Copyright (C) 2011-2015 secunet Security Networks AG Copyright (C) 2011-2015 Reto Buerki <reet@codelabs.ch> Copyright (C) 2011-2015 Adrian-Ken Rueegsegger <ken@codelabs.ch> Free use of this software is granted under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.