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Asynchronous Physical Unclonable Functions – AsyncPUF

  • Conference paper
Multimedia Communications, Services and Security (MCSS 2012)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 287))

Abstract

Physically Unclonable Functions (PUFs) exploit the physical characteristics of silicon and provide an alternative to storing digital encryption keys in non-volatile memory. A PUF maps a unique set of digital inputs to a corresponding set of digital outputs. In this paper, the use of asynchronous logic and design techniques to implement PUFs is advocated for Asynchronous Physically Unclonable Functions (APUFs). A new method of using asynchronous rings to implement PUFs is described called AsyncPUF which features inherent field programmability. It is both a novel and holistic PUF design compared to the existing state-of-the-art as it naturally addresses the two challenges facing PUFs to-date that prevent wide-spread adoption: robustness and entropy. Results of electrical simulation in a 90 nano-metre lithography process are presented and discussed.

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Author information

Authors and Affiliations

  1. Centre for Secure Information Technologies, Queens University Belfast, Belfast, BT3 9DT, United Kingdom

    Julian Murphy

Authors
  1. Julian Murphy
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Editor information

Editors and Affiliations

  1. Department of Telecommunications, AGH University of Science and Technology, Krakow, Poland

    Andrzej Dziech

  2. Multimedia Systems Department, Gdansk University of Technology, Narutowicza 11/22, 80-233, Gdansk, Poland

    Andrzej Czyżewski

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Murphy, J. (2012). Asynchronous Physical Unclonable Functions – AsyncPUF. In: Dziech, A., Czyżewski, A. (eds) Multimedia Communications, Services and Security. MCSS 2012. Communications in Computer and Information Science, vol 287. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30721-8_23

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  • DOI: https://doi.org/10.1007/978-3-642-30721-8_23

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-30720-1

  • Online ISBN: 978-3-642-30721-8

  • eBook Packages: Computer ScienceComputer Science (R0)

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