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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.

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RECENT UPDATES * 07 November 2026 Refresh for Latest Updates

Operation Tinker Bell Valentin-Daniel Popa, Romania, 40th to complete mission.
Crow's Cryptogram Muhammad Ali from Pakistan is 4th to solve cryptogram.
Crow's Cryptogram Valentin-Daniel Popa from Romania 3rd to solve cryptogram.
Crypto News All Elite Boxes solved and plans to add Crypto Box to CrypTool.
Elite Box Challenge Bernhard Esslinger from Germany solved all Elite Boxes.

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