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Differential and linear cryptanalysis for 2-round SPNs

โœ Scribed by Kilsoo Chun; Seungjoo Kim; Sangjin Lee; Soo Hak Sung; Seonhee Yoon

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
99 KB
Volume
87
Category
Article
ISSN
0020-0190

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โœฆ Synopsis

In this paper, we examine the security of block ciphers referred to as substitution-permutation networks (SPNs). When the SPN has 2-round, we obtain an upper bound on the maximum differential probability. We also obtain an upper bound on the maximum linear hull probability. Our results extend and sharpen the known results for the 2-round SPNs.

๐Ÿ“œ SIMILAR VOLUMES

Linear and Differential Cryptanalysis of
Linear and Differential Cryptanalysis of Russian GOST
โœ Vitaly V. Shorin; Vadim V. Jelezniakov; Ernst M. Gabidulin ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 470 KB

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 a