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