CIPHER
MACHINES AND CRYPTOLOGY Technical and historical
information about cipher machines and the
fascinating world of cryptology
WELCOME
Technical and historical information about WW2
and Cold War cipher machines and the fascinating
world of cryptology. Learn how crypto equipment
works and how it is operated. You can download
realistic software simulations that work exactly
like the real machines. This website is also
preserved on the Internet Archive.
Enigma Challenge Yingjie Wang from China is 91st to
complete the challenge. Crypto
News Papers from
British computer pioneer Alan Turing auctioned. Elite
Box Challenge George
Lasry from Israel is 4th to solve one Elite Box. KL-7 Tech & History Expanded text re-entry principle and
updated drawing. More
Updates available in
updates archive (also via icon on the left)
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