69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
#if !defined(lint) && defined(SCCSIDS)
|
|
static char sccsid[] = "@(#)des_soft.c 2.2 88/08/10 4.0 RPCSRC; from 1.13 88/02/08 SMI";
|
|
#endif
|
|
/*
|
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
|
* unrestricted use provided that this legend is included on all tape
|
|
* media and as a part of the software program in whole or part. Users
|
|
* may copy or modify Sun RPC without charge, but are not authorized
|
|
* to license or distribute it to anyone else except as part of a product or
|
|
* program developed by the user.
|
|
*
|
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
|
*
|
|
* Sun RPC is provided with no support and without any obligation on the
|
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
|
* modification or enhancement.
|
|
*
|
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
|
* OR ANY PART THEREOF.
|
|
*
|
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
|
* or profits or other special, indirect and consequential damages, even if
|
|
* Sun has been advised of the possibility of such damages.
|
|
*
|
|
* Sun Microsystems, Inc.
|
|
* 2550 Garcia Avenue
|
|
* Mountain View, California 94043
|
|
*/
|
|
/*
|
|
* Table giving odd parity in the low bit for ASCII characters
|
|
*/
|
|
static const char partab[128] =
|
|
{
|
|
0x01, 0x01, 0x02, 0x02, 0x04, 0x04, 0x07, 0x07,
|
|
0x08, 0x08, 0x0b, 0x0b, 0x0d, 0x0d, 0x0e, 0x0e,
|
|
0x10, 0x10, 0x13, 0x13, 0x15, 0x15, 0x16, 0x16,
|
|
0x19, 0x19, 0x1a, 0x1a, 0x1c, 0x1c, 0x1f, 0x1f,
|
|
0x20, 0x20, 0x23, 0x23, 0x25, 0x25, 0x26, 0x26,
|
|
0x29, 0x29, 0x2a, 0x2a, 0x2c, 0x2c, 0x2f, 0x2f,
|
|
0x31, 0x31, 0x32, 0x32, 0x34, 0x34, 0x37, 0x37,
|
|
0x38, 0x38, 0x3b, 0x3b, 0x3d, 0x3d, 0x3e, 0x3e,
|
|
0x40, 0x40, 0x43, 0x43, 0x45, 0x45, 0x46, 0x46,
|
|
0x49, 0x49, 0x4a, 0x4a, 0x4c, 0x4c, 0x4f, 0x4f,
|
|
0x51, 0x51, 0x52, 0x52, 0x54, 0x54, 0x57, 0x57,
|
|
0x58, 0x58, 0x5b, 0x5b, 0x5d, 0x5d, 0x5e, 0x5e,
|
|
0x61, 0x61, 0x62, 0x62, 0x64, 0x64, 0x67, 0x67,
|
|
0x68, 0x68, 0x6b, 0x6b, 0x6d, 0x6d, 0x6e, 0x6e,
|
|
0x70, 0x70, 0x73, 0x73, 0x75, 0x75, 0x76, 0x76,
|
|
0x79, 0x79, 0x7a, 0x7a, 0x7c, 0x7c, 0x7f, 0x7f,
|
|
};
|
|
|
|
/*
|
|
* Add odd parity to low bit of 8 byte key
|
|
*/
|
|
void
|
|
des_setparity (char *p)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
*p = partab[*p & 0x7f];
|
|
p++;
|
|
}
|
|
}
|