added a protected method

advaced criterias are now implemented

chap-server.py

     # initializes class-instance and instance variables
     def __init__(self):
         self.key = '';
-        self.authenticated = 0;
+        self.authenticated = False;
 
     # tells the server to start the autentification process
     # and send the generated random salt
         self.authenticated = passhash == password_hash
         return self.authenticated
 
+    # a little method that refuses to say hi, if you
+    # are not authenticated
+    def hello(self):
+        if ( self.authenticated ):
+            return 'Hi, you are authenticated'
+        else:
+            return 'Sorry, please authenticate first'
 server.register_instance(CHAP())
 # Run the server's main loop
 server.serve_forever()