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The official film website allowed visitors to unlock exclusive content by solving cryptic crossword puzzles supposedly conceived by Turing. The website puzzle was a shorter version [36] of the Daily Telegraph puzzle of January 13, 1942 that was actually used in Bletchley Park recruitment during the war [37] (and the puzzle was not set by Turing ...
The Enigma machine was used commercially from the early 1920s and was adopted by the militaries and governments of various countries—most famously, Nazi Germany. Cryptanalysis of the Enigma ciphering system enabled the western Allies in World War II to read substantial amounts of Morse-coded radio communications of the Axis powers that had ...
The Enigma machine is a cipher device developed and used in the early- to mid-20th century to protect commercial, diplomatic, and military communication. It was employed extensively by Nazi Germany during World War II, in all branches of the German military. The Enigma machine was considered so secure that it was used to encipher the most top ...
On 18 August 1942, a day before the Dieppe raid, 'Dieppe' appeared as an answer in The Daily Telegraph crossword (set on 17 August 1942) (clued "French port"), causing a security alarm. The War Office suspected that the crossword had been used to pass intelligence to the enemy and called upon Lord Tweedsmuir, then a senior intelligence officer ...
Mastermind. (board game) Mastermind or Master Mind ( Hebrew: בול פגיעה, romanized : bul pgi'a) is a code -breaking game for two players invented in Israel. [1] [2] It resembles an earlier pencil and paper game called Bulls and Cows that may date back a century.
Code Girls. U.S. Army Signals Intelligence Service cryptologists, mostly women, at work at Arlington Hall circa 1943. The Code Girls or World War II Code Girls is a nickname for the more than 10,000 women who served as cryptographers (code makers) and cryptanalysts (code breakers) for the United States Military during World War II, working in ...
John William Jamieson Herivel (29 August 1918 – 18 January 2011) [1] was a British science historian and World War II codebreaker at Bletchley Park. [2] As a codebreaker concerned with Cryptanalysis of the Enigma, Herivel is remembered chiefly for the discovery of what was soon dubbed the Herivel tip or Herivelismus.
A Hashiwokakero puzzle (left) and one of its solutions. The number of bridges connected to each "island" must match the number written on that island. Hashiwokakero (橋をかけろ Hashi o kakero; lit. "build bridges!") is a type of logic puzzle published by Nikoli. [1] It has also been published in English under the name Bridges or Chopsticks ...