Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/94318
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Type: Journal article
Title: Memristive crypto primitive for building highly secure physical unclonable functions
Author: Gao, Y.
Ranasinghe, D.
Al-Sarawi, S.
Kavehei, O.
Abbott, D.
Citation: Scientific Reports, 2015; 5(1):12785-1-12785-14
Publisher: Nature
Issue Date: 2015
ISSN: 2045-2322
2045-2322
Statement of
Responsibility: 
Yansong Gao, Damith C. Ranasinghe, Said F. Al-Sarawi, Omid Kavehei, Derek Abbott
Abstract: Physical unclonable functions (PUFs) exploit the intrinsic complexity and irreproducibility of physical systems to generate secret information. The advantage is that PUFs have the potential to provide fundamentally higher security than traditional cryptographic methods by preventing the cloning of devices and the extraction of secret keys. Most PUF designs focus on exploiting process variations in Complementary Metal Oxide Semiconductor (CMOS) technology. In recent years, progress in nanoelectronic devices such as memristors has demonstrated the prevalence of process variations in scaling electronics down to the nano region. In this paper, we exploit the extremely large information density available in nanocrossbar architectures and the significant resistance variations of memristors to develop an on-chip memristive device based strong PUF (mrSPUF). Our novel architecture demonstrates desirable characteristics of PUFs, including uniqueness, reliability, and large number of challenge-response pairs (CRPs) and desirable characteristics of strong PUFs. More significantly, in contrast to most existing PUFs, our PUF can act as a reconfigurable PUF (rPUF) without additional hardware and is of benefit to applications needing revocation or update of secure key information.
Keywords: Computer science; Electrical and electronic engineering; electronic devices
Rights: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
RMID: 0030032830
DOI: 10.1038/srep12785
Grant ID: http://purl.org/au-research/grants/arc/DP140103448
Appears in Collections:Electrical and Electronic Engineering publications

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