Welcome to the resource topic for 2005/397
Title:
Enhancing the MD-Strengthening and Designing Scalable Families of One-Way Hash Algorithms
Authors: Neil Kauer, Tony Suarez, Yuliang Zheng
Abstract:One-way hash algorithms are an indispensable tool in data
security. Over the last decade or so a number of one-way hash
algorithms have been designed and many of them have been used in
numerous applications. Recent progress in cryptanalytic attacks on
one-way hash algorithms by Wang and co-workers, however,
has brought up the urgency of research into new and more secure
algorithms. The goal of this paper is two-folded. On one hand we
propose a simple technique to affix authentication tags to
messages prior to being hashed by an iterative one-way hash
algorithm with the aim of increasing the overall security of the
algorithm against cryptanalytic attacks. One the other hand we
advocate the importance of a system oriented approach towards the
design and deployment of new families of one-way hash algorithms
that support greater scalability and facilitate migration to newer
member algorithms upon the compromise of deployed ones. We base
our observations on a common sense premise that there is no
specific one-way hash algorithm can remain secure forever and it
will eventually be broken by a cryptanalytic attack faster than
exhaustive research.
ePrint: https://eprint.iacr.org/2005/397
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