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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 | |
71 | extern "C" { | |
72 | #endif | |
73 | ||
74 | ||
75 | /* If this is set to 'unsigned int' on a DEC Alpha, this gives about a | |
76 | * %20 speed up (longs are 8 bytes, int's are 4). */ | |
77 | /* Must be unsigned int on ia64/Itanium or DES breaks badly */ | |
78 | ||
79 | #ifdef __KERNEL__ | |
80 | #include <linux/types.h> | |
81 | #else | |
82 | #include <sys/types.h> | |
83 | #endif | |
84 | ||
85 | #ifndef DES_LONG | |
86 | #define DES_LONG u_int32_t | |
87 | #endif | |
88 | ||
89 | typedef unsigned char des_cblock[8]; | |
90 | typedef struct des_ks_struct | |
91 | { | |
92 | union { | |
93 | des_cblock _; | |
94 | /* make sure things are correct size on machines with | |
95 | * 8 byte longs */ | |
96 | DES_LONG pad[2]; | |
97 | } ks; | |
98 | #undef _ | |
99 | #define _ ks._ | |
100 | } des_key_schedule[16]; | |
101 | ||
102 | #define DES_KEY_SZ (sizeof(des_cblock)) | |
103 | #define DES_SCHEDULE_SZ (sizeof(des_key_schedule)) | |
104 | ||
105 | #define DES_ENCRYPT 1 | |
106 | #define DES_DECRYPT 0 | |
107 | ||
108 | #define DES_CBC_MODE 0 | |
109 | #define DES_PCBC_MODE 1 | |
110 | ||
111 | #define des_ecb2_encrypt(i,o,k1,k2,e) \ | |
112 | des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e)) | |
113 | ||
114 | #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \ | |
115 | des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e)) | |
116 | ||
117 | #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \ | |
118 | des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e)) | |
119 | ||
120 | #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \ | |
121 | des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n)) | |
122 | ||
123 | #define C_Block des_cblock | |
124 | #define Key_schedule des_key_schedule | |
125 | #ifdef KERBEROS | |
126 | #define ENCRYPT DES_ENCRYPT | |
127 | #define DECRYPT DES_DECRYPT | |
128 | #endif | |
129 | #define KEY_SZ DES_KEY_SZ | |
130 | #define string_to_key des_string_to_key | |
131 | #define read_pw_string des_read_pw_string | |
132 | #define random_key des_random_key | |
133 | #define pcbc_encrypt des_pcbc_encrypt | |
134 | #define set_key des_set_key | |
135 | #define key_sched des_key_sched | |
136 | #define ecb_encrypt des_ecb_encrypt | |
137 | #define cbc_encrypt des_cbc_encrypt | |
138 | #define ncbc_encrypt des_ncbc_encrypt | |
139 | #define xcbc_encrypt des_xcbc_encrypt | |
140 | #define cbc_cksum des_cbc_cksum | |
141 | #define quad_cksum des_quad_cksum | |
142 | ||
143 | /* For compatibility with the MIT lib - eay 20/05/92 */ | |
144 | typedef des_key_schedule bit_64; | |
145 | #define des_fixup_key_parity des_set_odd_parity | |
146 | #define des_check_key_parity check_parity | |
147 | ||
148 | extern int des_check_key; /* defaults to false */ | |
149 | extern int des_rw_mode; /* defaults to DES_PCBC_MODE */ | |
150 | ||
151 | /* The next line is used to disable full ANSI prototypes, if your | |
152 | * compiler has problems with the prototypes, make sure this line always | |
153 | * evaluates to true :-) */ | |
154 | #if defined(MSDOS) || defined(__STDC__) | |
155 | #undef NOPROTO | |
156 | #endif | |
157 | #ifndef NOPROTO | |
158 | char *des_options(void); | |
159 | void des_ecb3_encrypt(des_cblock *input,des_cblock *output, | |
160 | des_key_schedule ks1,des_key_schedule ks2, | |
161 | des_key_schedule ks3, int enc); | |
162 | DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output, | |
163 | long length,des_key_schedule schedule,des_cblock *ivec); | |
164 | void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length, | |
165 | des_key_schedule schedule,des_cblock *ivec,int enc); | |
166 | void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length, | |
167 | des_key_schedule schedule,des_cblock *ivec,int enc); | |
168 | void des_xcbc_encrypt(des_cblock *input,des_cblock *output,long length, | |
169 | des_key_schedule schedule,des_cblock *ivec, | |
170 | des_cblock *inw,des_cblock *outw,int enc); | |
171 | void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits, | |
172 | long length,des_key_schedule schedule,des_cblock *ivec,int enc); | |
173 | void des_ecb_encrypt(des_cblock *input,des_cblock *output, | |
174 | des_key_schedule ks,int enc); | |
175 | void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc); | |
176 | void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc); | |
177 | void des_encrypt3(DES_LONG *data, des_key_schedule ks1, | |
178 | des_key_schedule ks2, des_key_schedule ks3); | |
179 | void des_decrypt3(DES_LONG *data, des_key_schedule ks1, | |
180 | des_key_schedule ks2, des_key_schedule ks3); | |
181 | void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output, | |
182 | long length, des_key_schedule ks1, des_key_schedule ks2, | |
183 | des_key_schedule ks3, des_cblock *ivec, int enc); | |
184 | void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out, | |
185 | long length, des_key_schedule ks1, des_key_schedule ks2, | |
186 | des_key_schedule ks3, des_cblock *ivec, int *num, int enc); | |
187 | void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out, | |
188 | long length, des_key_schedule ks1, des_key_schedule ks2, | |
189 | des_key_schedule ks3, des_cblock *ivec, int *num); | |
190 | ||
191 | void des_xwhite_in2out(des_cblock (*des_key), des_cblock (*in_white), | |
192 | des_cblock (*out_white)); | |
193 | ||
194 | int des_enc_read(int fd,char *buf,int len,des_key_schedule sched, | |
195 | des_cblock *iv); | |
196 | int des_enc_write(int fd,char *buf,int len,des_key_schedule sched, | |
197 | des_cblock *iv); | |
198 | char *des_fcrypt(const char *buf,const char *salt, char *ret); | |
199 | #ifdef PERL5 | |
200 | char *des_crypt(const char *buf,const char *salt); | |
201 | #else | |
202 | /* some stupid compilers complain because I have declared char instead | |
203 | * of const char */ | |
204 | #ifndef __KERNEL__ | |
205 | #ifdef HEADER_DES_LOCL_H | |
206 | char *crypt(const char *buf,const char *salt); | |
207 | #else /* HEADER_DES_LOCL_H */ | |
208 | char *crypt(void); | |
209 | #endif /* HEADER_DES_LOCL_H */ | |
210 | #endif /* __KERNEL__ */ | |
211 | #endif /* PERL5 */ | |
212 | void des_ofb_encrypt(unsigned char *in,unsigned char *out, | |
213 | int numbits,long length,des_key_schedule schedule,des_cblock *ivec); | |
214 | void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length, | |
215 | des_key_schedule schedule,des_cblock *ivec,int enc); | |
216 | DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output, | |
217 | long length,int out_count,des_cblock *seed); | |
218 | void des_random_seed(des_cblock key); | |
219 | void des_random_key(des_cblock ret); | |
220 | int des_read_password(des_cblock *key,char *prompt,int verify); | |
221 | int des_read_2passwords(des_cblock *key1,des_cblock *key2, | |
222 | char *prompt,int verify); | |
223 | int des_read_pw_string(char *buf,int length,char *prompt,int verify); | |
224 | void des_set_odd_parity(des_cblock *key); | |
225 | int des_is_weak_key(des_cblock *key); | |
226 | int des_set_key(des_cblock *key,des_key_schedule schedule); | |
227 | int des_key_sched(des_cblock *key,des_key_schedule schedule); | |
228 | void des_string_to_key(char *str,des_cblock *key); | |
229 | void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2); | |
230 | void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length, | |
231 | des_key_schedule schedule, des_cblock *ivec, int *num, int enc); | |
232 | void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length, | |
233 | des_key_schedule schedule, des_cblock *ivec, int *num); | |
234 | int des_read_pw(char *buf, char *buff, int size, char *prompt, int verify); | |
235 | ||
236 | /* Extra functions from Mark Murray <mark@grondar.za> */ | |
237 | /* The following functions are not in the normal unix build or the | |
238 | * SSLeay build. When using the SSLeay build, use RAND_seed() | |
239 | * and RAND_bytes() instead. */ | |
240 | int des_new_random_key(des_cblock *key); | |
241 | void des_init_random_number_generator(des_cblock *key); | |
242 | void des_set_random_generator_seed(des_cblock *key); | |
243 | void des_set_sequence_number(des_cblock new_sequence_number); | |
244 | void des_generate_random_block(des_cblock *block); | |
245 | ||
246 | #else | |
247 | ||
248 | char *des_options(); | |
249 | void des_ecb3_encrypt(); | |
250 | DES_LONG des_cbc_cksum(); | |
251 | void des_cbc_encrypt(); | |
252 | void des_ncbc_encrypt(); | |
253 | void des_xcbc_encrypt(); | |
254 | void des_cfb_encrypt(); | |
255 | void des_ede3_cfb64_encrypt(); | |
256 | void des_ede3_ofb64_encrypt(); | |
257 | void des_ecb_encrypt(); | |
258 | void des_encrypt(); | |
259 | void des_encrypt2(); | |
260 | void des_encrypt3(); | |
261 | void des_decrypt3(); | |
262 | void des_ede3_cbc_encrypt(); | |
263 | int des_enc_read(); | |
264 | int des_enc_write(); | |
265 | char *des_fcrypt(); | |
266 | #ifdef PERL5 | |
267 | char *des_crypt(); | |
268 | #else | |
269 | char *crypt(); | |
270 | #endif | |
271 | void des_ofb_encrypt(); | |
272 | void des_pcbc_encrypt(); | |
273 | DES_LONG des_quad_cksum(); | |
274 | void des_random_seed(); | |
275 | void des_random_key(); | |
276 | int des_read_password(); | |
277 | int des_read_2passwords(); | |
278 | int des_read_pw_string(); | |
279 | void des_set_odd_parity(); | |
280 | int des_is_weak_key(); | |
281 | int des_set_key(); | |
282 | int des_key_sched(); | |
283 | void des_string_to_key(); | |
284 | void des_string_to_2keys(); | |
285 | void des_cfb64_encrypt(); | |
286 | void des_ofb64_encrypt(); | |
287 | int des_read_pw(); | |
288 | void des_xwhite_in2out(); | |
289 | ||
290 | /* Extra functions from Mark Murray <mark@grondar.za> */ | |
291 | /* The following functions are not in the normal unix build or the | |
292 | * SSLeay build. When using the SSLeay build, use RAND_seed() | |
293 | * and RAND_bytes() instead. */ | |
294 | #ifdef FreeBSD | |
295 | int des_new_random_key(); | |
296 | void des_init_random_number_generator(); | |
297 | void des_set_random_generator_seed(); | |
298 | void des_set_sequence_number(); | |
299 | void des_generate_random_block(); | |
300 | #endif | |
301 | ||
302 | #endif | |
303 | ||
304 | #ifdef __cplusplus | |
305 | } | |
306 | #endif | |
307 | ||
308 | #endif |