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