States by secrecy: Cryptography and guerrillas in the Spanish Civil War

The Spanish Civil War revitalized a type of unconventional struggle that had already been seen for centuries in different conflicts in the Iberian Peninsula: guerrilla warfare. According to the new times, this kind of struggle was conditioned by a need for coordination and maintenance of the secrecy...

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Bibliographic Details
Published in:Cryptologia 2016-03, Vol.40 (2), p.203-214
Main Authors: Soler Fuensanta, José Ramón, Portas, Vicente Guasch
Format: Article
Language:English
Subjects:
Civil war
Conditioning
Conflict
Cryptography
Encryption
Guerrilla forces
Maintenance
Peninsulas
Playfair
Regeneration
Spain
Spanish Civil War
Spanish republican guerrillas ciphers
Warfare
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Summary:The Spanish Civil War revitalized a type of unconventional struggle that had already been seen for centuries in different conflicts in the Iberian Peninsula: guerrilla warfare. According to the new times, this kind of struggle was conditioned by a need for coordination and maintenance of the secrecy of operations performed. The systems used by the guerrillas to protect their communications have not been studied in detail. This is a brief study of the cipher methods used by the republican guerrillas, the most important and numerous in this fight, in the Spanish Civil War.
ISSN:0161-1194
1558-1586
DOI:10.1080/01611194.2015.1028687