Welcome to the resource topic for 2005/082
Title:
Some properties of an FSE 2005 Hash Proposal
Authors: Lars R. Knudsen
Abstract:We consider the hash function proposals by Mridul et al.\ presented
at FSE 2005. For the proposed 2n-bit compression functions it is
proved that collision attacks require \Omega(2^{2n/3}) queries of
the functions in question. In this note it is shown that with {\cal
O}(2^{n/3}) queries one can distinguish the proposed compression
functions from a randomly chosen 2n-bit function with very good
probability. Finally we note that our results do not seem to
contradict any statements made the designers of the compression functions.
ePrint: https://eprint.iacr.org/2005/082
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