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Electronics engineer, CERN

Frode Weierud is a retired electronics engineer formerly employed by the European Organization for Particle Physics (CERN) in Geneva, Switzerland. Presently engaged as an independent researcher at Crypto Cellar Research, Oslo, Norway

Experience

  • –present
    Software engineer, Crypto Cellar Research
  • 1972–2012
    Electronics engineer, CERN

Education

  • 1970 
    Høgskolen i Oslo (HiO), Batchelor of Science (BSc)

Publications

  • 2020
    Eavesdropping on the Biafra-Lisbon link – breaking historical ciphers from the Biafran war, Cryptologia Online
  • 2020
    German mathematicians and cryptology in WWII, Cryptologia, Vol. 44, No. 2
  • 2019
    Enigma G: The counter Enigma, Cryptologia Online
  • 2017
    Modern breaking of Enigma ciphertexts, Cryptologia, Vol. 41, No. 5
  • 2016
    History and Modern Cryptanalysis of Enigma's Pluggable Reflector, Cryptologia, Vol. 40, No. 1
  • 2012
    "Prof's Book: Seen in the Light of Cryptologic History" in Alan Turing – His Work and Impact, Elsevier
  • 2010
    Spanish Enigma: A History of the Enigma in Spain, Cryptologia, Vol. 34, No. 4
  • 2006
    "BP’s Sturgeon, The FISH That Laid No Eggs" in Colossus: The Secrets of Bletchley Park's Code-breaking Computers, Oxford University Press
  • 2005
    Bletchley Park's Sturgeon, The FISH That Laid No Eggs, The Rutherford Journal, Vol. 1
  • 2005
    Breaking German Army Ciphers, Cryptologia, Vol. 29, No. 3
  • 2004
    "Bombe and Spider, Chapter 6 from Alan Turing’s ‘Treatise on Enigma’", in Essential Turing, Oxford University Press
  • 2003
    PURPLE Revealed: Simulation and Computer-Aided Cryptanalysis of Angooki Taipu B, Cryptologia, Vol. 27, No. 1
  • 2002
    Letter to the Editor: "Review of US Bombes", IEEE Annals of the History of Computing, Vol. 24, No. 3
  • 2000
    Recovering the Wiring of Enigma's Umkehrwalze A, Cryptologia, Vol. 24, No. 1
  • 2000
    "Sturgeon, The FISH BP Never Really Caught" in the Proceedings on Coding Theory and Cryptography, Springer Verlag
  • 2000
    "The Geheimschreiber Secret" in the Proceedings on Coding Theory and Cryptography, Springer Verlag
  • 1999
    The Swiss NEMA Cipher Machine, Cryptologia, Vol. 23, No. 4
  • 1999
    TIRPITZ and the Japanese-German Naval War Communication Agreement, NCVA Cryptolog, Vol. 20, No. 3
  • 1998
    Enigma Variations: An Extended Family of Machines, Cryptologia, Vol. 22, No. 3
  • 1998
    Sweden, Cryptographic Superpower – A Book Review, Cryptologia, Vol. 22, No. 1
  • 1994
    Codebreakers: The Inside Story of Bletchley Park – A Book Review, IEEE Annals of the History of Computing, Vol. 16, No. 1
  • 1987
    Naval Enigma: M4 and Its Rotors, Cryptologia, Vol. 11, No. 4
  • 1986
    Machine Secrets: A Book Review, Cryptologia, Vol.10, No.1

Professional Memberships

  • IEEE, 1981 – present, Life Member
  • Bletchley Park Historical Advisory Group, Feb 2017 – present, Member