1 #if !defined(lint) && defined(SCCSIDS) 2 static 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("$FreeBSD$"); 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 */ 38 static 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 */ 60 void 61 des_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 } 71