Article | Proceedings of the 1st International Conference on Historical Cryptology HistoCrypt 2018 | The First Classical Enigmas. Swedish Views on Enigma Development 1924-1930 Linköping University Electronic Press Conference Proceedings
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Title:
The First Classical Enigmas. Swedish Views on Enigma Development 1924-1930
Author:
Anders Wik: S Catalinagr 9, S-18368 Täby, Sweden
Download:
Full text (pdf)
Year:
2018
Conference:
Proceedings of the 1st International Conference on Historical Cryptology HistoCrypt 2018
Issue:
149
Article no.:
016
Pages:
83-88
No. of pages:
6
Publication type:
Abstract and Fulltext
Published:
2018-06-13
ISBN:
978-91-7685-252-1
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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This paper concerns the very first “classical” Enigma from 1924, with rotors, reflector and lamp display. A description is given of the Enigma machines bought by the Swedish General Staff in early 1925, of the competition regarding the first standard crypto machine for the Swedish armed forces, and of some later developments.

Proceedings of the 1st International Conference on Historical Cryptology HistoCrypt 2018

Author:
Anders Wik
Title:
The First Classical Enigmas. Swedish Views on Enigma Development 1924-1930
References:

Bernstein, Carl. 1924. German patent DE 407 804. http://www.cryptomuseum.com/crypto/enigma/patents/files/DE407804.pdf

Damm, Arvid Gerhard. 1919. Swedish patent SE52 279. Filed Oct 10, 1919. US patent 1 502 376, July 22, 1924.

Damm, Arvid Gerhard. 1927. Preliminärt utlåtande angående “Glühlampen-Chiffriermaschine Enigma”. Krigsarkivet, Stockholm. Boris Hagelins privatarkiv, vol F II:3.

ENIGMA Chiffriermaschinen. 1924. Handelsmaschine. FRA Crypto collections.
Booklet.

Faurholt, Niels O. 2006. Alexis Køhl: A Danish Inventor of Cryptosystems. Cryptologia vol 30.

FRA archive. 1924-1930. Bearbetningsbyrån F V:1. “Chifferapparaten Enigma”.

FRA archive. 1927. Bearbetningsbyrån F V:1. Instruktion för användning av Chifferapparat Enigma B /Chiffer EZ/.

Grahn, Jan-Olof. 2017. Om svensk signalspaning - Pionjärerna (“On Swedish SIGINT – The pioneers”). Medströms bokförlag, Stockholm.

Hamer, David. 1997. Enigma: Actions involved in the ‘double stepping’ of the middle rotor. Cryptologia vol 21.

McKay and Beckman. 2003. Swedish signal intelligence 1900-1945. Frank Cass, London.

Weierud, Frode. 2014. Personal communication.

Wik, Anders. 2016. Enigma Z30 retrieved. Cryptologia vol 40.

Proceedings of the 1st International Conference on Historical Cryptology HistoCrypt 2018

Author:
Anders Wik
Title:
The First Classical Enigmas. Swedish Views on Enigma Development 1924-1930
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Last updated: 2019-11-06