On a Linear Cryptanalysis of a Family of Modified DES Ciphers with Even Weight S-Boxes

On a Linear Cryptanalysis of a Family of Modified DES Ciphers with Even Weight S-Boxes

We investigate the effect of inserting extra linearity in the Data Encryption Standard (DES) through appropriate nonsingular linear encodings of the output of the individual S-boxes. More specifically, we examine the general situation when the output of each S-box of the DESis precoded separately in...

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Bibliographic Details
Main Authors: Borissov Yuri, Boyvalenkov Peter, Tsenkov Robert
Format: Article
Language:English
Published: Sciendo 2016-12-01
Series:Cybernetics and Information Technologies
Subjects:
des
s-boxes
parity check
linear cryptanalysis
linear characteristics
Online Access:https://doi.org/10.1515/cait-2016-0063

Internet

https://doi.org/10.1515/cait-2016-0063

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