Cryptanalysis Of Vortex

Jean-Philippe Aumasson,Orr Dunkelman,Florian Mendel,Christian Rechberger,Soren S. Thomsen

AFRICACRYPT '09: Proceedings of the 2nd International Conference on Cryptology in Africa: Progress in Cryptology（2009）

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摘要

Vortex is a hash function that was first presented at ISC'2008, then submitted to the NIST SHA-3 competition after some modifications. This paper describes several attacks on both versions of Vortex, including collisions, second preimages, preimages, and distinguishers. Our attacks exploit flaws both in the high-level design and in the lower-level algorithms.

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关键词

Hash Function, Block Cipher, Compression Function, Message Block, Collision Attack

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