]>
Commit | Line | Data |
---|---|---|
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 | ||
f5d7a031 UM |
62 | #ifdef NO_DES |
63 | #error DES is disabled. | |
64 | #endif | |
65 | ||
8c197cc5 | 66 | #ifdef _KERBEROS_DES_H |
37b7185b | 67 | #error <openssl/des.h> replaces <kerberos/des.h>. |
8c197cc5 UM |
68 | #endif |
69 | ||
ec577822 | 70 | #include <openssl/opensslconf.h> /* DES_LONG */ |
e1999b1d | 71 | #include <openssl/e_os2.h> /* OPENSSL_EXTERN */ |
7d7d2cbc | 72 | |
82271cee RL |
73 | #ifdef __cplusplus |
74 | extern "C" { | |
75 | #endif | |
76 | ||
d02b48c6 | 77 | typedef unsigned char des_cblock[8]; |
27a186cd BM |
78 | typedef /* const */ unsigned char const_des_cblock[8]; |
79 | /* With "const", gcc 2.8.1 on Solaris thinks that des_cblock * | |
edb93ae6 | 80 | * and const_des_cblock * are incompatible pointer types. */ |
edf0bfb5 | 81 | |
d02b48c6 RE |
82 | typedef struct des_ks_struct |
83 | { | |
84 | union { | |
fd556cbf | 85 | des_cblock cblock; |
d02b48c6 RE |
86 | /* make sure things are correct size on machines with |
87 | * 8 byte longs */ | |
93fd0fd6 | 88 | DES_LONG deslong[2]; |
d02b48c6 | 89 | } ks; |
dfeab068 | 90 | int weak_key; |
d02b48c6 RE |
91 | } des_key_schedule[16]; |
92 | ||
93 | #define DES_KEY_SZ (sizeof(des_cblock)) | |
94 | #define DES_SCHEDULE_SZ (sizeof(des_key_schedule)) | |
95 | ||
96 | #define DES_ENCRYPT 1 | |
97 | #define DES_DECRYPT 0 | |
98 | ||
99 | #define DES_CBC_MODE 0 | |
100 | #define DES_PCBC_MODE 1 | |
101 | ||
102 | #define des_ecb2_encrypt(i,o,k1,k2,e) \ | |
103 | des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e)) | |
104 | ||
105 | #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \ | |
106 | des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e)) | |
107 | ||
108 | #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \ | |
109 | des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e)) | |
110 | ||
111 | #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \ | |
112 | des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n)) | |
113 | ||
cbbd3840 BM |
114 | OPENSSL_EXTERN int des_check_key; /* defaults to false */ |
115 | OPENSSL_EXTERN int des_rw_mode; /* defaults to DES_PCBC_MODE */ | |
d02b48c6 | 116 | |
e778802f | 117 | const char *des_options(void); |
edf0bfb5 | 118 | void des_ecb3_encrypt(const_des_cblock *input, des_cblock *output, |
08853ba8 BL |
119 | des_key_schedule ks1,des_key_schedule ks2, |
120 | des_key_schedule ks3, int enc); | |
edf0bfb5 | 121 | DES_LONG des_cbc_cksum(const unsigned char *input,des_cblock *output, |
08853ba8 | 122 | long length,des_key_schedule schedule, |
edf0bfb5 | 123 | const_des_cblock *ivec); |
a7bd0396 | 124 | /* des_cbc_encrypt does not update the IV! Use des_ncbc_encrypt instead. */ |
08853ba8 | 125 | void des_cbc_encrypt(const unsigned char *input,unsigned char *output, |
edf0bfb5 | 126 | long length,des_key_schedule schedule,des_cblock *ivec, |
08853ba8 BL |
127 | int enc); |
128 | void des_ncbc_encrypt(const unsigned char *input,unsigned char *output, | |
edf0bfb5 | 129 | long length,des_key_schedule schedule,des_cblock *ivec, |
08853ba8 BL |
130 | int enc); |
131 | void des_xcbc_encrypt(const unsigned char *input,unsigned char *output, | |
edf0bfb5 BM |
132 | long length,des_key_schedule schedule,des_cblock *ivec, |
133 | const_des_cblock *inw,const_des_cblock *outw,int enc); | |
08853ba8 | 134 | void des_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits, |
edf0bfb5 | 135 | long length,des_key_schedule schedule,des_cblock *ivec, |
08853ba8 | 136 | int enc); |
edf0bfb5 | 137 | void des_ecb_encrypt(const_des_cblock *input,des_cblock *output, |
08853ba8 | 138 | des_key_schedule ks,int enc); |
edb93ae6 UM |
139 | |
140 | /* This is the DES encryption function that gets called by just about | |
141 | every other DES routine in the library. You should not use this | |
142 | function except to implement 'modes' of DES. I say this because the | |
143 | functions that call this routine do the conversion from 'char *' to | |
144 | long, and this needs to be done to make sure 'non-aligned' memory | |
145 | access do not occur. The characters are loaded 'little endian'. | |
146 | Data is a pointer to 2 unsigned long's and ks is the | |
147 | des_key_schedule to use. enc, is non zero specifies encryption, | |
148 | zero if decryption. */ | |
d02b48c6 | 149 | void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc); |
edb93ae6 UM |
150 | |
151 | /* This functions is the same as des_encrypt() except that the DES | |
152 | initial permutation (IP) and final permutation (FP) have been left | |
153 | out. As for des_encrypt(), you should not use this function. | |
154 | It is used by the routines in the library that implement triple DES. | |
155 | IP() des_encrypt2() des_encrypt2() des_encrypt2() FP() is the same | |
156 | as des_encrypt() des_encrypt() des_encrypt() except faster :-). */ | |
d02b48c6 | 157 | void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc); |
edb93ae6 | 158 | |
d02b48c6 RE |
159 | void des_encrypt3(DES_LONG *data, des_key_schedule ks1, |
160 | des_key_schedule ks2, des_key_schedule ks3); | |
161 | void des_decrypt3(DES_LONG *data, des_key_schedule ks1, | |
162 | des_key_schedule ks2, des_key_schedule ks3); | |
08853ba8 BL |
163 | void des_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output, |
164 | long length, | |
165 | des_key_schedule ks1,des_key_schedule ks2, | |
edf0bfb5 | 166 | des_key_schedule ks3,des_cblock *ivec,int enc); |
08853ba8 BL |
167 | void des_ede3_cbcm_encrypt(const unsigned char *in,unsigned char *out, |
168 | long length, | |
169 | des_key_schedule ks1,des_key_schedule ks2, | |
170 | des_key_schedule ks3, | |
edf0bfb5 | 171 | des_cblock *ivec1,des_cblock *ivec2, |
08853ba8 BL |
172 | int enc); |
173 | void des_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out, | |
174 | long length,des_key_schedule ks1, | |
175 | des_key_schedule ks2,des_key_schedule ks3, | |
edf0bfb5 | 176 | des_cblock *ivec,int *num,int enc); |
08853ba8 BL |
177 | void des_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out, |
178 | long length,des_key_schedule ks1, | |
179 | des_key_schedule ks2,des_key_schedule ks3, | |
edf0bfb5 | 180 | des_cblock *ivec,int *num); |
d02b48c6 | 181 | |
edf0bfb5 BM |
182 | void des_xwhite_in2out(const_des_cblock *des_key,const_des_cblock *in_white, |
183 | des_cblock *out_white); | |
d02b48c6 | 184 | |
61f5b6f3 | 185 | int des_enc_read(int fd,void *buf,int len,des_key_schedule sched, |
edf0bfb5 | 186 | des_cblock *iv); |
61f5b6f3 | 187 | int des_enc_write(int fd,const void *buf,int len,des_key_schedule sched, |
edf0bfb5 | 188 | des_cblock *iv); |
d02b48c6 | 189 | char *des_fcrypt(const char *buf,const char *salt, char *ret); |
d02b48c6 | 190 | char *des_crypt(const char *buf,const char *salt); |
908eb7b8 | 191 | #if !defined(PERL5) && !defined(__FreeBSD__) && !defined(NeXT) |
d02b48c6 | 192 | char *crypt(const char *buf,const char *salt); |
d02b48c6 | 193 | #endif |
08853ba8 | 194 | void des_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits, |
edf0bfb5 | 195 | long length,des_key_schedule schedule,des_cblock *ivec); |
08853ba8 | 196 | void des_pcbc_encrypt(const unsigned char *input,unsigned char *output, |
edf0bfb5 | 197 | long length,des_key_schedule schedule,des_cblock *ivec, |
08853ba8 | 198 | int enc); |
edf0bfb5 BM |
199 | DES_LONG des_quad_cksum(const unsigned char *input,des_cblock output[], |
200 | long length,int out_count,des_cblock *seed); | |
201 | void des_random_seed(des_cblock *key); | |
37e48b88 | 202 | int des_random_key(des_cblock *ret); |
edf0bfb5 BM |
203 | int des_read_password(des_cblock *key,const char *prompt,int verify); |
204 | int des_read_2passwords(des_cblock *key1,des_cblock *key2, | |
08853ba8 BL |
205 | const char *prompt,int verify); |
206 | int des_read_pw_string(char *buf,int length,const char *prompt,int verify); | |
edf0bfb5 | 207 | void des_set_odd_parity(des_cblock *key); |
edb93ae6 | 208 | int des_check_key_parity(const_des_cblock *key); |
edf0bfb5 | 209 | int des_is_weak_key(const_des_cblock *key); |
cddfe788 BM |
210 | /* des_set_key (= set_key = des_key_sched = key_sched) calls |
211 | * des_set_key_checked if global variable des_check_key is set, | |
212 | * des_set_key_unchecked otherwise. */ | |
edf0bfb5 BM |
213 | int des_set_key(const_des_cblock *key,des_key_schedule schedule); |
214 | int des_key_sched(const_des_cblock *key,des_key_schedule schedule); | |
cddfe788 BM |
215 | int des_set_key_checked(const_des_cblock *key,des_key_schedule schedule); |
216 | void des_set_key_unchecked(const_des_cblock *key,des_key_schedule schedule); | |
edf0bfb5 BM |
217 | void des_string_to_key(const char *str,des_cblock *key); |
218 | void des_string_to_2keys(const char *str,des_cblock *key1,des_cblock *key2); | |
08853ba8 | 219 | void des_cfb64_encrypt(const unsigned char *in,unsigned char *out,long length, |
edf0bfb5 | 220 | des_key_schedule schedule,des_cblock *ivec,int *num, |
08853ba8 BL |
221 | int enc); |
222 | void des_ofb64_encrypt(const unsigned char *in,unsigned char *out,long length, | |
edf0bfb5 | 223 | des_key_schedule schedule,des_cblock *ivec,int *num); |
08853ba8 | 224 | int des_read_pw(char *buf,char *buff,int size,const char *prompt,int verify); |
d02b48c6 | 225 | |
37b7185b UM |
226 | /* The following definitions provide compatibility with the MIT Kerberos |
227 | * library. The des_key_schedule structure is not binary compatible. */ | |
228 | ||
229 | #define _KERBEROS_DES_H | |
230 | ||
231 | #define KRBDES_ENCRYPT DES_ENCRYPT | |
232 | #define KRBDES_DECRYPT DES_DECRYPT | |
233 | ||
234 | #ifdef KERBEROS | |
235 | # define ENCRYPT DES_ENCRYPT | |
236 | # define DECRYPT DES_DECRYPT | |
237 | #endif | |
238 | ||
239 | #ifndef NCOMPAT | |
240 | # define C_Block des_cblock | |
241 | # define Key_schedule des_key_schedule | |
242 | # define KEY_SZ DES_KEY_SZ | |
243 | # define string_to_key des_string_to_key | |
244 | # define read_pw_string des_read_pw_string | |
245 | # define random_key des_random_key | |
246 | # define pcbc_encrypt des_pcbc_encrypt | |
247 | # define set_key des_set_key | |
248 | # define key_sched des_key_sched | |
249 | # define ecb_encrypt des_ecb_encrypt | |
250 | # define cbc_encrypt des_cbc_encrypt | |
251 | # define ncbc_encrypt des_ncbc_encrypt | |
252 | # define xcbc_encrypt des_xcbc_encrypt | |
253 | # define cbc_cksum des_cbc_cksum | |
254 | # define quad_cksum des_quad_cksum | |
edb93ae6 | 255 | # define check_parity des_check_key_parity |
c74b3a60 | 256 | #endif |
d02b48c6 | 257 | |
37b7185b UM |
258 | typedef des_key_schedule bit_64; |
259 | #define des_fixup_key_parity des_set_odd_parity | |
37b7185b | 260 | |
d02b48c6 RE |
261 | #ifdef __cplusplus |
262 | } | |
263 | #endif | |
264 | ||
265 | #endif |