diff -r 000000000000 -r 4eba9c11703f web/Zend/Service/Amazon/Authentication.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Service/Amazon/Authentication.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,82 @@
+<?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_Service_Amazon
+ * @subpackage Authentication
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Service_Amazon
+ * @subpackage Authentication
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_Service_Amazon_Authentication
+{
+    protected $_accessKey;
+    protected $_secretKey;
+    protected $_apiVersion;
+    
+    /**
+     * Constructor
+     * 
+     * @param  string $accessKey 
+     * @param  string $secretKey 
+     * @param  string $apiVersion 
+     * @return void
+     */
+    public function __construct($accessKey, $secretKey, $apiVersion)
+    {
+        $this->setAccessKey($accessKey);
+        $this->setSecretKey($secretKey);
+        $this->setApiVersion($apiVersion);
+    }
+    
+    /**
+     * Set access key
+     * 
+     * @param  string $accessKey 
+     * @return void
+     */
+    public function setAccessKey($accessKey) 
+    {
+        $this->_accessKey = $accessKey;
+    }
+    
+    /**
+     * Set secret key
+     * 
+     * @param  string $secretKey 
+     * @return void
+     */
+    public function setSecretKey($secretKey) 
+    {
+        $this->_secretKey = $secretKey;
+    }
+    
+    /**
+     * Set API version
+     * 
+     * @param  string $apiVersion 
+     * @return void
+     */
+    public function setApiVersion($apiVersion) 
+    {
+        $this->_apiVersion = $apiVersion;
+    }
+}