A tamper-proof and lightweight authentication scheme

  • Authors:
  • Ghaith Hammouri;Erdinç Öztürk;Berk Sunar

  • Affiliations:
  • CRIS Lab, ECE Department, Worcester Polytechnic Institute, Worcester MA, United States;CRIS Lab, ECE Department, Worcester Polytechnic Institute, Worcester MA, United States;CRIS Lab, ECE Department, Worcester Polytechnic Institute, Worcester MA, United States

  • Venue:
  • Pervasive and Mobile Computing
  • Year:
  • 2008

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Abstract

We present a tamper-proof and lightweight challenge-response authentication scheme, based on 2-level noisy Physically Unclonable Functions (PUF). We present a security reduction, which shows the scheme to be secure against passive attacks, provided that it is hard to learn a threshold of halfspaces under the uniform distribution. Furthermore, we provide an extensive analysis of PUFs. In particular, we thoroughly derive a linear model for delay based PUFs, and finally we explore extensions of PUFs to produce efficient and tamper-resilient n-to-n mappings.