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#include <sys/cdefs.h>
5__FBSDID("$FreeBSD: head/lib/libc/rpc/des_soft.c 92990 2002-03-22 23:18:37Z obrien $");
6
7/*
8 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
9 * unrestricted use provided that this legend is included on all tape
10 * media and as a part of the software program in whole or part. Users
11 * may copy or modify Sun RPC without charge, but are not authorized
12 * to license or distribute it to anyone else except as part of a product or
13 * program developed by the user.
14 *
15 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
16 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
18 *
19 * Sun RPC is provided with no support and without any obligation on the
20 * part of Sun Microsystems, Inc. to assist in its use, correction,
21 * modification or enhancement.
22 *
23 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
24 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
25 * OR ANY PART THEREOF.
26 *
27 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
28 * or profits or other special, indirect and consequential damages, even if
29 * Sun has been advised of the possibility of such damages.
30 *
31 * Sun Microsystems, Inc.
32 * 2550 Garcia Avenue
33 * Mountain View, California 94043
34 */
35/*
36 * Table giving odd parity in the low bit for ASCII characters
37 */
38static char partab[128] = {
39 0x01, 0x01, 0x02, 0x02, 0x04, 0x04, 0x07, 0x07,
40 0x08, 0x08, 0x0b, 0x0b, 0x0d, 0x0d, 0x0e, 0x0e,
41 0x10, 0x10, 0x13, 0x13, 0x15, 0x15, 0x16, 0x16,
42 0x19, 0x19, 0x1a, 0x1a, 0x1c, 0x1c, 0x1f, 0x1f,
43 0x20, 0x20, 0x23, 0x23, 0x25, 0x25, 0x26, 0x26,
44 0x29, 0x29, 0x2a, 0x2a, 0x2c, 0x2c, 0x2f, 0x2f,
45 0x31, 0x31, 0x32, 0x32, 0x34, 0x34, 0x37, 0x37,
46 0x38, 0x38, 0x3b, 0x3b, 0x3d, 0x3d, 0x3e, 0x3e,
47 0x40, 0x40, 0x43, 0x43, 0x45, 0x45, 0x46, 0x46,
48 0x49, 0x49, 0x4a, 0x4a, 0x4c, 0x4c, 0x4f, 0x4f,
49 0x51, 0x51, 0x52, 0x52, 0x54, 0x54, 0x57, 0x57,
50 0x58, 0x58, 0x5b, 0x5b, 0x5d, 0x5d, 0x5e, 0x5e,
51 0x61, 0x61, 0x62, 0x62, 0x64, 0x64, 0x67, 0x67,
52 0x68, 0x68, 0x6b, 0x6b, 0x6d, 0x6d, 0x6e, 0x6e,
53 0x70, 0x70, 0x73, 0x73, 0x75, 0x75, 0x76, 0x76,
54 0x79, 0x79, 0x7a, 0x7a, 0x7c, 0x7c, 0x7f, 0x7f,
55};
56
57/*
58 * Add odd parity to low bit of 8 byte key
59 */
60void
61des_setparity(p)
62 char *p;
63{
64 int i;
65
66 for (i = 0; i < 8; i++) {
67 *p = partab[*p & 0x7f];
68 p++;
69 }
70}