Previous Updates (refresh pages for newest version) If your last visit has been a while ago, this page lists all previous updates to catch up reading. 22-01-2023 Operation Tinker
Bell Maggie Koo is the 21st to
complete Operation Tinker Bell. 29-12-2022 KL-7 Tech &
History Added document security
assessment US/UK cryptographic equipment. 30-11-2022 Hagelin Crypto
AG Added different ways crypto
machines were weakened. 30-10-2022 KL-7 Tech &
History Added links description
and use KL-7 by British Royal Navy. 24-09-2022 KL-7 Tech &
History Added diagram HL-1 tape
reader and KLX-7 Keyboard adapter. 02-08-2022 SIGINT Chatter 27-07-2022 SIGINT Chatter 26-05-2022 KL-7 Tech &
History Expansion KL-7 in
service, graphics and spy case. 21-04-2022 Book Review The Third
Reich Is Listening: Inside German Codebreaking 1939-45. 31-03-2022 All pages Graphical improvements and rearrangements.
Refresh pages! 17-02-2022 Cipher Machines and
Cryptology moved to new domain!
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