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 * $DragonFly: src/lib/libc/rpc/des_soft.c,v 1.2 2005/11/13 12:27:04 swildner Exp $ 33 */ 34 /* 35 * Table giving odd parity in the low bit for ASCII characters 36 */ 37 static char partab[128] = { 38 0x01, 0x01, 0x02, 0x02, 0x04, 0x04, 0x07, 0x07, 39 0x08, 0x08, 0x0b, 0x0b, 0x0d, 0x0d, 0x0e, 0x0e, 40 0x10, 0x10, 0x13, 0x13, 0x15, 0x15, 0x16, 0x16, 41 0x19, 0x19, 0x1a, 0x1a, 0x1c, 0x1c, 0x1f, 0x1f, 42 0x20, 0x20, 0x23, 0x23, 0x25, 0x25, 0x26, 0x26, 43 0x29, 0x29, 0x2a, 0x2a, 0x2c, 0x2c, 0x2f, 0x2f, 44 0x31, 0x31, 0x32, 0x32, 0x34, 0x34, 0x37, 0x37, 45 0x38, 0x38, 0x3b, 0x3b, 0x3d, 0x3d, 0x3e, 0x3e, 46 0x40, 0x40, 0x43, 0x43, 0x45, 0x45, 0x46, 0x46, 47 0x49, 0x49, 0x4a, 0x4a, 0x4c, 0x4c, 0x4f, 0x4f, 48 0x51, 0x51, 0x52, 0x52, 0x54, 0x54, 0x57, 0x57, 49 0x58, 0x58, 0x5b, 0x5b, 0x5d, 0x5d, 0x5e, 0x5e, 50 0x61, 0x61, 0x62, 0x62, 0x64, 0x64, 0x67, 0x67, 51 0x68, 0x68, 0x6b, 0x6b, 0x6d, 0x6d, 0x6e, 0x6e, 52 0x70, 0x70, 0x73, 0x73, 0x75, 0x75, 0x76, 0x76, 53 0x79, 0x79, 0x7a, 0x7a, 0x7c, 0x7c, 0x7f, 0x7f, 54 }; 55 56 /* 57 * Add odd parity to low bit of 8 byte key 58 */ 59 void 60 des_setparity(char *p) 61 { 62 int i; 63 64 for (i = 0; i < 8; i++) { 65 *p = partab[*p & 0x7f]; 66 p++; 67 } 68 } 69