/*
void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
	des_key_schedule schedule,des_cblock *ivec,int enc);
*/
void des_cbc_encrypt(struct mbuf *, size_t, size_t,
	des_key_schedule schedule,des_cblock *ivec, int enc);
void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
	des_key_schedule schedule,des_cblock *ivec,int enc);
void des_xcbc_encrypt(des_cblock *input,des_cblock *output,long length,
	des_key_schedule schedule,des_cblock *ivec,
	des_cblock *inw,des_cblock *outw,int enc);
void des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
	des_key_schedule sk1,des_key_schedule sk2,
	des_cblock *ivec1,des_cblock *ivec2,int enc);
extern void des_3cbc_process(struct mbuf *, size_t, size_t,
	des_key_schedule *schedule, des_cblock *ivec, int mode);
void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
	long length,des_key_schedule schedule,des_cblock *ivec,int enc);
void des_ecb_encrypt(des_cblock *input,des_cblock *output,
	des_key_schedule ks,int enc);
void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
	long length, des_key_schedule ks1, des_key_schedule ks2,
	des_key_schedule ks3, des_cblock *ivec, int enc);
void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out,
	long length, des_key_schedule ks1, des_key_schedule ks2,
	des_key_schedule ks3, des_cblock *ivec, int *num, int encrypt);
void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
	long length, des_key_schedule ks1, des_key_schedule ks2,
	des_key_schedule ks3, des_cblock *ivec, int *num);

int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
	des_cblock *iv);
int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
	des_cblock *iv);
#ifdef PERL5
char *des_crypt(const char *buf,const char *salt);
#else
/* some stupid compilers complain because I have declared char instead
 * of const char */
#if 1
char *crypt(const char *buf,const char *salt);
#else
char *crypt();
#endif
#endif
void des_ofb_encrypt(unsigned char *in,unsigned char *out,
	int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
	des_key_schedule schedule,des_cblock *ivec,int enc);
DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output,
	long length,int out_count,des_cblock *seed);
void des_random_seed(des_cblock key);
void des_random_key(des_cblock ret);
int des_read_password(des_cblock *key,char *prompt,int verify);
int des_read_2passwords(des_cblock *key1,des_cblock *key2,
	char *prompt,int verify);
int des_read_pw_string(char *buf,int length,char *prompt,int verify);
void des_set_odd_parity(des_cblock *key);
int des_is_weak_key(des_cblock *key);
int des_set_key(des_cblock *key,des_key_schedule schedule);
int des_key_sched(des_cblock *key,des_key_schedule schedule);
void des_string_to_key(char *str,des_cblock *key);
void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
	des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
	des_key_schedule schedule, des_cblock *ivec, int *num);

/* Extra functions from Mark Murray <mark@grondar.za> */
/*
void des_cblock_print_file(des_cblock *cb, FILE *fp);
*/
/* The following functions are not in the normal unix build or the
 * SSLeay build.  When using the SSLeay build, use RAND_seed()
 * and RAND_bytes() instead. */
int des_new_random_key(des_cblock *key);
void des_init_random_number_generator(des_cblock *key);
void des_set_random_generator_seed(des_cblock *key);
void des_set_sequence_number(des_cblock new_sequence_number);
void des_generate_random_block(des_cblock *block);

#else

char *des_options();
void des_ecb3_encrypt();
DES_LONG des_cbc_cksum();
void des_cbc_encrypt();
void des_ncbc_encrypt();
void des_xcbc_encrypt();
void des_3cbc_encrypt();
void des_cfb_encrypt();
void des_ede3_cfb64_encrypt();
void des_ede3_ofb64_encrypt();
void des_ecb_encrypt();
void des_encrypt();
void des_encrypt2();
void des_ede3_cbc_encrypt();
int des_enc_read();
int des_enc_write();
#ifdef PERL5
char *des_crypt();
#else
char *crypt();
#endif
void des_ofb_encrypt();
void des_pcbc_encrypt();
DES_LONG des_quad_cksum();
void des_random_seed();
void des_random_key();
int des_read_password();
int des_read_2passwords();
int des_read_pw_string();
void des_set_odd_parity();
int des_is_weak_key();
int des_set_key();
int des_key_sched();
void des_string_to_key();
void des_string_to_2keys();
void des_cfb64_encrypt();
void des_ofb64_encrypt();

/* Extra functions from Mark Murray <mark@grondar.za> */
void des_cblock_print_file();
/* The following functions are not in the normal unix build or the
 * SSLeay build.  When using the SSLeay build, use RAND_seed()
 * and RAND_bytes() instead. */
#ifdef FreeBSD
int des_new_random_key();
void des_init_random_number_generator();
void des_set_random_generator_seed();
void des_set_sequence_number();
void des_generate_random_block();
#endif

#endif

#ifdef  __cplusplus
}
#endif

#endif
OpenPOWER on IntegriCloud