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 license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_InfoCard

    17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    18  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    19  * @version    $Id: XmlDSig.php 20096 2010-01-06 02:05:09Z bkarwin $

    20  */

    21 

    22 /**

    23  * Zend_InfoCard_Xml_KeyInfo_Abstract

    24  */

    25 require_once 'Zend/InfoCard/Xml/KeyInfo/Abstract.php';

    26 

    27 /**

    28  * Zend_InfoCard_Xml_EncryptedKey

    29  */

    30 require_once 'Zend/InfoCard/Xml/EncryptedKey.php';

    31 

    32 /**

    33  * Zend_InfoCard_Xml_KeyInfo_Interface

    34  */

    35 require_once 'Zend/InfoCard/Xml/KeyInfo/Interface.php';

    36 

    37 /**

    38  * Represents a Xml Digital Signature XML Data Block

    39  *

    40  * @category   Zend

    41  * @package    Zend_InfoCard

    42  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    43  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    44  */

    45 class Zend_InfoCard_Xml_KeyInfo_XmlDSig

    46     extends Zend_InfoCard_Xml_KeyInfo_Abstract

    47     implements Zend_InfoCard_Xml_KeyInfo_Interface

    48 {

    49     /**

    50      * Returns an instance of the EncryptedKey Data Block

    51      *

    52      * @throws Zend_InfoCard_Xml_Exception

    53      * @return Zend_InfoCard_Xml_EncryptedKey

    54      */

    55     public function getEncryptedKey()

    56     {

    57         $this->registerXPathNamespace('e', 'http://www.w3.org/2001/04/xmlenc#');

    58         list($encryptedkey) = $this->xpath('//e:EncryptedKey');

    59 

    60         if(!($encryptedkey instanceof Zend_InfoCard_Xml_Element)) {

    61             throw new Zend_InfoCard_Xml_Exception("Failed to retrieve encrypted key");

    62         }

    63 

    64         return Zend_InfoCard_Xml_EncryptedKey::getInstance($encryptedkey);

    65     }

    66 

    67     /**

    68      * Returns the KeyInfo Block within the encrypted key

    69      *

    70      * @return Zend_InfoCard_Xml_KeyInfo_Default

    71      */

    72     public function getKeyInfo()

    73     {

    74         return $this->getEncryptedKey()->getKeyInfo();

    75     }

    76 }