Quasigroup Representation of Some Feistel and Generalized Feistel Ciphers

Mileva, Aleksandra and Markovski, Smile (2013) Quasigroup Representation of Some Feistel and Generalized Feistel Ciphers. In: ICT Innovations 2012: Secure and Intelligent Systems. Advances in Intelligent Systems and Computing, 207 . Springer Berlin Heidelberg, pp. 161-171. ISBN 978-3-642-37168-4

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Official URL: http://link.springer.com/chapter/10.1007%2F978-3-6...

Abstract

There are several block ciphers designed by using Feistel networks or their generalization, and some of them allow to be represented by using quasigroup transformations, for suitably defined quasigroups. We are interested in those Feistel ciphers and Generalized Feistel ciphers whose round functions in their Feistel networks are bijections. In that case we can define the wanted quasigroups by using suitable orthomorphisms, derived from the corresponding Feistel networks. Quasigroup representations of the block ciphers MISTY1, Camellia, Four-Cell+ and SMS4 are given as examples.

Item Type: Book Section
Subjects: Natural sciences > Computer and information sciences
Divisions: Faculty of Computer Science
Depositing User: Aleksandra Mileva
Date Deposited: 12 Nov 2012 06:04
Last Modified: 09 Apr 2013 08:26
URI: http://eprints.ugd.edu.mk/id/eprint/707

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