100 lines
3.4 KiB
PHP
100 lines
3.4 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_InfoCard
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* @subpackage Zend_InfoCard_Cipher
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Cipher.php 16214 2009-06-21 19:34:03Z thomas $
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*/
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/**
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* Provides an abstraction for encryption ciphers used in an Information Card
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* implementation
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*
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* @category Zend
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* @package Zend_InfoCard
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* @subpackage Zend_InfoCard_Cipher
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_InfoCard_Cipher
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{
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/**
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* AES 256 Encryption with CBC
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*/
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const ENC_AES256CBC = 'http://www.w3.org/2001/04/xmlenc#aes256-cbc';
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/**
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* AES 128 Encryption with CBC
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*/
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const ENC_AES128CBC = 'http://www.w3.org/2001/04/xmlenc#aes128-cbc';
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/**
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* RSA Public Key Encryption with OAEP Padding
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*/
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const ENC_RSA_OAEP_MGF1P = 'http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p';
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/**
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* RSA Public Key Encryption with no padding
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*/
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const ENC_RSA = 'http://www.w3.org/2001/04/xmlenc#rsa-1_5';
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/**
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* Constructor (disabled)
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*
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* @return void
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* @codeCoverageIgnoreStart
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*/
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protected function __construct()
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{
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}
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// @codeCoverageIgnoreEnd
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/**
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* Returns an instance of a cipher object supported based on the URI provided
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*
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* @throws Zend_InfoCard_Cipher_Exception
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* @param string $uri The URI of the encryption method wantde
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* @return mixed an Instance of Zend_InfoCard_Cipher_Symmetric_Interface or Zend_InfoCard_Cipher_Pki_Interface
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* depending on URI
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*/
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static public function getInstanceByURI($uri)
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{
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switch($uri) {
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case self::ENC_AES256CBC:
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include_once 'Zend/InfoCard/Cipher/Symmetric/Adapter/Aes256cbc.php';
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return new Zend_InfoCard_Cipher_Symmetric_Adapter_Aes256cbc();
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case self::ENC_AES128CBC:
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include_once 'Zend/InfoCard/Cipher/Symmetric/Adapter/Aes128cbc.php';
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return new Zend_InfoCard_Cipher_Symmetric_Adapter_Aes128cbc();
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case self::ENC_RSA_OAEP_MGF1P:
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include_once 'Zend/InfoCard/Cipher/Pki/Adapter/Rsa.php';
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return new Zend_InfoCard_Cipher_Pki_Adapter_Rsa(Zend_InfoCard_Cipher_Pki_Adapter_Rsa::OAEP_PADDING);
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break;
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case self::ENC_RSA:
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include_once 'Zend/InfoCard/Cipher/Pki/Adapter/Rsa.php';
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return new Zend_InfoCard_Cipher_Pki_Adapter_Rsa(Zend_InfoCard_Cipher_Pki_Adapter_Rsa::NO_PADDING);
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break;
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default:
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require_once 'Zend/InfoCard/Cipher/Exception.php';
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throw new Zend_InfoCard_Cipher_Exception("Unknown Cipher URI");
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}
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}
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}
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