proper support for "isabelle update -D DIR": avoid accidental exclusion of select_dirs (amending e5dafe9e120f);
(* Author: Lawrence C Paulson, Cambridge University Computer Laboratory
Copyright 1996 University of Cambridge
*)
section \<open>Smartcard protocols: rely on conventional Message and on new EventSC and Smartcard\<close>
theory Auth_Smartcard
imports
ShoupRubin
ShoupRubinBella
begin
end