
CONTACT
& INFO
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 RECENT
UPDATES * 14 May 2025 Refresh Updates
KL-7 Tech & History Improved text re-entry principle and
updated drawing.
Enigma
Challenge Raphael Amhof
& Andy Huynh 90th to complete challenge.
Articles History of the TSEC/KL-7 ADONIS &
POLLUX updated Version 4.2
SIGINT Chatter 20 Years
of Cryptologic Challenges, overview and
statistics.
More
Updates available in
the updates archive (also via the icon on the
left)
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