Annotation of sys/crypto/des.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: des.h,v 1.3 2005/06/13 10:56:44 hshoexer Exp $ */
2:
3: /* lib/des/des.h */
4: /* Copyright (C) 1995 Eric Young (eay@mincom.oz.au)
5: * All rights reserved.
6: *
7: * This file is part of an SSL implementation written
8: * by Eric Young (eay@mincom.oz.au).
9: * The implementation was written so as to conform with Netscapes SSL
10: * specification. This library and applications are
11: * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
12: * as long as the following conditions are aheared to.
13: *
14: * Copyright remains Eric Young's, and as such any Copyright notices in
15: * the code are not to be removed. If this code is used in a product,
16: * Eric Young should be given attribution as the author of the parts used.
17: * This can be in the form of a textual message at program startup or
18: * in documentation (online or textual) provided with the package.
19: *
20: * Redistribution and use in source and binary forms, with or without
21: * modification, are permitted provided that the following conditions
22: * are met:
23: * 1. Redistributions of source code must retain the copyright
24: * notice, this list of conditions and the following disclaimer.
25: * 2. Redistributions in binary form must reproduce the above copyright
26: * notice, this list of conditions and the following disclaimer in the
27: * documentation and/or other materials provided with the distribution.
28: * 3. All advertising materials mentioning features or use of this software
29: * must display the following acknowledgement:
30: * This product includes software developed by Eric Young (eay@mincom.oz.au)
31: *
32: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
33: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
36: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42: * SUCH DAMAGE.
43: *
44: * The licence and distribution terms for any publically available version or
45: * derivative of this code cannot be changed. i.e. this code cannot simply be
46: * copied and put under another distribution licence
47: * [including the GNU Public Licence.]
48: */
49:
50: #ifndef HEADER_DES_H
51: #define HEADER_DES_H
52:
53: #include <sys/types.h>
54: #ifndef _KERNEL
55: #include <stdio.h>
56: #endif
57:
58: typedef unsigned char des_cblock[8];
59: typedef struct des_ks_struct
60: {
61: union {
62: des_cblock _;
63: /* make sure things are correct size on machines with
64: * 8 byte longs */
65: int32_t pad[2];
66: } ks;
67: #undef _
68: #define _ ks._
69: } des_key_schedule[16];
70:
71: #define DES_KEY_SZ (sizeof(des_cblock))
72: #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
73:
74: #define DES_ENCRYPT 1
75: #define DES_DECRYPT 0
76:
77: #define DES_CBC_MODE 0
78: #define DES_PCBC_MODE 1
79:
80: #define des_ecb2_encrypt(i,o,k1,k2,e) \
81: des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
82:
83: #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
84: des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
85:
86: #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
87: des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
88:
89: #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
90: des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
91:
92: #define C_Block des_cblock
93: #define Key_schedule des_key_schedule
94: #define ENCRYPT DES_ENCRYPT
95: #define DECRYPT DES_DECRYPT
96: #define KEY_SZ DES_KEY_SZ
97: #define string_to_key des_string_to_key
98: #define read_pw_string des_read_pw_string
99: #define random_key des_random_key
100: #define pcbc_encrypt des_pcbc_encrypt
101: #define set_key des_set_key
102: #define key_sched des_key_sched
103: #define ecb_encrypt des_ecb_encrypt
104: #define cbc_encrypt des_cbc_encrypt
105: #define ncbc_encrypt des_ncbc_encrypt
106: #define cbc_cksum des_cbc_cksum
107: #define quad_cksum des_quad_cksum
108:
109: /* For compatibility with the MIT lib - eay 20/05/92 */
110: typedef struct des_key_schedule bit_64;
111: #define des_fixup_key_parity des_set_odd_parity
112: #define des_check_key_parity check_parity
113:
114: extern int des_check_key; /* defaults to false */
115: extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
116:
117: /* The next line is used to disable full ANSI prototypes, if your
118: * compiler has problems with the prototypes, make sure this line always
119: * evaluates to true :-) */
120: #if defined(__STDC__)
121: #undef PROTO
122: #define PROTO
123: #endif
124: #ifdef PROTO
125: void des_ecb3_encrypt(des_cblock *input,des_cblock *output,
126: des_key_schedule ks1,des_key_schedule ks2,
127: des_key_schedule ks3, int enc);
128: u_int32_t des_cbc_cksum(des_cblock *input,des_cblock *output,
129: long length,des_key_schedule schedule,des_cblock *ivec);
130: void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
131: des_key_schedule schedule,des_cblock *ivec,int enc);
132: void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
133: des_key_schedule schedule,des_cblock *ivec,int enc);
134: void des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
135: des_key_schedule sk1,des_key_schedule sk2,
136: des_cblock *ivec1,des_cblock *ivec2,int enc);
137: void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
138: long length,des_key_schedule schedule,des_cblock *ivec,int enc);
139: void des_ecb_encrypt(des_cblock *input,des_cblock *output,
140: des_key_schedule ks,int enc);
141: void des_encrypt(u_int32_t *data,des_key_schedule ks, int enc);
142: void des_encrypt2(u_int32_t *data,des_key_schedule ks, int enc);
143: void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
144: long length, des_key_schedule ks1, des_key_schedule ks2,
145: des_key_schedule ks3, des_cblock *ivec, int enc);
146: void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out,
147: long length, des_key_schedule ks1, des_key_schedule ks2,
148: des_key_schedule ks3, des_cblock *ivec, int *num, int encrypt);
149: void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
150: long length, des_key_schedule ks1, des_key_schedule ks2,
151: des_key_schedule ks3, des_cblock *ivec, int *num);
152:
153: int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
154: des_cblock *iv);
155: int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
156: des_cblock *iv);
157: #ifdef PERL5
158: char *des_crypt(const char *buf,const char *salt);
159: #else
160: /* some stupid compilers complain because I have declared char instead
161: * of const char */
162: #ifdef HEADER_DES_LOCL_H
163: char *crypt(const char *buf,const char *salt);
164: #else
165: char *crypt();
166: #endif
167: #endif
168: void des_ofb_encrypt(unsigned char *in,unsigned char *out,
169: int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
170: void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
171: des_key_schedule schedule,des_cblock *ivec,int enc);
172: u_int32_t des_quad_cksum(des_cblock *input,des_cblock *output,
173: long length,int out_count,des_cblock *seed);
174: void des_random_seed(des_cblock key);
175: void des_random_key(des_cblock ret);
176: int des_read_password(des_cblock *key,char *prompt,int verify);
177: int des_read_2passwords(des_cblock *key1,des_cblock *key2,
178: char *prompt,int verify);
179: int des_read_pw_string(char *buf,int length,char *prompt,int verify);
180: void des_set_odd_parity(des_cblock *key);
181: int des_is_weak_key(des_cblock *key);
182: int des_set_key(des_cblock *key,des_key_schedule schedule);
183: int des_key_sched(des_cblock *key,des_key_schedule schedule);
184: void des_string_to_key(char *str,des_cblock *key);
185: void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
186: void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
187: des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
188: void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
189: des_key_schedule schedule, des_cblock *ivec, int *num);
190:
191: /*
192: * Extra functions from Mark Murray <mark@grondar.za>
193: * The following functions are not in the normal unix build or the
194: * SSLeay build. When using the SSLeay build, use RAND_seed()
195: * and RAND_bytes() instead.
196: */
197: int des_new_random_key(des_cblock *key);
198: void des_init_random_number_generator(des_cblock *key);
199: void des_set_random_generator_seed(des_cblock *key);
200: void des_set_sequence_number(des_cblock new_sequence_number);
201: void des_generate_random_block(des_cblock *block);
202:
203: #else
204:
205: void des_ecb3_encrypt();
206: u_int32_t des_cbc_cksum();
207: void des_cbc_encrypt();
208: void des_ncbc_encrypt();
209: void des_3cbc_encrypt();
210: void des_cfb_encrypt();
211: void des_ede3_cfb64_encrypt();
212: void des_ede3_ofb64_encrypt();
213: void des_ecb_encrypt();
214: void des_encrypt();
215: void des_encrypt2();
216: void des_ede3_cbc_encrypt();
217: int des_enc_read();
218: int des_enc_write();
219: #ifdef PERL5
220: char *des_crypt();
221: #else
222: char *crypt();
223: #endif
224: void des_ofb_encrypt();
225: void des_pcbc_encrypt();
226: u_int32_t des_quad_cksum();
227: void des_random_seed();
228: void des_random_key();
229: int des_read_password();
230: int des_read_2passwords();
231: int des_read_pw_string();
232: void des_set_odd_parity();
233: int des_is_weak_key();
234: int des_set_key();
235: int des_key_sched();
236: void des_string_to_key();
237: void des_string_to_2keys();
238: void des_cfb64_encrypt();
239: void des_ofb64_encrypt();
240:
241: /*
242: * Extra functions from Mark Murray <mark@grondar.za>
243: * The following functions are not in the normal unix build or the
244: * SSLeay build. When using the SSLeay build, use RAND_seed()
245: * and RAND_bytes() instead.
246: */
247: int des_new_random_key();
248: void des_init_random_number_generator();
249: void des_set_random_generator_seed();
250: void des_set_sequence_number();
251: void des_generate_random_block();
252:
253: #endif
254: #endif
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