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   1  <?php
   2  /**
   3   * Zend Framework
   4   *
   5   * LICENSE
   6   *
   7   * This source file is subject to the new BSD license that is bundled
   8   * with this package in the file LICENSE.txt.
   9   * It is also available through the world-wide-web at this URL:
  10   * http://framework.zend.com/license/new-bsd
  11   * If you did not receive a copy of the license and are unable to
  12   * obtain it through the world-wide-web, please send an email
  13   * to [email protected] so we can send you a copy immediately.
  14   *
  15   * @category   Zend
  16   * @package    Zend_Crypt
  17   * @subpackage Rsa
  18   * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  19   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  20   * @version    $Id: Key.php 24593 2012-01-05 20:35:02Z matthew $
  21   */
  22  
  23  /**
  24   * @category   Zend
  25   * @package    Zend_Crypt
  26   * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  27   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  28   */
  29  class Zend_Crypt_Rsa_Key implements Countable
  30  {
  31      /**
  32       * @var string
  33       */
  34      protected $_pemString = null;
  35  
  36      /**
  37       * Bits, key string and type of key
  38       *
  39       * @var array
  40       */
  41      protected $_details = array();
  42  
  43      /**
  44       * Key Resource
  45       *
  46       * @var resource
  47       */
  48      protected $_opensslKeyResource = null;
  49  
  50      /**
  51       * Retrieves key resource
  52       *
  53       * @return resource
  54       */
  55      public function getOpensslKeyResource()
  56      {
  57          return $this->_opensslKeyResource;
  58      }
  59  
  60      /**
  61       * @return string
  62       * @throws Zend_Crypt_Exception
  63       */
  64      public function toString()
  65      {
  66          if (!empty($this->_pemString)) {
  67              return $this->_pemString;
  68          } elseif (!empty($this->_certificateString)) {
  69              return $this->_certificateString;
  70          }
  71          /**
  72           * @see Zend_Crypt_Exception
  73           */
  74          require_once  'Zend/Crypt/Exception.php';
  75          throw new Zend_Crypt_Exception('No public key string representation is available');
  76      }
  77  
  78      /**
  79       * @return string
  80       */
  81      public function __toString()
  82      {
  83          return $this->toString();
  84      }
  85  
  86      public function count()
  87      {
  88          return $this->_details['bits'];
  89      }
  90  
  91      public function getType()
  92      {
  93          return $this->_details['type'];
  94      }
  95  }