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Cryptography 2017, 1(1), 3; doi:10.3390/cryptography1010003

A Privacy-Preserving, Mutual PUF-Based Authentication Protocol

1
Department of Electrical and Computer Engineering, University of New Mexico, Albuquerque, NM 87131, USA
2
Department of Electrical and Computer Engineering, Florida Institute of Technology, Melbourne, FL 32901, USA
*
Authors to whom correspondence should be addressed.
Academic Editor: Wael Adi
Received: 5 October 2016 / Revised: 11 November 2016 / Accepted: 22 November 2016 / Published: 25 November 2016
(This article belongs to the Special Issue Physical Security in a Cryptographic Enviroment)
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Abstract

This paper describes an authentication protocol using a Hardware-Embedded Delay PUF called HELP. HELP derives randomness from within-die path delay variations that occur along the paths within a hardware implementation of a cryptographic primitive, such as AES or SHA-3. The digitized timing values which represent the path delays are stored in a database on a secure server (verifier) as an alternative to storing PUF response bitstrings. This enables the development of an efficient authentication protocol that provides both privacy and mutual authentication. The security properties of the protocol are analyzed using data collected from a set of Xilinx Zynq FPGAs. View Full-Text
Keywords: physical unclonable function; authentication protocol; FPGA implementation physical unclonable function; authentication protocol; FPGA implementation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Che, W.; Martin, M.; Pocklassery, G.; Kajuluri, V.K.; Saqib, F.; Plusquellic, J. A Privacy-Preserving, Mutual PUF-Based Authentication Protocol. Cryptography 2017, 1, 3.

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