HTTP digest authentication

The digest http authentication does not allow to use a password storing
systems, that do not successively allow to retrieve it, even if hashed

application/libraries/FHC_Auth.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * FH-Complete
+ *
+ * @package	FHC-Helper
+ * @author	FHC-Team
+ * @copyright	Copyright (c) 2016 fhcomplete.org
+ * @license	GPLv3
+ * @link	https://fhcomplete.org
+ * @since	Version 1.0.0
+ * @filesource
+ */
+defined('BASEPATH') OR exit('No direct script access allowed');
+require_once FCPATH.'include/authentication.class.php';
+require_once FCPATH.'include/AddonAuthentication.php';
+
+/**
+ * FHC-Auth Helpers
+ *
+ * @package		FH-Complete
+ * @subpackage	Helpers
+ * @category	Helpers
+ * @author		FHC-Team
+ * @link		http://fhcomplete.org/user_guide/helpers/fhcauth_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+class FHC_Auth
+{
+	/**
+	 * Auth Username, Password over FH-Complete
+	 *
+	 * @param	string	$username
+	 * @param	string	$password
+	 * @return	bool
+	 */
+	function auth($username, $password)
+	{
+		$auth = new authentication();
+		if ($auth->checkpassword($username, $password))
+		{
+			//echo 'Auth-Method-True';
+			return true;
+		}
+		else
+		{
+			//echo 'Auth-Method-False';
+			return false;
+		}
+	}
+	
+	/**
+	 * Get the md5 hashed password by the addon username
+	 *
+	 * @param	string	$username addon username
+	 * @return	string	md5 hashed string
+	 */
+	public function digestAuthentication($username)
+	{
+		$aam = new AddonAuthentication();
+		
+		return md5($aam->getPasswordByUsername($username));
+	}
+}