summaryrefslogtreecommitdiff
path: root/src/lib/libcrypto/des/des_fcrypt.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libcrypto/des/des_fcrypt.c')
-rw-r--r--src/lib/libcrypto/des/des_fcrypt.c254
1 files changed, 0 insertions, 254 deletions
diff --git a/src/lib/libcrypto/des/des_fcrypt.c b/src/lib/libcrypto/des/des_fcrypt.c
deleted file mode 100644
index b33b1240c2..0000000000
--- a/src/lib/libcrypto/des/des_fcrypt.c
+++ /dev/null
@@ -1,254 +0,0 @@
1/* $OpenBSD: des_fcrypt.c,v 1.4 2024/08/31 16:22:18 jsing Exp $ */
2/* Copyright (C) 1995-1998 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#include <stdio.h>
60
61/* This version of crypt has been developed from my MIT compatible
62 * DES library.
63 * Eric Young (eay@cryptsoft.com)
64 */
65
66/* Modification by Jens Kupferschmidt (Cu)
67 * I have included directive PARA for shared memory computers.
68 * I have included a directive LONGCRYPT to using this routine to cipher
69 * passwords with more than 8 bytes like HP-UX 10.x it used. The MAXPLEN
70 * definition is the maximum of length of password and can changed. I have
71 * defined 24.
72 */
73
74#define DES_FCRYPT
75#include "des_local.h"
76#undef DES_FCRYPT
77
78#undef PERM_OP
79#define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)), \
80 (b)^=(t), \
81 (a)^=((t)<<(n)))
82
83#undef HPERM_OP
84#define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)), \
85 (a)=(a)^(t)^(t>>(16-(n)))) \
86
87static void
88fcrypt_body(DES_LONG *out, DES_key_schedule *ks, DES_LONG Eswap0,
89 DES_LONG Eswap1)
90{
91 DES_LONG l, r, t, u;
92 DES_LONG *s;
93 int j;
94 DES_LONG E0, E1;
95
96 l = 0;
97 r = 0;
98
99 s = (DES_LONG *)ks;
100 E0 = Eswap0;
101 E1 = Eswap1;
102
103 for (j = 0; j < 25; j++) {
104#ifndef DES_UNROLL
105 int i;
106
107 for (i = 0; i < 32; i += 4) {
108 D_ENCRYPT(l, r, i + 0); /* 1 */
109 D_ENCRYPT(r, l, i + 2); /* 2 */
110 }
111#else
112 D_ENCRYPT(l, r, 0); /* 1 */
113 D_ENCRYPT(r, l, 2); /* 2 */
114 D_ENCRYPT(l, r, 4); /* 3 */
115 D_ENCRYPT(r, l, 6); /* 4 */
116 D_ENCRYPT(l, r, 8); /* 5 */
117 D_ENCRYPT(r, l, 10); /* 6 */
118 D_ENCRYPT(l, r, 12); /* 7 */
119 D_ENCRYPT(r, l, 14); /* 8 */
120 D_ENCRYPT(l, r, 16); /* 9 */
121 D_ENCRYPT(r, l, 18); /* 10 */
122 D_ENCRYPT(l, r, 20); /* 11 */
123 D_ENCRYPT(r, l, 22); /* 12 */
124 D_ENCRYPT(l, r, 24); /* 13 */
125 D_ENCRYPT(r, l, 26); /* 14 */
126 D_ENCRYPT(l, r, 28); /* 15 */
127 D_ENCRYPT(r, l, 30); /* 16 */
128#endif
129
130 t = l;
131 l = r;
132 r = t;
133 }
134 l = ROTATE(l, 3) & 0xffffffffL;
135 r = ROTATE(r, 3) & 0xffffffffL;
136
137 PERM_OP(l, r, t, 1, 0x55555555L);
138 PERM_OP(r, l, t, 8, 0x00ff00ffL);
139 PERM_OP(l, r, t, 2, 0x33333333L);
140 PERM_OP(r, l, t, 16, 0x0000ffffL);
141 PERM_OP(l, r, t, 4, 0x0f0f0f0fL);
142
143 out[0] = r;
144 out[1] = l;
145}
146
147/* Added more values to handle illegal salt values the way normal
148 * crypt() implementations do. The patch was sent by
149 * Bjorn Gronvall <bg@sics.se>
150 */
151static unsigned const char con_salt[128] = {
152 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9,
153 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 0xE0, 0xE1,
154 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9,
155 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1,
156 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9,
157 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF, 0x00, 0x01,
158 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
159 0x0A, 0x0B, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A,
160 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,
161 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A,
162 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22,
163 0x23, 0x24, 0x25, 0x20, 0x21, 0x22, 0x23, 0x24,
164 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C,
165 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34,
166 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C,
167 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44,
168};
169
170static unsigned const char cov_2char[64] = {
171 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
172 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,
173 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,
174 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
175 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,
176 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
177 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
178 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
179};
180
181char *
182DES_crypt(const char *buf, const char *salt)
183{
184 static char buff[14];
185
186 return (DES_fcrypt(buf, salt, buff));
187}
188LCRYPTO_ALIAS(DES_crypt);
189
190char *
191DES_fcrypt(const char *buf, const char *salt, char *ret)
192{
193 unsigned int i, j, x, y;
194 DES_LONG Eswap0, Eswap1;
195 DES_LONG out[2], ll;
196 DES_cblock key;
197 DES_key_schedule ks;
198 unsigned char bb[9];
199 unsigned char *b = bb;
200 unsigned char c, u;
201
202 /* eay 25/08/92
203 * If you call crypt("pwd","*") as often happens when you
204 * have * as the pwd field in /etc/passwd, the function
205 * returns *\0xxxxxxxxx
206 * The \0 makes the string look like * so the pwd "*" would
207 * crypt to "*". This was found when replacing the crypt in
208 * our shared libraries. People found that the disabled
209 * accounts effectively had no passwd :-(. */
210 x = ret[0] = ((salt[0] == '\0') ? 'A' : salt[0]);
211 Eswap0 = con_salt[x] << 2;
212 x = ret[1] = ((salt[1] == '\0') ? 'A' : salt[1]);
213 Eswap1 = con_salt[x] << 6;
214/* EAY
215r=strlen(buf);
216r=(r+7)/8;
217*/
218 for (i = 0; i < 8; i++) {
219 c = *(buf++);
220 if (!c)
221 break;
222 key[i] = (c << 1);
223 }
224 for (; i < 8; i++)
225 key[i] = 0;
226
227 DES_set_key_unchecked(&key, &ks);
228 fcrypt_body(&(out[0]), &ks, Eswap0, Eswap1);
229
230 ll = out[0];
231 l2c(ll, b);
232 ll = out[1];
233 l2c(ll, b);
234 y = 0;
235 u = 0x80;
236 bb[8] = 0;
237 for (i = 2; i < 13; i++) {
238 c = 0;
239 for (j = 0; j < 6; j++) {
240 c <<= 1;
241 if (bb[y] & u)
242 c |= 1;
243 u >>= 1;
244 if (!u) {
245 y++;
246 u = 0x80;
247 }
248 }
249 ret[i] = cov_2char[c];
250 }
251 ret[13] = '\0';
252 return (ret);
253}
254LCRYPTO_ALIAS(DES_fcrypt);
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-12-23 15:17:39 +0000