Welcome to the resource topic for 2005/152
Title:
On High-Rate Cryptographic Compression Functions
Authors: Richard Ostertag, Martin Stanek
Abstract:The security of iterated hash functions relies on the properties
of underlying compression functions. We study highly efficient
compression functions based on block ciphers. We propose a model
for high-rate compression functions, and give an upper bound
for the rate of any collision resistant compression function
in our model. In addition, we show that natural generalizations
of constructions by Preneel, Govaerts, and Vandewalle to the case
of rate-2 compression functions are not collision resistant.
ePrint: https://eprint.iacr.org/2005/152
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