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Linear and Differential Cryptanalysis of Russian GOST

โœ Scribed by Vitaly V. Shorin; Vadim V. Jelezniakov; Ernst M. Gabidulin


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
470 KB
Volume
6
Category
Article
ISSN
1571-0653

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โœฆ Synopsis


In this paper the linear cryptanalysis and the di erential cryptanalysis of the Russian GOST encryption algorithm are carried out. It is shown that GOST is secure against the linear cryptanalysis after ve rounds and against the di erential cryptanalysis after seven rounds. The di erential analysis algorithm of the three round GOST is given. Also criteria for selection of the substitution boxes with provable security against linear cryptanalysis are given.


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