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The story, loosely based on actual events, takes place in March 1943, when the Second World War was at its height. The cryptanalysts at Bletchley Park, Buckinghamshire, have a problem: the Nazi U-boats have changed one of their code reference books used for Enigma machine ciphers, leading to a blackout in the flow of vital naval signals intelligence.
Codebreaker, also known as Britain's Greatest Codebreaker, is a 2011 television docudrama aired on Channel 4 about the life of Alan Turing.The film had a limited release in the U.S. beginning on 17 October 2012.
Joseph John Rochefort (May 12, 1900 [1] – July 20, 1976) was an American naval officer and cryptanalyst.He was a major figure in the United States Navy's cryptographic and intelligence operations from 1925 to 1946, particularly in the Battle of Midway.
On entering World War II in June 1940, the Italians were using book codes for most of their military messages. The exception was the Italian Navy , which after the Battle of Cape Matapan started using the C-38 version of the Boris Hagelin rotor-based cipher machine , particularly to route their navy and merchant marine convoys to the conflict ...
Cryptography was used extensively during World War II because of the importance of radio communication and the ease of radio interception. The nations involved fielded a plethora of code and cipher systems, many of the latter using rotor machines. As a result, the theoretical and practical aspects of cryptanalysis, or codebreaking, were much ...
Betty Webb (code breaker) served in the ATS (Auxiliary Territorial Service) then moved to Bletchley Park to help decipher Japanese and German encrypted messages; Neil Leslie Webster, major in SIXTA, signals intelligence and codebreaking
The movie, based on a Pulitzer Prize-winning novel, was remade in 2006, a version poorly reviewed despite an all-star cast that includes Sean Penn, Jude Law, Kate Winslet and Anthony Hopkins. 28 ...
A 2012 London Science Museum exhibit, "Code Breaker: Alan Turing's Life and Legacy", [102] marking the centenary of his birth, includes a short film of statements by half a dozen participants and historians of the World War II Bletchley Park Ultra operations. John Agar, a historian of science and technology, states that by war's end 8,995 ...