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169cc7a1 | 1 | /* crypto/des/des.h */ |
d02b48c6 RE |
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 | ||
d02b48c6 RE |
59 | #ifndef HEADER_DES_H |
60 | #define HEADER_DES_H | |
61 | ||
62 | #ifdef __cplusplus | |
63 | extern "C" { | |
64 | #endif | |
65 | ||
f5d7a031 UM |
66 | #ifdef NO_DES |
67 | #error DES is disabled. | |
68 | #endif | |
69 | ||
d02b48c6 | 70 | #include <stdio.h> |
ec577822 | 71 | #include <openssl/opensslconf.h> /* DES_LONG */ |
d02b48c6 RE |
72 | |
73 | typedef unsigned char des_cblock[8]; | |
08853ba8 BL |
74 | typedef unsigned char *des_cblocks; /* Unfortunately there's no way to say that |
75 | we want a multiple of 8 */ | |
d02b48c6 RE |
76 | typedef struct des_ks_struct |
77 | { | |
78 | union { | |
79 | des_cblock _; | |
80 | /* make sure things are correct size on machines with | |
81 | * 8 byte longs */ | |
82 | DES_LONG pad[2]; | |
83 | } ks; | |
84 | #undef _ | |
85 | #define _ ks._ | |
dfeab068 | 86 | int weak_key; |
d02b48c6 RE |
87 | } des_key_schedule[16]; |
88 | ||
89 | #define DES_KEY_SZ (sizeof(des_cblock)) | |
90 | #define DES_SCHEDULE_SZ (sizeof(des_key_schedule)) | |
91 | ||
92 | #define DES_ENCRYPT 1 | |
93 | #define DES_DECRYPT 0 | |
94 | ||
95 | #define DES_CBC_MODE 0 | |
96 | #define DES_PCBC_MODE 1 | |
97 | ||
98 | #define des_ecb2_encrypt(i,o,k1,k2,e) \ | |
99 | des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e)) | |
100 | ||
101 | #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \ | |
102 | des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e)) | |
103 | ||
104 | #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \ | |
105 | des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e)) | |
106 | ||
107 | #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \ | |
108 | des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n)) | |
109 | ||
110 | #define C_Block des_cblock | |
111 | #define Key_schedule des_key_schedule | |
112 | #ifdef KERBEROS | |
113 | #define ENCRYPT DES_ENCRYPT | |
114 | #define DECRYPT DES_DECRYPT | |
115 | #endif | |
116 | #define KEY_SZ DES_KEY_SZ | |
117 | #define string_to_key des_string_to_key | |
118 | #define read_pw_string des_read_pw_string | |
119 | #define random_key des_random_key | |
120 | #define pcbc_encrypt des_pcbc_encrypt | |
121 | #define set_key des_set_key | |
122 | #define key_sched des_key_sched | |
123 | #define ecb_encrypt des_ecb_encrypt | |
124 | #define cbc_encrypt des_cbc_encrypt | |
125 | #define ncbc_encrypt des_ncbc_encrypt | |
126 | #define xcbc_encrypt des_xcbc_encrypt | |
127 | #define cbc_cksum des_cbc_cksum | |
128 | #define quad_cksum des_quad_cksum | |
129 | ||
130 | /* For compatibility with the MIT lib - eay 20/05/92 */ | |
131 | typedef des_key_schedule bit_64; | |
132 | #define des_fixup_key_parity des_set_odd_parity | |
133 | #define des_check_key_parity check_parity | |
134 | ||
135 | extern int des_check_key; /* defaults to false */ | |
136 | extern int des_rw_mode; /* defaults to DES_PCBC_MODE */ | |
dfeab068 | 137 | extern int des_set_weak_key_flag; /* set the weak key flag */ |
d02b48c6 | 138 | |
e778802f | 139 | const char *des_options(void); |
99f53c82 | 140 | void des_ecb3_encrypt(const des_cblock input, des_cblock output, |
08853ba8 BL |
141 | des_key_schedule ks1,des_key_schedule ks2, |
142 | des_key_schedule ks3, int enc); | |
143 | DES_LONG des_cbc_cksum(const unsigned char *input,des_cblock output, | |
144 | long length,des_key_schedule schedule, | |
145 | const des_cblock ivec); | |
146 | void des_cbc_encrypt(const unsigned char *input,unsigned char *output, | |
147 | long length,des_key_schedule schedule,des_cblock ivec, | |
148 | int enc); | |
149 | void des_ncbc_encrypt(const unsigned char *input,unsigned char *output, | |
150 | long length,des_key_schedule schedule,des_cblock ivec, | |
151 | int enc); | |
152 | void des_xcbc_encrypt(const unsigned char *input,unsigned char *output, | |
153 | long length,des_key_schedule schedule,des_cblock ivec, | |
154 | const des_cblock inw,const des_cblock outw,int enc); | |
155 | void des_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits, | |
156 | long length,des_key_schedule schedule,des_cblock ivec, | |
157 | int enc); | |
158 | void des_ecb_encrypt(const des_cblock input,des_cblock output, | |
159 | des_key_schedule ks,int enc); | |
d02b48c6 RE |
160 | void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc); |
161 | void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc); | |
162 | void des_encrypt3(DES_LONG *data, des_key_schedule ks1, | |
163 | des_key_schedule ks2, des_key_schedule ks3); | |
164 | void des_decrypt3(DES_LONG *data, des_key_schedule ks1, | |
165 | des_key_schedule ks2, des_key_schedule ks3); | |
08853ba8 BL |
166 | void des_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output, |
167 | long length, | |
168 | des_key_schedule ks1,des_key_schedule ks2, | |
169 | des_key_schedule ks3,des_cblock ivec,int enc); | |
170 | void des_ede3_cbcm_encrypt(const unsigned char *in,unsigned char *out, | |
171 | long length, | |
172 | des_key_schedule ks1,des_key_schedule ks2, | |
173 | des_key_schedule ks3, | |
174 | des_cblock ivec1,des_cblock ivec2, | |
175 | int enc); | |
176 | void des_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out, | |
177 | long length,des_key_schedule ks1, | |
178 | des_key_schedule ks2,des_key_schedule ks3, | |
179 | des_cblock ivec,int *num,int enc); | |
180 | void des_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out, | |
181 | long length,des_key_schedule ks1, | |
182 | des_key_schedule ks2,des_key_schedule ks3, | |
183 | des_cblock ivec,int *num); | |
d02b48c6 | 184 | |
08853ba8 BL |
185 | void des_xwhite_in2out(const des_cblock des_key,const des_cblock in_white, |
186 | des_cblock out_white); | |
d02b48c6 | 187 | |
61f5b6f3 | 188 | int des_enc_read(int fd,void *buf,int len,des_key_schedule sched, |
08853ba8 | 189 | des_cblock iv); |
61f5b6f3 | 190 | int des_enc_write(int fd,const void *buf,int len,des_key_schedule sched, |
08853ba8 | 191 | des_cblock iv); |
d02b48c6 | 192 | char *des_fcrypt(const char *buf,const char *salt, char *ret); |
8a522211 | 193 | #if defined(PERL5) || defined(__FreeBSD__) |
d02b48c6 RE |
194 | char *des_crypt(const char *buf,const char *salt); |
195 | #else | |
196 | /* some stupid compilers complain because I have declared char instead | |
197 | * of const char */ | |
198 | #ifdef HEADER_DES_LOCL_H | |
199 | char *crypt(const char *buf,const char *salt); | |
200 | #else | |
201 | char *crypt(); | |
202 | #endif | |
203 | #endif | |
08853ba8 BL |
204 | void des_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits, |
205 | long length,des_key_schedule schedule,des_cblock ivec); | |
206 | void des_pcbc_encrypt(const unsigned char *input,unsigned char *output, | |
207 | long length,des_key_schedule schedule,des_cblock ivec, | |
208 | int enc); | |
209 | DES_LONG des_quad_cksum(const unsigned char *input,des_cblocks output, | |
210 | long length,int out_count,des_cblock seed); | |
d02b48c6 RE |
211 | void des_random_seed(des_cblock key); |
212 | void des_random_key(des_cblock ret); | |
08853ba8 BL |
213 | int des_read_password(des_cblock key,const char *prompt,int verify); |
214 | int des_read_2passwords(des_cblock key1,des_cblock key2, | |
215 | const char *prompt,int verify); | |
216 | int des_read_pw_string(char *buf,int length,const char *prompt,int verify); | |
217 | void des_set_odd_parity(des_cblock key); | |
218 | int des_is_weak_key(const des_cblock key); | |
219 | int des_set_key(const des_cblock key,des_key_schedule schedule); | |
220 | int des_key_sched(const des_cblock key,des_key_schedule schedule); | |
221 | void des_string_to_key(const char *str,des_cblock key); | |
222 | void des_string_to_2keys(const char *str,des_cblock key1,des_cblock key2); | |
223 | void des_cfb64_encrypt(const unsigned char *in,unsigned char *out,long length, | |
224 | des_key_schedule schedule,des_cblock ivec,int *num, | |
225 | int enc); | |
226 | void des_ofb64_encrypt(const unsigned char *in,unsigned char *out,long length, | |
227 | des_key_schedule schedule,des_cblock ivec,int *num); | |
228 | int des_read_pw(char *buf,char *buff,int size,const char *prompt,int verify); | |
d02b48c6 RE |
229 | |
230 | /* Extra functions from Mark Murray <mark@grondar.za> */ | |
08853ba8 | 231 | void des_cblock_print_file(const des_cblock cb, FILE *fp); |
c74b3a60 DSH |
232 | |
233 | #ifdef FreeBSD | |
d02b48c6 RE |
234 | /* The following functions are not in the normal unix build or the |
235 | * SSLeay build. When using the SSLeay build, use RAND_seed() | |
236 | * and RAND_bytes() instead. */ | |
237 | int des_new_random_key(des_cblock *key); | |
238 | void des_init_random_number_generator(des_cblock *key); | |
239 | void des_set_random_generator_seed(des_cblock *key); | |
240 | void des_set_sequence_number(des_cblock new_sequence_number); | |
241 | void des_generate_random_block(des_cblock *block); | |
c74b3a60 | 242 | #endif |
d02b48c6 | 243 | |
d02b48c6 RE |
244 | #ifdef __cplusplus |
245 | } | |
246 | #endif | |
247 | ||
248 | #endif |