204 lines
7.8 KiB
PHP
Executable File
204 lines
7.8 KiB
PHP
Executable File
<?php
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/**
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* PHPExcel_Reader_Excel5_MD5
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*
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* Copyright (c) 2006 - 2015 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Reader_Excel5
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* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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class PHPExcel_Reader_Excel5_MD5
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{
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// Context
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private $a;
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private $b;
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private $c;
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private $d;
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/**
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* MD5 stream constructor
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*/
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public function __construct()
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{
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$this->reset();
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}
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/**
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* Reset the MD5 stream context
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*/
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public function reset()
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{
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$this->a = 0x67452301;
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$this->b = 0xEFCDAB89;
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$this->c = 0x98BADCFE;
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$this->d = 0x10325476;
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}
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/**
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* Get MD5 stream context
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*
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* @return string
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*/
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public function getContext()
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{
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$s = '';
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foreach (array('a', 'b', 'c', 'd') as $i) {
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$v = $this->{$i};
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$s .= chr($v & 0xff);
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$s .= chr(($v >> 8) & 0xff);
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$s .= chr(($v >> 16) & 0xff);
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$s .= chr(($v >> 24) & |