# Chiasmus is an encryption standard developed by the German Federal # Office for Information Security (Bundesamt fuer Sicherheit in der # Informationstechnik). # https://www.bsi.bund.de/EN/Topics/OtherTopics/Chiasmus/Chiasmus_node.html 0 string XIA1\r Chiasmus Encrypted data !:ext xia 0 string XIS Chiasmus key !:ext xis