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Erschienen in:
2007 | OriginalPaper | Buchkapitel
Cryptanalysis of Grindahl
verfasst von : Thomas Peyrin
Erschienen in: Advances in Cryptology – ASIACRYPT 2007
Verlag: Springer Berlin Heidelberg
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Due to recent breakthroughs in hash functions cryptanalysis, some new hash schemes have been proposed.
Grindahl
is a novel hash function, designed by Knudsen, Rechberger and Thomsen and published at FSE 2007. It has the particularity that it follows the
Rijndael
design strategy, with an efficiency comparable to
SHA-256
. This paper provides the first cryptanalytic work on this new scheme. We show that the 256-bit version of
Grindahl
is not collision resistant. With a work effort of approximatively 2
112
hash computations, one can generate a collision.