8398c9048d
code was modified slightly, so the code differs from the original downloadable 1.9.5 version
92 lines
3 KiB
PHP
92 lines
3 KiB
PHP
<?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_InfoCard
|
|
* @subpackage Zend_InfoCard_Xml
|
|
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
* @version $Id: Abstract.php 16214 2009-06-21 19:34:03Z thomas $
|
|
*/
|
|
|
|
/**
|
|
* Zend_InfoCard_Xml_Element
|
|
*/
|
|
require_once 'Zend/InfoCard/Xml/Element.php';
|
|
|
|
/**
|
|
* Zend_InfoCard_Xml_KeyInfo
|
|
*/
|
|
require_once 'Zend/InfoCard/Xml/KeyInfo.php';
|
|
|
|
/**
|
|
* An abstract class representing a generic EncryptedData XML block. This class is extended
|
|
* into a specific type of EncryptedData XML block (i.e. XmlEnc) as necessary
|
|
*
|
|
* @category Zend
|
|
* @package Zend_InfoCard
|
|
* @subpackage Zend_InfoCard_Xml
|
|
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
*/
|
|
abstract class Zend_InfoCard_Xml_EncryptedData_Abstract extends Zend_InfoCard_Xml_Element
|
|
{
|
|
|
|
/**
|
|
* Returns the KeyInfo Block
|
|
*
|
|
* @return Zend_InfoCard_Xml_KeyInfo_Abstract
|
|
*/
|
|
public function getKeyInfo()
|
|
{
|
|
return Zend_InfoCard_Xml_KeyInfo::getInstance($this->KeyInfo[0]);
|
|
}
|
|
|
|
/**
|
|
* Return the Encryption method used to encrypt the assertion document
|
|
* (the symmetric cipher)
|
|
*
|
|
* @throws Zend_InfoCard_Xml_Exception
|
|
* @return string The URI of the Symmetric Encryption Method used
|
|
*/
|
|
public function getEncryptionMethod()
|
|
{
|
|
|
|
/**
|
|
* @todo This is pretty hacky unless we can always be confident that the first
|
|
* EncryptionMethod block is the correct one (the AES or compariable symetric algorithm)..
|
|
* the second is the PK method if provided.
|
|
*/
|
|
list($encryption_method) = $this->xpath("//enc:EncryptionMethod");
|
|
|
|
if(!($encryption_method instanceof Zend_InfoCard_Xml_Element)) {
|
|
throw new Zend_InfoCard_Xml_Exception("Unable to find the enc:EncryptionMethod symmetric encryption block");
|
|
}
|
|
|
|
$dom = self::convertToDOM($encryption_method);
|
|
|
|
if(!$dom->hasAttribute('Algorithm')) {
|
|
throw new Zend_InfoCard_Xml_Exception("Unable to determine the encryption algorithm in the Symmetric enc:EncryptionMethod XML block");
|
|
}
|
|
|
|
return $dom->getAttribute('Algorithm');
|
|
}
|
|
|
|
/**
|
|
* Returns the value of the encrypted block
|
|
*
|
|
* @return string the value of the encrypted CipherValue block
|
|
*/
|
|
abstract function getCipherValue();
|
|
}
|