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An Evaluation of Hash Functions on a Power Analysis Resistant Processor Architecture

Simon Hoerder, Marcin Wojcik, Stefan Tillich, Dan Page, An Evaluation of Hash Functions on a Power Analysis Resistant Processor Architecture. Workshop in Information Security Theory and Practice - WISTP 2011. ISBN 978-3-642-21039-6, pp. 160–174. June 2011. PDF, 301 Kbytes. External information

Abstract

Cryptographic hash functions are an omnipresent component in security-critical software and devices; they support digital signature and data authenticity schemes, mechanisms for key derivation, pseudo-random number generation and so on. A criterion for candidate hash functions in the SHA3 contest is resistance against side-channel analysis which is a major concern especially for mobile devices. This paper explores the implementation of said candidates on a variant of the Power-Trust platform; our results highlight a flexible solution to power analysis attacks, implying only a modest performance overhead.

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