• Cryptanalysis of the Lorenz cipher was the process that enabled the British to read high-level German army messages during World War II. The British Government...
    81 KB (8,661 words) - 15:51, 10 May 2025
  • Thumbnail for Fish (cryptography)
    (See Lorenz cipher, Cryptanalysis of the Lorenz cipher.) The German army used Fish for communications between the highest authorities in Berlin and the high-ranking...
    14 KB (1,477 words) - 20:11, 16 April 2025
  • Thumbnail for Cryptanalysis
    Algorithmic Cryptanalysis. CRC Press. ISBN 978-1-4200-7002-6. Junod, Pascal; Canteaut, Anne (2011). Advanced Linear Cryptanalysis of Block and Stream Ciphers. IOS...
    44 KB (5,215 words) - 09:41, 17 June 2025
  • Thumbnail for Cryptanalysis of the Enigma
    Cryptanalysis of the Enigma ciphering system enabled the western Allies in World War II to read substantial amounts of Morse-coded radio communications...
    140 KB (17,833 words) - 16:52, 1 June 2025
  • Thumbnail for John Tiltman
    John Tiltman (category Commanders of the Order of the British Empire)
    exceptional skill at cryptanalysis. His work in association with Bill Tutte on the cryptanalysis of the Lorenz cipher, the German teleprinter cipher, called "Tunny"...
    12 KB (1,063 words) - 20:23, 16 June 2025
  • Thumbnail for Lorenz cipher
    The Lorenz SZ40, SZ42a and SZ42b were German rotor stream cipher machines used by the German Army during World War II. They were developed by C. Lorenz...
    34 KB (3,793 words) - 06:34, 25 May 2025
  • Thumbnail for Colossus computer
    Colossus was a set of computers developed by British codebreakers in the years 1943–1945 to help in the cryptanalysis of the Lorenz cipher. Colossus used...
    66 KB (7,190 words) - 09:10, 11 May 2025
  • Thumbnail for Alan Turing
    Alan Turing (category Officers of the Order of the British Empire)
    for German naval cryptanalysis. Turing devised techniques for speeding the breaking of German ciphers, including improvements to the pre-war Polish bomba...
    148 KB (15,067 words) - 17:12, 17 June 2025
  • World War II cryptography (category History of cryptography)
    of military intelligence throughout the war. Intelligence from this source and other high level sources, such as Cryptanalysis of the Lorenz cipher,...
    6 KB (624 words) - 17:34, 27 February 2025
  • the section that developed the Colossus computer for Cryptanalysis of the Lorenz cipher. Georges Painvin French, broke the ADFGVX cipher during the First...
    22 KB (2,482 words) - 17:36, 10 May 2025
  • Gilbert Vernam (category Stream ciphers)
    mistake of this sort famously allowed the Cryptanalysis of the Lorenz cipher by the British at Bletchley Park during World War II. They diagnosed how the keystream...
    9 KB (904 words) - 12:23, 7 December 2024
  • Thumbnail for Enigma machine
    commentators say the flow of Ultra communications intelligence from the decrypting of Enigma, Lorenz, and other ciphers shortened the war substantially...
    93 KB (11,280 words) - 00:18, 16 June 2025
  • Thumbnail for Type B Cipher Machine
    The "System 97 Typewriter for European Characters" (九七式欧文印字機 kyūnana-shiki ōbun injiki) or "Type B Cipher Machine", codenamed Purple by the United States...
    31 KB (3,931 words) - 14:58, 29 January 2025
  • Thumbnail for Typex
    Typex (category World War II military equipment of the United Kingdom)
    transmitted all in one step, with the reverse also true. Cryptanalysis of the Enigma Cryptanalysis of the Lorenz cipher Mercury (Typex Mark X)—a Typex descendant...
    15 KB (2,010 words) - 03:50, 26 March 2025
  • W. T. Tutte (category Cipher-machine cryptographers)
    mathematician. During the Second World War, he made a fundamental advance in cryptanalysis of the Lorenz cipher, a major Nazi German cipher system which was...
    43 KB (4,719 words) - 19:22, 16 June 2025
  • Thumbnail for Cipher Department of the High Command of the Wehrmacht
    The Cipher Department of the High Command of the Wehrmacht (German: Amtsgruppe Wehrmachtnachrichtenverbindungen, Abteilung Chiffrierwesen) (also Oberkommando...
    132 KB (15,440 words) - 22:35, 17 November 2024
  • Thumbnail for Heath Robinson (codebreaking machine)
    Heath Robinson (codebreaking machine) (category World War II military equipment of the United Kingdom)
    at the Government Code and Cypher School at Bletchley Park during World War II in cryptanalysis of the Lorenz cipher. This achieved the decryption of messages...
    17 KB (1,853 words) - 08:34, 25 May 2025
  • Thumbnail for M-94
    M-94 (category Classical ciphers)
    available. The main method of M-138-A cryptanalysis practiced by Axis, besides physically capturing the systems, was exploiting its vulnerability to the known-plaintext...
    8 KB (1,054 words) - 15:10, 26 January 2024
  • Thumbnail for Cryptography
    Essentially all ciphers remained vulnerable to cryptanalysis using the frequency analysis technique until the development of the polyalphabetic cipher, most clearly...
    99 KB (11,007 words) - 11:28, 7 June 2025
  • Thumbnail for SIGABA
    SIGABA (category World War II military equipment of the United States)
    In the history of cryptography, the ECM Mark II was a cipher machine used by the United States for message encryption from World War II until the 1950s...
    20 KB (2,712 words) - 23:59, 15 September 2024
  • was for use in cryptanalysis of the Lorenz cipher produced by the SZ40 and SZ42 teleprinter rotor stream cipher machines, one of the Germans' Geheimschreiber...
    18 KB (2,263 words) - 06:11, 19 February 2025
  • Thumbnail for C-52 (cipher machine)
    The (Hagelin) C-52 and CX-52 were cipher machines manufactured by Crypto AG starting 1951/1952. These pin-and-lug type cipher machines were advanced successors...
    6 KB (673 words) - 02:26, 9 March 2025
  • Thumbnail for Siemens and Halske T52
    role to the Lorenz cipher machines in the German Army. The British cryptanalysts of Bletchley Park codenamed the German teleprinter ciphers Fish, with...
    7 KB (920 words) - 14:16, 11 May 2025
  • Thumbnail for JADE (cipher machine)
    Cryptography in the United States and Its Theoretical Considerations”, Masataka Kato Machine Cryptography and Modern Cryptanalysis, Cipher A. Deavours, Louis...
    3 KB (279 words) - 17:50, 18 September 2024
  • a cipher can often be broken by paper-and-pencil methods. During World War II, British cryptanalyst John Tiltman accomplished this with the Lorenz cipher...
    7 KB (1,029 words) - 00:34, 14 November 2024
  • • ABA digital signature guidelines • ABC (stream cipher) • Abraham Sinkov • Acoustic cryptanalysis • Adaptive chosen-ciphertext attack • Adaptive chosen...
    67 KB (2,932 words) - 23:20, 16 May 2025
  • Thumbnail for Tommy Flowers
    Tommy Flowers (category Members of the Order of the British Empire)
    the effort to automate part of the cryptanalysis of the Lorenz cipher. This was a high-level German code generated by a teletypewriter in-line cipher...
    25 KB (2,596 words) - 09:56, 14 June 2025
  • Thumbnail for Kryha
    Kryha (section Cryptanalysis)
    1080/0161-118591859988. Marks, Philip (2011). "Operational Use and Cryptanalysis of the Kryha Cipher Machine". Cryptologia. 35 (114–155): 114–155. doi:10.1080/01611194...
    5 KB (433 words) - 10:52, 19 July 2024
  • Harold Keen (category Officers of the Order of the British Empire)
    cryptanalysis of the Enigma and cryptanalysis of the Lorenz cipher Joseph Desch — the research director of the project to design and manufacture the US Navy version...
    7 KB (758 words) - 00:28, 13 July 2024
  • Thumbnail for M-209
    M-209 (redirect from C-38 (cipher machine))
    the Lorenz cipher and the Geheimfernschreiber. Basic operation of the M-209 is relatively straightforward. Six adjustable key wheels on top of the box...
    19 KB (2,670 words) - 19:22, 2 July 2024