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73 lines
2.8 KiB
C
73 lines
2.8 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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* Copyright (c) 2010, Oracle America, Inc.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* * Neither the name of the "Oracle America, Inc." nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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libc_hidden_def (des_setparity)
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