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.
RECENT
UPDATES * 27 August 2024
- Refresh for newest update
KL-7 Tech & History Story of Electronics Tech on OTT and
KL-7 at NATO added. KL-7 Tech & History Story of KL-7 COMSEC & Tech Support
in Vietnam added. KL-7 Tech & History Companies research and production KL-7
rotors added. Operation
Tinker Belll Eli
Schwarz is the 29th to completed the operation. More
Updates available in
the updates archive (also via the icon on the
left).
COPYRIGHT
& PRIVACY INFORMATION
This website is created
for educational purposes and its content is
protected by international copyright laws. Use of
content only after permission. Copyrights,
privacy, cookie policy and disclaimer.