CIPHER
MACHINES AND CRYPTOLOGY Technical and historical
information about cipher machines and the
fascinating world of cryptology
WELCOME
This website covers WW2 and Cold War era cipher
machines, detailed technical and historical
information, and manual ciphers. Learn how the
equipment works and how it was operated. You can
download realistic software simulations that work
exactly like the real machines. This website is
also preserved on the Internet Archive.
Crypto News
Bletchley Park Podcast on British codebreaking
during WW2. Operation Tinker Bell Zdenek Berka from Czechia 34th to
complete operation. Enigma
Challenge Zdenek Berka
from Czech Republic 98th to complete challenge. Elite
Box Challenge Bernard
Richt from Germany is the 5th so solve one box. KL-7 Tech & History Article Version 6.1 added clarification
Asian countries.
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for educational purposes, and its content is
protected by international copyright laws. Use of
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