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WWII
World War II - this page is a stub

World War II, or (The Second World War}, commonly abbreviated WWII or WW2, was a global con­flict that lasted from 1939 to 1945, between two military alliences: the Allies and the Axis. It was the most widespread and arguably the most well-documented war in history. During the conflict, both sides made extensive use of hand ciphers and cipher machines to keep the contents of their communications confidential. Below are the WWII cipher systems that are covered on this website.

World War II cipher machines on this website
Enigma cipher machines
SIGABA cipher machines
British wheel-based TYPEX cipher machines
M-209 (Hagelin) US Army, WWII
Siemens T-52 Geheimschreiber
Lorenz SZ-40/42 cipher machine
Schlüsselgerät 41 (Hitlermühle)
OMI Alpha, the first OMI cipher machine (1939-1940)
The Siemens T-43 'Sägefisch' mixer machine
British/Canadion one-time tape cipher machine used during and after WWII
British 5-UCO (BID/30) OTT cipher machine
Russian copy of the Hagelin B-221
B-21, Hagelin's first cipher machine
B-211, the successor to the B-21
C-35
C-36
C-37
BC-39 (motorised version of BC-38 / M-209)
C-443
Cipher machine that uses air instead of electric current
SIGSALY secure telephony system (Ciphony I)
British WWII scrambler phone (also known as Frequency Changer and as Secraphone)
Frequency Changer No. 6AC/3 - British wartime telephone scrambler as used by Churchill
German WWII phone scrambler
M-94 manual cipher device
S.P. 02201 - Signalling instructions of the British Admiralty (1935)
Slidex manual cipher system with spare cards
Reservehandverfahren (manual backup procedure)
RHV
Poem Code used by the Ordedienst (OD)
Further information
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© Crypto Museum. Created: Thursday 04 April 2024. Last changed: Thursday, 04 April 2024 - 07:41 CET.
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