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Title: On area, time, and the right trade-off
Authors: Poschmann, A.
Robshaw, M. J. B.
Keywords: DRNTU::Science::Mathematics::Discrete mathematics::Algorithms
Issue Date: 2012
Source: Poschmann, A., & Robshaw, M. J. B. (2012). On Area, Time, and the Right Trade-Off. Proceedings of the 17th Australasian Conference, ACISP 2012, 7372, pp.404-418.
Abstract: Recently one of the most active fields of cryptography has been the design of lightweight algorithms. Often the explicit goal is to minimise the physical area for an implementation. While reducing area is an important consideration, beyond a certain threshold there is little point minimising area further. Indeed, it can be counter-productive and does not necessarily lead to the most appropriate solution. To provide a clear demonstration of this, we consider two lightweight algorithms that have been proposed for deployment on UHF RFID tags and which appear in a forthcoming ISO standard. Our results show that by choosing an implementation strategy that reduces but not necessarily minimises the area, very significant savings in time and substantial reductions to other physical demands on tag performance can be delivered. In particular, given the crucial importance of transaction time in the deployment of most contactless applications, our work illustrates that the most suitable practical implementation does not always conform to expectations.
Rights: © 2012 Springer-Verlag Berlin Heidelberg. This is the author created version of a work that has been peer reviewed and accepted for publication by Proceedings of the 17th Australasian Conference, ACISP 2012, Springer-Verlag Berlin Heidelberg. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
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