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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Crypt
  * @subpackage Rsa
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Crypt_Rsa_Key
  */
 // require_once 'Zend/Crypt/Rsa/Key.php';
 
 /**
  * @category   Zend
  * @package    Zend_Crypt
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Crypt_Rsa_Key_Private extends Zend_Crypt_Rsa_Key
 {
 
     protected $_publicKey = null;
 
     public function __construct($pemString, $passPhrase = null)
     {
         $this->_pemString = $pemString;
         $this->_parse($passPhrase);
     }
 
     /**
      * @param string $passPhrase
      * @throws Zend_Crypt_Exception
      */
     protected function _parse($passPhrase)
     {
         $result = openssl_get_privatekey($this->_pemString, $passPhrase);
         if (!$result) {
             /**
              * @see Zend_Crypt_Exception
              */
             // require_once 'Zend/Crypt/Exception.php';
             throw new Zend_Crypt_Exception('Unable to load private key');
         }
         $this->_opensslKeyResource = $result;
         $this->_details = openssl_pkey_get_details($this->_opensslKeyResource);
     }
 
     public function getPublicKey()
     {
         if ($this->_publicKey === null) {
             /**
              * @see Zend_Crypt_Rsa_Key_Public
              */
             // require_once 'Zend/Crypt/Rsa/Key/Public.php';
             $this->_publicKey = new Zend_Crypt_Rsa_Key_Public($this->_details['key']);
         }
         return $this->_publicKey;
     }
 
 }