Dilly Knox—A Reminiscence of this Pioneer Enigma Cryptanalyst

descriptionPublicationkeyboard_double_arrow_right Article 17 Apr 2008 English Publisher:Informa UK LimitedJournal:Cryptologia, volume 32, pages 104-130 (issn: 0161-1194, eissn: 1558-1586,

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Authors: Mavis Batey;

doi: 10.1080/01611190801914290

Dilly Knox—A Reminiscence of this Pioneer Enigma Cryptanalyst

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Abstract

This article describes the importance of the Knox contribution to the breaking of the plugboard German Enigma through his early work on the commercial machine; as well as his invention of “rodding” and exploitation of the Saga method of “boxing.” It also covers the multi-turnover Abwehr machine through observation of the phenomenon of 'crabs and lobsters' in message indicators.

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