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1.1 root 1: /* crypto/des/des.org */
2: /* Copyright (C) 1995-1997 Eric Young ([email protected])
3: * All rights reserved.
4: *
5: * This package is an SSL implementation written
6: * by Eric Young ([email protected]).
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 ([email protected]).
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 ([email protected])"
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 ([email protected])"
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: #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:
82: typedef unsigned char des_cblock[8];
83: typedef 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._
93: } des_key_schedule[16];
94:
95: #define DES_KEY_SZ (sizeof(des_cblock))
96: #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
97:
98: #define DES_ENCRYPT 1
99: #define DES_DECRYPT 0
100:
101: #define DES_CBC_MODE 0
102: #define DES_PCBC_MODE 1
103:
104: #define des_ecb2_encrypt(i,o,k1,k2,e) \
105: des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
106:
107: #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
108: des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
109:
110: #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
111: des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
112:
113: #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
114: des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
115:
116: #define C_Block des_cblock
117: #define Key_schedule des_key_schedule
118: #ifdef KERBEROS
119: #define ENCRYPT DES_ENCRYPT
120: #define DECRYPT DES_DECRYPT
121: #endif
122: #define KEY_SZ DES_KEY_SZ
123: #define string_to_key des_string_to_key
124: #define read_pw_string des_read_pw_string
125: #define random_key des_random_key
126: #define pcbc_encrypt des_pcbc_encrypt
127: #define set_key des_set_key
128: #define key_sched des_key_sched
129: #define ecb_encrypt des_ecb_encrypt
130: #define cbc_encrypt des_cbc_encrypt
131: #define ncbc_encrypt des_ncbc_encrypt
132: #define xcbc_encrypt des_xcbc_encrypt
133: #define cbc_cksum des_cbc_cksum
134: #define quad_cksum des_quad_cksum
135:
136: /* For compatibility with the MIT lib - eay 20/05/92 */
137: typedef des_key_schedule bit_64;
138: #define des_fixup_key_parity des_set_odd_parity
139: #define des_check_key_parity check_parity
140:
141: extern int des_check_key; /* defaults to false */
142: extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
143:
144: /* The next line is used to disable full ANSI prototypes, if your
145: * compiler has problems with the prototypes, make sure this line always
146: * evaluates to true :-) */
147: #if defined(MSDOS) || defined(__STDC__)
148: #undef NOPROTO
149: #endif
150: #ifndef NOPROTO
151: char *des_options(void);
152: void _cdecl des_ecb3_encrypt(des_cblock *input,des_cblock *output,
153: des_key_schedule ks1,des_key_schedule ks2,
154: des_key_schedule ks3, int enc);
155: DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output,
156: long length,des_key_schedule schedule,des_cblock *ivec);
157: void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
158: des_key_schedule schedule,des_cblock *ivec,int enc);
159: void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
160: des_key_schedule schedule,des_cblock *ivec,int enc);
161: void des_xcbc_encrypt(des_cblock *input,des_cblock *output,long length,
162: des_key_schedule schedule,des_cblock *ivec,
163: des_cblock *inw,des_cblock *outw,int enc);
164: void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
165: long length,des_key_schedule schedule,des_cblock *ivec,int enc);
166: void des_ecb_encrypt(des_cblock *input,des_cblock *output,
167: des_key_schedule ks,int enc);
168: void _cdecl des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
169: void _cdecl des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
170: void _cdecl des_encrypt3(DES_LONG *data, des_key_schedule ks1,
171: des_key_schedule ks2, des_key_schedule ks3);
172: void _cdecl des_decrypt3(DES_LONG *data, des_key_schedule ks1,
173: des_key_schedule ks2, des_key_schedule ks3);
174: void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
175: long length, des_key_schedule ks1, des_key_schedule ks2,
176: des_key_schedule ks3, des_cblock *ivec, int enc);
177: void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out,
178: long length, des_key_schedule ks1, des_key_schedule ks2,
179: des_key_schedule ks3, des_cblock *ivec, int *num, int enc);
180: void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
181: long length, des_key_schedule ks1, des_key_schedule ks2,
182: des_key_schedule ks3, des_cblock *ivec, int *num);
183:
184: void des_xwhite_in2out(des_cblock (*des_key), des_cblock (*in_white),
185: des_cblock (*out_white));
186:
187: int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
188: des_cblock *iv);
189: int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
190: des_cblock *iv);
191: char *des_fcrypt(const char *buf,const char *salt, char *ret);
192: #ifdef PERL5
193: char *des_crypt(const char *buf,const char *salt);
194: #else
195: /* some stupid compilers complain because I have declared char instead
196: * of const char */
197: #ifdef HEADER_DES_LOCL_H
198: char *crypt(const char *buf,const char *salt);
199: #else
200: char *crypt();
201: #endif
202: #endif
203: void des_ofb_encrypt(unsigned char *in,unsigned char *out,
204: int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
205: void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
206: des_key_schedule schedule,des_cblock *ivec,int enc);
207: DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output,
208: long length,int out_count,des_cblock *seed);
209: void des_random_seed(des_cblock key);
210: void des_random_key(des_cblock ret);
211: int des_read_password(des_cblock *key,char *prompt,int verify);
212: int des_read_2passwords(des_cblock *key1,des_cblock *key2,
213: char *prompt,int verify);
214: int des_read_pw_string(char *buf,int length,char *prompt,int verify);
215: void des_set_odd_parity(des_cblock *key);
216: int des_is_weak_key(des_cblock *key);
217: int des_set_key(des_cblock *key,des_key_schedule schedule);
218: int _cdecl des_key_sched(des_cblock *key,des_key_schedule schedule);
219: void des_string_to_key(char *str,des_cblock *key);
220: void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
221: void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
222: des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
223: void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
224: des_key_schedule schedule, des_cblock *ivec, int *num);
225: int des_read_pw(char *buf, char *buff, int size, char *prompt, int verify);
226:
227: /* Extra functions from Mark Murray <[email protected]> */
228: void des_cblock_print_file(des_cblock *cb, FILE *fp);
229: /* The following functions are not in the normal unix build or the
230: * SSLeay build. When using the SSLeay build, use RAND_seed()
231: * and RAND_bytes() instead. */
232: int des_new_random_key(des_cblock *key);
233: void des_init_random_number_generator(des_cblock *key);
234: void des_set_random_generator_seed(des_cblock *key);
235: void des_set_sequence_number(des_cblock new_sequence_number);
236: void des_generate_random_block(des_cblock *block);
237:
238: #else
239:
240: char *des_options();
241: void des_ecb3_encrypt();
242: DES_LONG des_cbc_cksum();
243: void des_cbc_encrypt();
244: void des_ncbc_encrypt();
245: void des_xcbc_encrypt();
246: void des_cfb_encrypt();
247: void des_ede3_cfb64_encrypt();
248: void des_ede3_ofb64_encrypt();
249: void des_ecb_encrypt();
250: void _cdecl des_encrypt();
251: void _cdecl des_encrypt2();
252: void _cdecl des_encrypt3();
253: void _cdecl des_decrypt3();
254: void des_ede3_cbc_encrypt();
255: int des_enc_read();
256: int des_enc_write();
257: char *des_fcrypt();
258: #ifdef PERL5
259: char *des_crypt();
260: #else
261: char *crypt();
262: #endif
263: void des_ofb_encrypt();
264: void des_pcbc_encrypt();
265: DES_LONG des_quad_cksum();
266: void des_random_seed();
267: void des_random_key();
268: int des_read_password();
269: int des_read_2passwords();
270: int des_read_pw_string();
271: void des_set_odd_parity();
272: int des_is_weak_key();
273: int des_set_key();
274: int des_key_sched();
275: void des_string_to_key();
276: void des_string_to_2keys();
277: void des_cfb64_encrypt();
278: void des_ofb64_encrypt();
279: int des_read_pw();
280: void des_xwhite_in2out();
281:
282: /* Extra functions from Mark Murray <[email protected]> */
283: void des_cblock_print_file();
284: /* The following functions are not in the normal unix build or the
285: * SSLeay build. When using the SSLeay build, use RAND_seed()
286: * and RAND_bytes() instead. */
287: #ifdef FreeBSD
288: int des_new_random_key();
289: void des_init_random_number_generator();
290: void des_set_random_generator_seed();
291: void des_set_sequence_number();
292: void des_generate_random_block();
293: #endif
294:
295: #endif
296:
297: #ifdef __cplusplus
298: }
299: #endif
300:
301: #endif
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