1#if !defined(lint) && defined(SCCSIDS)
2static char sccsid[] = "@(#)des_soft.c 2.2 88/08/10 4.0 RPCSRC; from 1.13 88/02/08 SMI";
3#endif
4/*
5 * Copyright (c) 2010, Oracle America, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials
15 * provided with the distribution.
16 * * Neither the name of the "Oracle America, Inc." nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include <rpc/des_crypt.h>
35#include <shlib-compat.h>
36
37/*
38 * Table giving odd parity in the low bit for ASCII characters
39 */
40static const char partab[128] =
41{
42 0x01, 0x01, 0x02, 0x02, 0x04, 0x04, 0x07, 0x07,
43 0x08, 0x08, 0x0b, 0x0b, 0x0d, 0x0d, 0x0e, 0x0e,
44 0x10, 0x10, 0x13, 0x13, 0x15, 0x15, 0x16, 0x16,
45 0x19, 0x19, 0x1a, 0x1a, 0x1c, 0x1c, 0x1f, 0x1f,
46 0x20, 0x20, 0x23, 0x23, 0x25, 0x25, 0x26, 0x26,
47 0x29, 0x29, 0x2a, 0x2a, 0x2c, 0x2c, 0x2f, 0x2f,
48 0x31, 0x31, 0x32, 0x32, 0x34, 0x34, 0x37, 0x37,
49 0x38, 0x38, 0x3b, 0x3b, 0x3d, 0x3d, 0x3e, 0x3e,
50 0x40, 0x40, 0x43, 0x43, 0x45, 0x45, 0x46, 0x46,
51 0x49, 0x49, 0x4a, 0x4a, 0x4c, 0x4c, 0x4f, 0x4f,
52 0x51, 0x51, 0x52, 0x52, 0x54, 0x54, 0x57, 0x57,
53 0x58, 0x58, 0x5b, 0x5b, 0x5d, 0x5d, 0x5e, 0x5e,
54 0x61, 0x61, 0x62, 0x62, 0x64, 0x64, 0x67, 0x67,
55 0x68, 0x68, 0x6b, 0x6b, 0x6d, 0x6d, 0x6e, 0x6e,
56 0x70, 0x70, 0x73, 0x73, 0x75, 0x75, 0x76, 0x76,
57 0x79, 0x79, 0x7a, 0x7a, 0x7c, 0x7c, 0x7f, 0x7f,
58};
59
60/*
61 * Add odd parity to low bit of 8 byte key
62 */
63void
64des_setparity (char *p)
65{
66 int i;
67
68 for (i = 0; i < 8; i++)
69 {
70 *p = partab[*p & 0x7f];
71 p++;
72 }
73}
74hidden_nolink (des_setparity, libc, GLIBC_2_1)
75