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2014 | OriginalPaper | Chapter

Numerical Semigroups and Bounds on Impossible Differential Attacks on Generalized Feistel Schemes

Authors: Marina Pudovkina, Alexander Toktarev

Published in: Cryptography and Security Systems

Publisher: Springer Berlin Heidelberg

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In this paper, we investigate a class of ciphers which can be described as a generalized Feistel scheme. Using the graph theory and the number theory, we provide upper and lower bounds for the maximum number of rounds when impossible differential technique is applicable for any cipher from the family. These estimations do not depend on the type of Feistel scheme and the number of non-linear functions.

Metadata
Title
Numerical Semigroups and Bounds on Impossible Differential Attacks on Generalized Feistel Schemes
Authors
Marina Pudovkina
Alexander Toktarev
Copyright Year
2014
Publisher
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-662-44893-9_1

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