Visit the Cipher Machines and Cryptology website with detailed information and free accurate software simulations of the WW2 German Enigma machine, U.S. M-209, Cold War U.S. TSEC/KL-7, and Swiss Hagelin CX-52. The website also covers various other crypto machines, manual ciphers, one-time pad systems, numbers stations, challenges and much more.
Historical and technical information about crypto machines,
cryptology and free software simulations
© Dirk Rijmenants 2004 - 2025
cryptology and free software simulations
© Dirk Rijmenants 2004 - 2025
The website is also archived by the Internet Archive.
