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Complementing Feistel Ciphers
Biryukov, Alex; Nikolic, Ivica
2013In Fast Software Encryption, 20th International Workshop, Lecture Notes in Computer Science
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Keywords :
block ciphers; cryptanalysis
Abstract :
[en] In this paper, we propose related-key differential distinguishers based on the complementation property of Feistel ciphers. We show that with relaxed requirements on the complementation, i.e. the property does not have to hold for all keys and the complementation does not have to be on all bits, one can obtain a variety of distinguishers. We formulate criteria sufficient for attacks based on the complementation property. To stress the importance of our findings we provide analysis of the full-round primitives: Camelia-128 and GOST.
Research center :
Security and Trust (SnT)
Disciplines :
Computer science
Author, co-author :
Biryukov, Alex ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC) ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Nikolic, Ivica
Language :
English
Title :
Complementing Feistel Ciphers
Publication date :
2013
Event name :
Fast Software Encryption
Event place :
Singapore
Event date :
11-03-2013
Audience :
International
Main work title :
Fast Software Encryption, 20th International Workshop, Lecture Notes in Computer Science
Publisher :
Springer International Publishing
ISBN/EAN :
978-3-662-43932-6
Pages :
3-8
Peer reviewed :
Peer reviewed
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since 05 November 2014

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