Cryptology ePrint Archive: Report 2008/501

Some Observations on SHAMATA

Ewan Fleischmann and Michael Gorski

Abstract: In this note we discuss some observation of the SHA-3 candidate SHAMATA. We observe that its internal block cipher is very weak, which could possibly lead to an attack on the hash function.

Category / Keywords: secret-key cryptography / hash function, SHA-3, SHAMATA

Date: received 27 Nov 2008

Contact author: Ewan (dot) Fleischman, Michael (dot) Gorski (at) uni (minus) weimar (dot) de

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Version: 20081202:020125 (All versions of this report)

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