--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/InfoCard/Cipher.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,99 @@
+<?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_Cipher
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Cipher.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Provides an abstraction for encryption ciphers used in an Information Card
+ * implementation
+ *
+ * @category   Zend
+ * @package    Zend_InfoCard
+ * @subpackage Zend_InfoCard_Cipher
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_InfoCard_Cipher
+{
+    /**
+     * AES 256 Encryption with CBC
+     */
+    const ENC_AES256CBC      = 'http://www.w3.org/2001/04/xmlenc#aes256-cbc';
+
+    /**
+     * AES 128 Encryption with CBC
+     */
+    const ENC_AES128CBC      = 'http://www.w3.org/2001/04/xmlenc#aes128-cbc';
+
+    /**
+     * RSA Public Key Encryption with OAEP Padding
+     */
+    const ENC_RSA_OAEP_MGF1P = 'http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p';
+
+    /**
+     * RSA Public Key Encryption with no padding
+     */
+    const ENC_RSA            = 'http://www.w3.org/2001/04/xmlenc#rsa-1_5';
+
+    /**
+     * Constructor (disabled)
+     *
+     * @return void
+     * @codeCoverageIgnoreStart
+     */
+    protected function __construct()
+    {
+    }
+    // @codeCoverageIgnoreEnd
+    /**
+     * Returns an instance of a cipher object supported based on the URI provided
+     *
+     * @throws Zend_InfoCard_Cipher_Exception
+     * @param string $uri The URI of the encryption method wantde
+     * @return mixed an Instance of Zend_InfoCard_Cipher_Symmetric_Interface or Zend_InfoCard_Cipher_Pki_Interface
+     *               depending on URI
+     */
+    static public function getInstanceByURI($uri)
+    {
+        switch($uri) {
+            case self::ENC_AES256CBC:
+                include_once 'Zend/InfoCard/Cipher/Symmetric/Adapter/Aes256cbc.php';
+                return new Zend_InfoCard_Cipher_Symmetric_Adapter_Aes256cbc();
+
+            case self::ENC_AES128CBC:
+                include_once 'Zend/InfoCard/Cipher/Symmetric/Adapter/Aes128cbc.php';
+                return new Zend_InfoCard_Cipher_Symmetric_Adapter_Aes128cbc();
+
+            case self::ENC_RSA_OAEP_MGF1P:
+                include_once 'Zend/InfoCard/Cipher/Pki/Adapter/Rsa.php';
+                return new Zend_InfoCard_Cipher_Pki_Adapter_Rsa(Zend_InfoCard_Cipher_Pki_Adapter_Rsa::OAEP_PADDING);
+                break;
+
+            case self::ENC_RSA:
+                include_once 'Zend/InfoCard/Cipher/Pki/Adapter/Rsa.php';
+                return new Zend_InfoCard_Cipher_Pki_Adapter_Rsa(Zend_InfoCard_Cipher_Pki_Adapter_Rsa::NO_PADDING);
+                break;
+
+            default:
+                require_once 'Zend/InfoCard/Cipher/Exception.php';
+                throw new Zend_InfoCard_Cipher_Exception("Unknown Cipher URI");
+        }
+    }
+}