357 lines
11 KiB
PHP
357 lines
11 KiB
PHP
<?php
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/*
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$Id: createlm.php,v 1.4 2007/12/15 07:50:32 wurley Exp $
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This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
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Copyright (C) 2004 - 2006 Roland Gruber
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* This class provides functions to calculate Samba NT and LM hashes.
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*
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* The code is a conversion from createntlm.pl (Benjamin Kuit) and smbdes.c/md4.c (Andrew Tridgell).
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*
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* @author Roland Gruber
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*
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* @package modules
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*/
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/**
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* Calculates NT and LM hashes.
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*
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* The important functions are lmhash($password) and nthash($password).
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*
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* @package modules
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*/
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class smbHash {
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# Contants used in lanlam hash calculations
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# Ported from SAMBA/source/libsmb/smbdes.c:perm1[56]
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var $perm1 = array(57, 49, 41, 33, 25, 17, 9,
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1, 58, 50, 42, 34, 26, 18,
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10, 2, 59, 51, 43, 35, 27,
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19, 11, 3, 60, 52, 44, 36,
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63, 55, 47, 39, 31, 23, 15,
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7, 62, 54, 46, 38, 30, 22,
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14, 6, 61, 53, 45, 37, 29,
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21, 13, 5, 28, 20, 12, 4);
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# Ported from SAMBA/source/libsmb/smbdes.c:perm2[48]
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var $perm2 = array(14, 17, 11, 24, 1, 5,
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3, 28, 15, 6, 21, 10,
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23, 19, 12, 4, 26, 8,
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16, 7, 27, 20, 13, 2,
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41, 52, 31, 37, 47, 55,
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30, 40, 51, 45, 33, 48,
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44, 49, 39, 56, 34, 53,
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46, 42, 50, 36, 29, 32);
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# Ported from SAMBA/source/libsmb/smbdes.c:perm3[64]
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var $perm3 = array(58, 50, 42, 34, 26, 18, 10, 2,
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60, 52, 44, 36, 28, 20, 12, 4,
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62, 54, 46, 38, 30, 22, 14, 6,
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64, 56, 48, 40, 32, 24, 16, 8,
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57, 49, 41, 33, 25, 17, 9, 1,
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59, 51, 43, 35, 27, 19, 11, 3,
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61, 53, 45, 37, 29, 21, 13, 5,
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63, 55, 47, 39, 31, 23, 15, 7);
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# Ported from SAMBA/source/libsmb/smbdes.c:perm4[48]
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var $perm4 = array(32, 1, 2, 3, 4, 5,
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4, 5, 6, 7, 8, 9,
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8, 9, 10, 11, 12, 13,
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12, 13, 14, 15, 16, 17,
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16, 17, 18, 19, 20, 21,
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20, 21, 22, 23, 24, 25,
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24, 25, 26, 27, 28, 29,
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28, 29, 30, 31, 32, 1);
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# Ported from SAMBA/source/libsmb/smbdes.c:perm5[32]
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var $perm5 = array(16, 7, 20, 21,
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29, 12, 28, 17,
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1, 15, 23, 26,
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5, 18, 31, 10,
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2, 8, 24, 14,
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32, 27, 3, 9,
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19, 13, 30, 6,
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22, 11, 4, 25);
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# Ported from SAMBA/source/libsmb/smbdes.c:perm6[64]
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var $perm6 = array(40, 8, 48, 16, 56, 24, 64, 32,
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39, 7, 47, 15, 55, 23, 63, 31,
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38, 6, 46, 14, 54, 22, 62, 30,
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37, 5, 45, 13, 53, 21, 61, 29,
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36, 4, 44, 12, 52, 20, 60, 28,
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35, 3, 43, 11, 51, 19, 59, 27,
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34, 2, 42, 10, 50, 18, 58, 26,
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33, 1, 41, 9, 49, 17, 57, 25);
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# Ported from SAMBA/source/libsmb/smbdes.c:sc[16]
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var $sc = array(1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1);
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# Ported from SAMBA/source/libsmb/smbdes.c:sbox[8][4][16]
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# Side note, I used cut and paste for all these numbers, I did NOT
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# type them all in =)
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var $sbox = array(array(array(14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7),
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array( 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8),
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array( 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0),
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array(15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13)),
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array(array(15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10),
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array( 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5),
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array( 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15),
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array(13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9)),
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array(array(10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8),
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array(13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1),
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array(13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7),
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array( 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12)),
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array(array( 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15),
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array(13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9),
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array(10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4),
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array( 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14)),
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array(array( 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9),
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array(14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6),
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array( 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14),
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array(11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3)),
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array(array(12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11),
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array(10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8),
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array( 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6),
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array( 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13)),
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array(array( 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1),
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array(13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6),
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array( 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2),
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array( 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12)),
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array(array(13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7),
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array( 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2),
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array( 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8),
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array( 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11)));
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/**
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* Fixes too large numbers
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*/
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function x($i) {
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if ($i < 0) return 4294967296 - $i;
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else return $i;
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}
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/**
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* @param integer count
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* @param array $data
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* @return array
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*/
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function lshift($count, $data) {
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$ret = array();
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for ($i = 0; $i < sizeof($data); $i++) {
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$ret[$i] = $data[($i + $count)%sizeof($data)];
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}
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return $ret;
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}
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/**
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* @param array in input data
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* @param array p permutation
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* @return array
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*/
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function permute($in, $p, $n) {
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$ret = array();
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for ($i = 0; $i < $n; $i++) {
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$ret[$i] = $in[$p[$i] - 1]?1:0;
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}
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return $ret;
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}
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/**
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* @param array $in1
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* @param array $in2
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* @return array
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*/
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function mxor($in1, $in2) {
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$ret = array();
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for ($i = 0; $i < sizeof($in1); $i++) {
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$ret[$i] = $in1[$i] ^ $in2[$i];
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}
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return $ret;
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}
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/**
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* @param array $in
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* @param array $key
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* @param boolean $forw
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* @return array
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*/
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function doHash($in, $key, $forw) {
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$ki = array();
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$pk1 = $this->permute($key, $this->perm1, 56);
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$c = array();
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$d = array();
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for ($i = 0; $i < 28; $i++) {
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$c[$i] = $pk1[$i];
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$d[$i] = $pk1[28 + $i];
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}
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for ($i = 0; $i < 16; $i++) {
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$c = $this->lshift($this->sc[$i], $c);
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$d = $this->lshift($this->sc[$i], $d);
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$cd = $c;
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for ($k = 0; $k < sizeof($d); $k++) $cd[] = $d[$k];
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$ki[$i] = $this->permute($cd, $this->perm2, 48);
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}
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$pd1 = $this->permute($in, $this->perm3, 64);
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$l = array();
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$r = array();
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for ($i = 0; $i < 32; $i++) {
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$l[$i] = $pd1[$i];
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$r[$i] = $pd1[32 + $i];
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}
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for ($i = 0; $i < 16; $i++) {
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$er = $this->permute($r, $this->perm4, 48);
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if ($forw) $erk = $this->mxor($er, $ki[$i]);
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else $erk = $this->mxor($er, $ki[15 - $i]);
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for ($j = 0; $j < 8; $j++) {
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for ($k = 0; $k < 6; $k++) {
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$b[$j][$k] = $erk[($j * 6) + $k];
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}
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}
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for ($j = 0; $j < 8; $j++) {
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$m = array();
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$n = array();
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$m = ($b[$j][0] << 1) | $b[$j][5];
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$n = ($b[$j][1] << 3) | ($b[$j][2] << 2) | ($b[$j][3] << 1) | $b[$j][4];
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for ($k = 0; $k < 4; $k++) {
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$b[$j][$k]=($this->sbox[$j][$m][$n] & (1 << (3-$k)))?1:0;
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}
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}
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for ($j = 0; $j < 8; $j++) {
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for ($k = 0; $k < 4; $k++) {
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$cb[($j * 4) + $k] = $b[$j][$k];
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}
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}
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$pcb = $this->permute($cb, $this->perm5, 32);
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$r2 = $this->mxor($l, $pcb);
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for ($k = 0; $k < 32; $k++) $l[$k] = $r[$k];
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for ($k = 0; $k < 32; $k++) $r[$k] = $r2[$k];
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}
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$rl = $r;
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for ($i = 0; $i < sizeof($l); $i++) $rl[] = $l[$i];
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return $this->permute($rl, $this->perm6, 64);
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}
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function str_to_key($str) {
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$key[0] = $this->unsigned_shift_r($str[0], 1);
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$key[1] = (($str[0]&0x01)<<6) | $this->unsigned_shift_r($str[1], 2);
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$key[2] = (($str[1]&0x03)<<5) | $this->unsigned_shift_r($str[2], 3);
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$key[3] = (($str[2]&0x07)<<4) | $this->unsigned_shift_r($str[3], 4);
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$key[4] = (($str[3]&0x0F)<<3) | $this->unsigned_shift_r($str[4], 5);
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$key[5] = (($str[4]&0x1F)<<2) | $this->unsigned_shift_r($str[5], 6);
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$key[6] = (($str[5]&0x3F)<<1) | $this->unsigned_shift_r($str[6], 7);
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$key[7] = $str[6]&0x7F;
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for ($i = 0; $i < 8; $i++) {
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$key[$i] = ($key[$i] << 1);
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}
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return $key;
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}
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function smb_hash($in, $key, $forw){
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$key2 = $this->str_to_key($key);
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for ($i = 0; $i < 64; $i++) {
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$inb[$i] = ($in[$i/8] & (1<<(7-($i%8)))) ? 1:0;
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$keyb[$i] = ($key2[$i/8] & (1<<(7-($i%8)))) ? 1:0;
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$outb[$i] = 0;
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}
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$outb = $this->doHash($inb, $keyb, $forw);
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for ($i = 0; $i < 8; $i++) {
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$out[$i] = 0;
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}
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for ($i = 0; $i < 64; $i++) {
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if ( $outb[$i] ) {
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$out[$i/8] |= (1<<(7-($i%8)));
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}
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}
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return $out;
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}
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function E_P16($in) {
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$p14 = array_values(unpack("C*",$in));
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$sp8 = array(0x4b, 0x47, 0x53, 0x21, 0x40, 0x23, 0x24, 0x25);
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$p14_1 = array();
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$p14_2 = array();
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for ($i = 0; $i < 7; $i++) {
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$p14_1[$i] = $p14[$i];
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$p14_2[$i] = $p14[$i + 7];
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}
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$p16_1 = $this->smb_hash($sp8, $p14_1, true);
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$p16_2 = $this->smb_hash($sp8, $p14_2, true);
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$p16 = $p16_1;
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for ($i = 0; $i < sizeof($p16_2); $i++) {
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$p16[] = $p16_2[$i];
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}
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return $p16;
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}
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/**
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* Calculates the LM hash of a given password.
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*
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* @param string $password password
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* @return string hash value
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*/
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function lmhash($password = "") {
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$password = strtoupper($password);
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$password = substr($password,0,14);
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$password = str_pad($password, 14, chr(0));
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$p16 = $this->E_P16($password);
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for ($i = 0; $i < sizeof($p16); $i++) {
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$p16[$i] = sprintf("%02X", $p16[$i]);
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}
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return join("", $p16);
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}
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/**
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* Calculates the NT hash of a given password.
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*
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* @param string $password password
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* @return string hash value
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*/
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function nthash($password = "") {
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return strtoupper(bin2hex(hash('md4', iconv("UTF-8","UTF-16LE",$password),true)));
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}
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/**
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* Unsigned shift operation for 32bit values.
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*
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* PHP 4 only supports signed shifts by default.
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*/
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function unsigned_shift_r($a, $b) {
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$z = 0x80000000;
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if ($z & $a) {
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$a = ($a >> 1);
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$a &= (~$z);
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$a |= 0x40000000;
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$a = ($a >> ($b - 1));
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}
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else {
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$a = ($a >> $b);
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}
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return $a;
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}
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}
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?>
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