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1 <?php 2 /** 3 * Copyright 2005-2008 Matthew Fonda <mfonda@php.net> 4 * Copyright 2008 Philippe Jausions <jausions@php.net> 5 * Copyright 2012-2017 Horde LLC (http://www.horde.org/) 6 * 7 * See the enclosed file LICENSE for license information (LGPL). If you 8 * did not receive this file, see http://www.horde.org/licenses/lgpl21. 9 * 10 * @author Matthew Fonda <mfonda@php.net> 11 * @author Philippe Jausions <jausions@php.net> 12 * @author Michael Slusarz <slusarz@horde.org> 13 * @category Horde 14 * @license http://www.horde.org/licenses/lgpl21 LGPL 2.1 15 * @package Crypt_Blowfish 16 */ 17 18 /** 19 * PHP implementation of the Blowfish algorithm in ECB mode. 20 * 21 * @author Matthew Fonda <mfonda@php.net> 22 * @author Philippe Jausions <jausions@php.net> 23 * @author Michael Slusarz <slusarz@horde.org> 24 * @category Horde 25 * @copyright 2005-2008 Matthew Fonda 26 * @copyright 2008 Philippe Jausions 27 * @copyright 2012-2017 Horde LLC 28 * @license http://www.horde.org/licenses/lgpl21 LGPL 2.1 29 * @package Crypt_Blowfish 30 */ 31 class Horde_Crypt_Blowfish_Php_Ecb extends Horde_Crypt_Blowfish_Php_Base 32 { 33 /** 34 */ 35 public function encrypt($text, $iv) 36 { 37 $cipherText = ''; 38 $len = strlen($text); 39 40 for ($i = 0; $i < $len; $i += 8) { 41 list(, $Xl, $Xr) = unpack('N2', substr($text, $i, 8)); 42 $this->_encipher($Xl, $Xr); 43 $cipherText .= pack('N2', $Xl, $Xr); 44 } 45 46 return $cipherText; 47 } 48 49 /** 50 */ 51 public function decrypt($text, $iv) 52 { 53 $plainText = ''; 54 $len = strlen($text); 55 56 for ($i = 0; $i < $len; $i += 8) { 57 list(, $Xl, $Xr) = unpack('N2', substr($text, $i, 8)); 58 $this->_decipher($Xl, $Xr); 59 $plainText .= pack('N2', $Xl, $Xr); 60 } 61 62 return $plainText; 63 } 64 65 }
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