A List of Publications by Frode Weierud

Journal Articles, Proceedings and Books

  1. Weierud, Frode; Machine Secrets: A Book Review,
    Cryptologia, Volume 10, Issue 1, January 1986, pp. 34‐37
  2. Erskine, Ralph and Weierud, Frode;
    Naval Enigma: M4 and Its Rotors,
    Cryptologia, Volume 11, Issue 4, October 1987, pp. 235‐244
  3. Weierud, Frode;
    The Secrets in The Park: A Book Review,
    NCVA Cryptolog, Corvallis, Oregon; Vol. 15, No. 1, January 1994, p.2, p.18
  4. Weierud, Frode;
    Codebreakers: The Inside Story of Bletchley Park - A Book Review,
    IEEE Annals of the History of Computing. Vol. 16, No. 1, 1994, pp. 78‐79
  5. Weierud, Frode;
    Sweden, Cryptographic Superpower. A Book Review,
    Cryptologia, Volume 22, Issue 1, January 1998, pp. 25‐28
    Author’s Copy
  6. Hamer, David H., Sullivan, Geoff and Weierud, Frode;
    Enigma Variations: An Extended Family of Machines,
    Cryptologia, Volume 22, Issue 3, July 1998, pp. 211‐229
    Author’s Copy (Updated version of our Cryptologia article)
  7. Weierud, Frode;
    TIRPITZ and the Japanese-German Naval War Communication Agreement,
    NCVA Cryptolog, Corvallis, Oregon; Vol. 20, No.3, Summer 1999, p.6, p.10
    Author’s Copy
  8. Sullivan, Geoff and Weierud, Frode;
    The Swiss NEMA Cipher Machine,
    Cryptologia, Volume 23, Issue 4, October 1999, pp. 310‐328
    Author’s Copy
  9. Ulfving, Lars and Weierud, Frode;
    The Geheimschreiber Secret,
    Proceedings on Coding Theory and Cryptography,
    Springer Verlag, 2000, ISBN: 3-540-66336-3
  10. Weierud, Frode;
    Sturgeon, The FISH BP Never Really Caught,
    Proceedings on Coding Theory and Cryptography,
    Springer Verlag, 2000, ISBN: 3-540-66336-3
  11. Marks, Philip and Weierud, Frode;
    Recovering the Wiring of Enigma's Umkehrwalze A,
    Cryptologia, Volume 24, Issue 1, January 2000, pp. 55‐66
    Author’s Copy
  12. Erskine, Ralph, Marks, Philip, and Weierud, Frode;
    Letter to the Editor: "Review of US Bombes",
    IEEE Annals of the History of Computing, Vol. 24, No. 3, July / September 2002, pp. 85‐87.
    The full version of this letter is available on the Annals Web page.
  13. Freeman, Wes., Geoff Sullivan, and Frode Weierud;
    PURPLE Revealed: Simulation and Computer-Aided Cryptanalysis of Angooki Taipu B
    Cryptologia, Volume 27, Issue 1, January 2003, pp. 1‐43
    Author’s Copy
  14. Erskine Ralph, Marks, Philip and Weierud, Frode;
    Bombe and Spider, Chapter 6 from Alan Turing’s ‘Treatise on Enigma’,
    in Essential Turing, B. Jack Copeland (ed.), Oxford University Press, 2004,
    ISBN: 0-19-825079-7
  15. Sullivan, Geoff and Weierud, Frode;
    Breaking German Army Ciphers,
    Cryptologia, Volume 29, Issue 3, July 2005, pp. 193‐232
    Direct access to our Cryptologia article — Breaking German Army Ciphers
  16. Weierud, Frode;
    Bletchley Park's Sturgeon, The FISH That Laid No Eggs
    The Rutherford Journal, Volume 1, December 2005
    PDF Version
  17. Weierud, Frode;
    BP’s Sturgeon, The FISH That Laid No Eggs,
    in Colossus: The Secrets of Bletchley Park's code-breaking computers, B. Jack Copeland (ed.),
    Oxford University Press, 2006, ISBN: 0-19-284055-X
  18. Soler Fuenanta, José Ramón, López-Brea Espiau, Francisco Javier, and Weierud, Frode;
    Spanish Enigma: A History of the Enigma in Spain,
    Cryptologia, Volume 34, Issue 4, October 2010, pp. 301‐328
    Author’s Copy  –  Complementary Article Information
  19. Weierud, Frode;
    Prof's Book: Seen in the Light of Cryptologic History,
    in Alan Turing - His Work and Impact, Editors: S Barry Cooper and Jan van Leeuwen,
    Elsevier, 2012, ISBN 13: 978-0-12-386980-7
  20. Ostwald, Olaf and Weierud, Frode;
    History and Modern Cryptanalysis of Enigma's Pluggable Reflector,
    Cryptologia, Volume 40, Issue 1, January 2016, pp. 70‐91
    Author’s Copy
  21. Ostwald, Olaf and Weierud, Frode;
    Modern breaking of Enigma ciphertexts,
    Cryptologia, Volume 41, Issue 5, pp. 395‐421 (E-print: 31 January 2017)
    Author’s Copy  –  Complementary Article Information
  22. Weierud, Frode and Zabell, Sandy;
    German mathematicians and cryptology in WWII,
    Cryptologia, Volume 44, Issue 2, pp. 97‐171 (E-print: 06 June 2019)
    Author’s Copy
  23. Kenyon, David and Weierud, Frode;
    Enigma G: The counter Enigma,
    Cryptologia, Volume 44, Issue 5, pp. 385‐420 (E-print: 03 October 2019)
    Author’s Copy
  24. Bean, Richard W., Lasry, George and Weierud, Frode;
    Eavesdropping on the Biafra-Lisbon link ‐ breaking historical ciphers from the Biafran war,
    Cryptologia, Volume 46, Issue 1, pp. 1‐66 (E-print: 12 June 2020)
    Author’s Copy
  25. Weierud, Frode;
    In memoriam: Thomas Ralph Erskine CB (1933 – 2021),
    Cryptologia, Volume 45, Issue 4, pp. 289‐308 (E-print: 06 July 2021)
    Author’s Copy
  26. Ostwald, Olaf and Weierud, Frode;
    Modern cryptanalysis of the Truppenschlüssel,
    Cryptologia, Volume 47, Issue 3, pp. 261‐281 (E-print: 20 January 2022)
    Author’s Copy

Internet Publications

  1. Ulfving, Lars;
    The Geheimschreiber Secret, Arne Beurling and the success of Swedish signals intelligence,
    (PostScript version) Translated from the Swedish by Frode Weierud.
  2. Weierud, Frode, ed.;
    The Alexander Papers,
    Seven of Hugh Alexander's cryptanalytical papers from his time at Bletchley Park.
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