# 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