Reference : Complementing Feistel Ciphers
Scientific congresses, symposiums and conference proceedings : Paper published in a book
Engineering, computing & technology : Computer science
Complementing Feistel Ciphers
Biryukov, Alex mailto [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 []
Fast Software Encryption, 20th International Workshop, Lecture Notes in Computer Science
Springer International Publishing
Fast Software Encryption
[en] block ciphers ; cryptanalysis
[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.
Security and Trust (SnT)
Researchers ; Professionals

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