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