A RING OSCILLATOR BASED PUF IMPLEMENTATION ON FPGA

Year 2013, Volume: 13 Issue: 2, 1647 - 1652, 25.12.2013

Giray Kömürcü , Ali Pusane Günhan Dündar

Abstract

Physical Unclonable Functions (PUFs) are  circuit primitives that generate chip specific and unique outputs, depending on the uncontrollable variations present in the manufacturing process. These cheap and highly efficient structures have a wide range of application areas, including authentication, key generation, and IP protection. Uniqueness, robustness and unpredictability are other important aspects of PUF circuits beside unclonability. In this work, we first review basic PUF  circuit  types, including Optical PUFs,  Arbiter PUFs,  Ring Oscillator  (RO) PUFs  and,  SRAM PUFs.  Then, two FPGA implementations of RO-PUFs are presented with their uniqueness and robustness analyses. Finally, new concepts in RO-PUF literature and their limits and performance expectations are discussed.

Keywords

PUF, Physical Unclonable Functions, Uniqueness, Ring Oscillator, FPGA.

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• Networks. During the period August 1994 - November 1995, he was with the Turkish Navy and taught courses on Electronics, Electronics Lab, and Signals and Systems at the Turkish Naval Academy. He was with EPFL, Switzerland between September 2002 and June 2003, and with Technical University of Munich in the Spring of 2010, on sabbatical leave from Bogazici University. He has been holding the professor title since March 2002. He has received several awards, including the nationwide research encouragement award from TUBITAK. He is the author/co-author of more than 100 technical papers in international journals and conferences. Research interests: Analog IC design and electronic design automation.
• G. Komurcu received his BS degree from Sabanci University, Istanbul, Turkey in 2005 on
• Micro- electronics and his MS degree from Bogazici University, Istanbul, Turkey in 2008 on Electri- cal Engineering. His PhD is still continuing at Bogazici University. He is currently working at TUBITAK since 2005 as a chief design engineer on VLSI design. His research interests include digital design and mixed-signal design.
• A. E. Pusane received the B.Sc. and M.Sc. degrees in electronics and communications engineering from Istanbul Technical University, Istanbul, Turkey, in 1999 and 2002, respectively, and the M.Sc. degree in electrical engineering, the M.Sc. degree in applied mathematics, and the Ph.D. degree in electrical engineering from the University of Notre Dame, Notre Dame, IN, in 2004, 2006, and 2008, respectively. He was a
• Visiting Assistant Professor at the Department of Electrical Engineering, University of Notre Dame, during 2008-2009, after which he joined the Department of Electrical and Electronics Engineering, Bogazici University, Istanbul, Turkey, as an
• Assistant Professor. His research is in coding theory.