1 | #include <machine/rtems-bsd-user-space.h> |
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2 | |
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3 | /*- |
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4 | * SPDX-License-Identifier: BSD-3-Clause |
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5 | * |
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6 | * Copyright (c) 2009, Sun Microsystems, Inc. |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * - Redistributions of source code must retain the above copyright notice, |
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12 | * this list of conditions and the following disclaimer. |
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13 | * - Redistributions in binary form must reproduce the above copyright notice, |
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14 | * this list of conditions and the following disclaimer in the documentation |
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15 | * and/or other materials provided with the distribution. |
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16 | * - Neither the name of Sun Microsystems, Inc. nor the names of its |
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17 | * contributors may be used to endorse or promote products derived |
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18 | * from this software without specific prior written permission. |
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19 | * |
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20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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21 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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24 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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30 | * POSSIBILITY OF SUCH DAMAGE. |
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31 | */ |
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32 | |
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33 | #if defined(LIBC_SCCS) && !defined(lint) |
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34 | 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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35 | #endif |
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36 | #include <sys/cdefs.h> |
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37 | __FBSDID("$FreeBSD$"); |
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38 | |
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39 | /* |
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40 | * Table giving odd parity in the low bit for ASCII characters |
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41 | */ |
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42 | static char partab[128] = { |
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43 | 0x01, 0x01, 0x02, 0x02, 0x04, 0x04, 0x07, 0x07, |
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44 | 0x08, 0x08, 0x0b, 0x0b, 0x0d, 0x0d, 0x0e, 0x0e, |
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45 | 0x10, 0x10, 0x13, 0x13, 0x15, 0x15, 0x16, 0x16, |
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46 | 0x19, 0x19, 0x1a, 0x1a, 0x1c, 0x1c, 0x1f, 0x1f, |
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47 | 0x20, 0x20, 0x23, 0x23, 0x25, 0x25, 0x26, 0x26, |
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48 | 0x29, 0x29, 0x2a, 0x2a, 0x2c, 0x2c, 0x2f, 0x2f, |
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49 | 0x31, 0x31, 0x32, 0x32, 0x34, 0x34, 0x37, 0x37, |
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50 | 0x38, 0x38, 0x3b, 0x3b, 0x3d, 0x3d, 0x3e, 0x3e, |
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51 | 0x40, 0x40, 0x43, 0x43, 0x45, 0x45, 0x46, 0x46, |
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52 | 0x49, 0x49, 0x4a, 0x4a, 0x4c, 0x4c, 0x4f, 0x4f, |
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53 | 0x51, 0x51, 0x52, 0x52, 0x54, 0x54, 0x57, 0x57, |
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54 | 0x58, 0x58, 0x5b, 0x5b, 0x5d, 0x5d, 0x5e, 0x5e, |
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55 | 0x61, 0x61, 0x62, 0x62, 0x64, 0x64, 0x67, 0x67, |
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56 | 0x68, 0x68, 0x6b, 0x6b, 0x6d, 0x6d, 0x6e, 0x6e, |
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57 | 0x70, 0x70, 0x73, 0x73, 0x75, 0x75, 0x76, 0x76, |
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58 | 0x79, 0x79, 0x7a, 0x7a, 0x7c, 0x7c, 0x7f, 0x7f, |
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59 | }; |
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60 | |
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61 | /* |
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62 | * Add odd parity to low bit of 8 byte key |
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63 | */ |
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64 | void |
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65 | des_setparity(char *p) |
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66 | { |
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67 | int i; |
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68 | |
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69 | for (i = 0; i < 8; i++) { |
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70 | *p = partab[*p & 0x7f]; |
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71 | p++; |
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72 | } |
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73 | } |
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