diff --git a/bin/sso/module.js b/bin/sso/module.js
new file mode 100644
index 0000000..6dda955
--- /dev/null
+++ b/bin/sso/module.js
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the authRxbn eco-system.
+ *
+ * (c) Ruben Meyer <contact@rxbn.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+var functions = {};
+var request = require('request');
+var querystring = require('querystring');
+
+/**
+ * authenticate user
+ * @author Ruben Meyer
+ * @param {Object} obj obj (userId, userToken, appId, appSecret)
+ * @param {Function} callback obj (err, access => true, false)
+ */
+functions.authenticateUser = (obj, callback) => {
+	if(typeof callback !== 'function') callback = function() {};
+
+	request({
+		method: 'POST',
+		uri: global['gds'].cfg.sso.authenticator,
+		headers: {
+			'Content-Type': 'application/json'
+		},
+		body: JSON.stringify({
+			applicationId: obj.appId,
+			applicationSecret: obj.appSecret,
+			userId: obj.userId,
+			token: obj.userToken
+		})
+	}, (err, res, body) => {
+		console.log('error:', err); // Print the error if one occurred
+		console.log('statusCode:', res && res.statusCode); // Print the response status code if a response was received
+		console.log('body:', body); // Print the HTML
+		try {
+			if(typeof body !== "object") body = JSON.parse(body);
+			return callback(err, body.access);
+		} catch(e) {}
+		callback(new Error("Body is misformed"));
+	});
+};
+
+/**
+ *
+ * Create Authentication
+ * @author Ruben Meyer
+ * @param {Object} obj obj(url, appId)
+ * @param {Function} callback string(url)
+ */
+functions.createAuthentication = (obj) => {
+	let nUrl = {
+		redirectUrl: obj.url,
+		appId: obj.appId
+	};
+	return global['gds'].cfg.sso.redirectUser+"?"+querystring.stringify(nUrl);
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+module.exports = functions;