General Diffusion Analysis: How to Find Optimal Permutations for Generalized Type-II Feistel Schemes

General Diffusion Analysis: How to Find Optimal Permutations for Generalized Type-II Feistel Schemes

Type-II Generalized Feistel Schemes are one of the most popular versions of Generalized Feistel Schemes. Their round function consists in applying a classical Feistel transformation to p sub-blocks of two consecutive words and then shifting the k = 2p words cyclically. The low implementation costs...

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Bibliographic Details
Main Authors: Victor Cauchois, Clément Gomez, Gaël Thomas
Format: Article
Language:English
Published: Ruhr-Universität Bochum 2019-03-01
Series:IACR Transactions on Symmetric Cryptology
Subjects:
Feistel
Diffusion
Permutations
Online Access:https://tosc.iacr.org/index.php/ToSC/article/view/7404

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