Multidimensional Linear Cryptanalysis of Feistel Ciphers

Multidimensional Linear Cryptanalysis of Feistel Ciphers

This paper presents new generic attacks on Feistel ciphers that incorporate the key addition at the input of the non-invertible round function only. This feature leads to a specific vulnerability that can be exploited using multidimensional linear cryptanalysis. More specifically, our approach invo...

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Bibliographic Details
Main Authors: Betül Aşkın Özdemir, Tim Beyne, Vincent Rijmen
Format: Article
Language:English
Published: Ruhr-Universität Bochum 2023-12-01
Series:IACR Transactions on Symmetric Cryptology
Subjects:
Multidimensional linear cryptanalysis
Likelihood-ratio test
Generic attack
Feistel ciphers
CAST-128
LOKI91
Online Access:https://tosc.iacr.org/index.php/ToSC/article/view/11277

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