lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #if !defined(lint) && defined(SCCSIDS) |
| 2 | static char sccsid[] = "@(#)des_soft.c 2.2 88/08/10 4.0 RPCSRC; from 1.13 88/02/08 SMI"; |
| 3 | #endif |
| 4 | /* |
| 5 | * Copyright (c) 2010, Oracle America, Inc. |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following |
| 14 | * disclaimer in the documentation and/or other materials |
| 15 | * provided with the distribution. |
| 16 | * * Neither the name of the "Oracle America, Inc." nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived |
| 18 | * from this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 23 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 24 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| 25 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| 27 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 29 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 30 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 32 | */ |
| 33 | |
| 34 | #include <rpc/des_crypt.h> |
| 35 | #include <abi-versions.h> |
| 36 | /* |
| 37 | * Table giving odd parity in the low bit for ASCII characters |
| 38 | */ |
| 39 | static const char partab[128] = |
| 40 | { |
| 41 | 0x01, 0x01, 0x02, 0x02, 0x04, 0x04, 0x07, 0x07, |
| 42 | 0x08, 0x08, 0x0b, 0x0b, 0x0d, 0x0d, 0x0e, 0x0e, |
| 43 | 0x10, 0x10, 0x13, 0x13, 0x15, 0x15, 0x16, 0x16, |
| 44 | 0x19, 0x19, 0x1a, 0x1a, 0x1c, 0x1c, 0x1f, 0x1f, |
| 45 | 0x20, 0x20, 0x23, 0x23, 0x25, 0x25, 0x26, 0x26, |
| 46 | 0x29, 0x29, 0x2a, 0x2a, 0x2c, 0x2c, 0x2f, 0x2f, |
| 47 | 0x31, 0x31, 0x32, 0x32, 0x34, 0x34, 0x37, 0x37, |
| 48 | 0x38, 0x38, 0x3b, 0x3b, 0x3d, 0x3d, 0x3e, 0x3e, |
| 49 | 0x40, 0x40, 0x43, 0x43, 0x45, 0x45, 0x46, 0x46, |
| 50 | 0x49, 0x49, 0x4a, 0x4a, 0x4c, 0x4c, 0x4f, 0x4f, |
| 51 | 0x51, 0x51, 0x52, 0x52, 0x54, 0x54, 0x57, 0x57, |
| 52 | 0x58, 0x58, 0x5b, 0x5b, 0x5d, 0x5d, 0x5e, 0x5e, |
| 53 | 0x61, 0x61, 0x62, 0x62, 0x64, 0x64, 0x67, 0x67, |
| 54 | 0x68, 0x68, 0x6b, 0x6b, 0x6d, 0x6d, 0x6e, 0x6e, |
| 55 | 0x70, 0x70, 0x73, 0x73, 0x75, 0x75, 0x76, 0x76, |
| 56 | 0x79, 0x79, 0x7a, 0x7a, 0x7c, 0x7c, 0x7f, 0x7f, |
| 57 | }; |
| 58 | |
| 59 | /* |
| 60 | * Add odd parity to low bit of 8 byte key |
| 61 | */ |
| 62 | void |
| 63 | des_setparity (char *p) |
| 64 | { |
| 65 | int i; |
| 66 | |
| 67 | for (i = 0; i < 8; i++) |
| 68 | { |
| 69 | *p = partab[*p & 0x7f]; |
| 70 | p++; |
| 71 | } |
| 72 | } |
| 73 | libc_hidden_nolink_sunrpc (des_setparity, GLIBC_2_1) |