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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Efficient Vector Implementations of AES-Based Designs: A Case Study and New Implemenations for Grøstl
verfasst von : Severin Holzer-Graf, Thomas Krinninger, Martin Pernull, Martin Schläffer, Peter Schwabe, David Seywald, Wolfgang Wieser
Erschienen in: Topics in Cryptology – CT-RSA 2013
Verlag: Springer Berlin Heidelberg
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In this paper we evaluate and improve different vector implementation techniques of AES-based designs. We analyze how well the T-table, bitsliced and bytesliced implementation techniques apply to the SHA-3 finalist
Grøstl
. We present a number of new
Grøstl
implementations that improve upon many previous results. For example, our fastest ARM NEON implementation of
Grøstl
is 40% faster than the previously fastest ARM implementation. We present the first Intel AVX2 implementations of
Grøstl
, which require 40% less instructions than previous implementations. Furthermore, we present ARM Cortex-M0 implementations of
Grøstl
that improve the speed by 55% or the memory requirements by 15%.