diff --git a/src/SmsGateway/Auth/NullAuth.php b/src/SmsGateway/Auth/NullAuth.php
new file mode 100644
index 0000000..12977ad
--- /dev/null
+++ b/src/SmsGateway/Auth/NullAuth.php
@@ -0,0 +1,50 @@
+<?php
+namespace SmsGateway\Auth;
+
+use SmsGateway\AuthInterface;
+use SmsGateway\LoggerInterface;
+
+/**
+ * Description of NullAuth
+ *
+ * @author Gergely Polonkai
+ */
+class NullAuth implements AuthInterface
+{
+    private $logger;
+
+    public function setLogger(LoggerInterface $logger)
+    {
+        $this->logger = $logger;
+    }
+
+    public function getLogger()
+    {
+        return $this->logger;
+    }
+
+    public function removeToken($token, $ip, $sessionId)
+    {
+        return true;
+    }
+
+    public function isTokenValid($token, $ip, $sessionId)
+    {
+        return true;
+    }
+
+    public function authenticate($username, $password, $ip, $sessionId)
+    {
+        return true;
+    }
+
+    public function getTokenUsername($token, $ip, $sessionId)
+    {
+        return 'unknown';
+    }
+
+    public function getToken($username, $ip, $sessionId)
+    {
+        return 'alwaysValid';
+    }
+}