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  • cyphered code to agents stationed abroad, interception fixed line and wireless communication and the department closely works with the Joint Cypher Bureau...
    17 KB (1,803 words) - 16:36, 23 May 2024
  • Thumbnail for Washington Naval Treaty
    participants of the Conference was that the American "Black Chamber" (the Cypher Bureau, a US intelligence service), commanded by Herbert Yardley, was spying...
    31 KB (3,601 words) - 22:31, 9 June 2024
  • Oddział II Sztabu Generalnego Wojska Polskiego (1918–1939) Biuro Szyfrów (Cypher Bureau) Estezet (STZ) Polish Agency of Trade Information (PAIH) Ministerstwo...
    14 KB (1,257 words) - 19:32, 10 March 2024
  • Thumbnail for Far East Combined Bureau
    The Far East Combined Bureau, an outstation of the British Government Code and Cypher School, was set up in Hong Kong in March 1935, to monitor Japanese...
    12 KB (1,626 words) - 11:58, 18 February 2024
  • Thumbnail for Polish Resettlement Act 1947
    British community as it exists today. In advance of the war, the Polish Cypher Bureau broke the early version of the Enigma machine and gave their knowledge...
    10 KB (1,158 words) - 15:43, 25 February 2024
  • Thumbnail for MI6
    MI6 (redirect from Secret Service Bureau)
    cryptanalytic effort undertaken by the Government Code and Cypher School (GC&CS), the bureau responsible for interception and decryption of foreign communications...
    117 KB (14,331 words) - 21:02, 15 June 2024
  • This Referat should have been even more important, as it was the only cypher bureau that received up to date information from both the eastern and western...
    305 KB (41,763 words) - 00:33, 15 March 2024
  • operations was supervised by a small cadre obtained from the Reichswehr cypher bureau. On 1 January 1937, the agency was officially launched, under the Luftwaffe...
    69 KB (9,960 words) - 16:09, 24 February 2024
  • Thumbnail for Enigma machine
    States and Poland. In 1927 Hugh Foss at the British Government Code and Cypher School was able to show that commercial Enigma machines could be broken...
    93 KB (11,271 words) - 01:24, 31 May 2024
  • sent Commander Alastair Denniston, head of Britain's Government Code and Cypher School, Dilly Knox, chief British cryptanalyst and Commander Humphrey Sandwith...
    58 KB (6,908 words) - 14:00, 11 March 2024
  • Thumbnail for GCHQ
    originally established after the First World War as the Government Code and Cypher School (GC&CS) and was known under that name until 1946. During the Second...
    90 KB (8,895 words) - 21:33, 2 June 2024
  • Thumbnail for Zodiac Killer
    Zodiac Killer (redirect from 340 cypher)
    Stine composite sketch, and the word "Gyke" also appears in the Zodiac cypher that claimed to contain his identity. When he was working for the Gazette...
    170 KB (18,743 words) - 06:54, 13 June 2024
  • National Security Agency (NSA). Prior to World War I, the only prior codes and cypher organizations maintained by the U.S. government had been some intermittent...
    7 KB (749 words) - 03:36, 24 March 2024
  • Imperial Japanese Navy from late 1942 to 1944 and similar to CORAL; see JADE (cypher machine). A succession of codes used to communicate between Japanese naval...
    16 KB (2,054 words) - 03:54, 9 August 2023
  • Null cipher (redirect from Null cypher)
    ISBN 9780763629724. "Cryptanalysts: Breaking Codes to Stop Crime, Part 1". Federal Bureau of Investigation. March 21, 2011. Retrieved 2018-09-30. "Aeneas Tacticus...
    11 KB (1,496 words) - 17:22, 29 October 2023
  • Block cipher (redirect from Block cyphers)
    of 2014. The publication of the DES cipher by the United States National Bureau of Standards (subsequently the U.S. National Institute of Standards and...
    50 KB (6,475 words) - 22:23, 3 May 2024
  • Adolf Paschke that was called Section 114. The service was to act as a cypher bureau for the Central office of Encryption (ZfCh) (German: Zentralstelle für...
    9 KB (1,084 words) - 12:30, 24 January 2023
  • Women's Voluntary Services. India Flora Agnes Balding, Assistant, Central Cypher Bureau, External Affairs Department, Government of India. John Bickers, Station...
    141 KB (16,619 words) - 09:01, 26 May 2024
  • Adolf Paschke that was called Section 114. The service was to act as a cypher bureau for the Central office of Encryption (ZfCh) (German: Zentralstelle für...
    6 KB (717 words) - 16:39, 23 January 2024
  • Thumbnail for Hut 3
    Hut 3 was a section of the Government Code and Cypher School (GC&CS) at Bletchley Park during World War II. It retained the name for its functions when...
    16 KB (2,165 words) - 10:00, 6 May 2024
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