1 /* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 4 * media and as a part of the software program in whole or part. Users 5 * may copy or modify Sun RPC without charge, but are not authorized 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user. 8 * 9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12 * 13 * Sun RPC is provided with no support and without any obligation on the 14 * part of Sun Microsystems, Inc. to assist in its use, correction, 15 * modification or enhancement. 16 * 17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 19 * OR ANY PART THEREOF. 20 * 21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 22 * or profits or other special, indirect and consequential damages, even if 23 * Sun has been advised of the possibility of such damages. 24 * 25 * Sun Microsystems, Inc. 26 * 2550 Garcia Avenue 27 * Mountain View, California 94043 28 */ 29 30 #if defined(LIBC_SCCS) && !defined(lint) 31 static char sccsid[] = "@(#)des_soft.c 2.2 88/08/10 4.0 RPCSRC; from 1.13 88/02/08 SMI"; 32 #endif 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 /* 37 * Table giving odd parity in the low bit for ASCII characters 38 */ 39 static char partab[128] = { 40 0x01, 0x01, 0x02, 0x02, 0x04, 0x04, 0x07, 0x07, 41 0x08, 0x08, 0x0b, 0x0b, 0x0d, 0x0d, 0x0e, 0x0e, 42 0x10, 0x10, 0x13, 0x13, 0x15, 0x15, 0x16, 0x16, 43 0x19, 0x19, 0x1a, 0x1a, 0x1c, 0x1c, 0x1f, 0x1f, 44 0x20, 0x20, 0x23, 0x23, 0x25, 0x25, 0x26, 0x26, 45 0x29, 0x29, 0x2a, 0x2a, 0x2c, 0x2c, 0x2f, 0x2f, 46 0x31, 0x31, 0x32, 0x32, 0x34, 0x34, 0x37, 0x37, 47 0x38, 0x38, 0x3b, 0x3b, 0x3d, 0x3d, 0x3e, 0x3e, 48 0x40, 0x40, 0x43, 0x43, 0x45, 0x45, 0x46, 0x46, 49 0x49, 0x49, 0x4a, 0x4a, 0x4c, 0x4c, 0x4f, 0x4f, 50 0x51, 0x51, 0x52, 0x52, 0x54, 0x54, 0x57, 0x57, 51 0x58, 0x58, 0x5b, 0x5b, 0x5d, 0x5d, 0x5e, 0x5e, 52 0x61, 0x61, 0x62, 0x62, 0x64, 0x64, 0x67, 0x67, 53 0x68, 0x68, 0x6b, 0x6b, 0x6d, 0x6d, 0x6e, 0x6e, 54 0x70, 0x70, 0x73, 0x73, 0x75, 0x75, 0x76, 0x76, 55 0x79, 0x79, 0x7a, 0x7a, 0x7c, 0x7c, 0x7f, 0x7f, 56 }; 57 58 /* 59 * Add odd parity to low bit of 8 byte key 60 */ 61 void 62 des_setparity(p) 63 char *p; 64 { 65 int i; 66 67 for (i = 0; i < 8; i++) { 68 *p = partab[*p & 0x7f]; 69 p++; 70 } 71 } 72