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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.

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U.S. KL-7 ADONIS

Enigma Simulator

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Numbers Stations

Crypto's Cast

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RECENT UPDATES * 10 October 2024 - Refresh for newest update

Crypto News Added page with news historical crypto, machines and its history.
KL-7 Tech & History Story Electronics Tech on OTT and KL-7 at NATO added.
KL-7 Tech & History Story KL-7 COMSEC & Tech Support in Vietnam 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).

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