Typex was the primary cipher machine used by the British military during World War II by and into the early Cold War. Based on the commercial Enigma, it was significantly enhanced to increase its secu
Typex was based on the commercial Enigma machine, but incorporated a number of additional features to improve the security. This model, a Typex 22, was a late variant, incorporating two plugboards.
The Typex 23, pictured, was similar to the Mark 22, but modified for use with the Combined Cypher Machine (CCM).
Typex Mk III was a portable version powered by a handle.
Fish was the UK's GC&CS Bletchley Park codename for any of several German teleprinter stream ciphers used during World War II. Enciphered teleprinter traffic was used between German High Command and A
German prisoners prepare the "Russian Fish" for loading and shipment to England.
The Lorenz SZ42 machine with its covers removed. Bletchley Park museum