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Secure and Energy Efficient Physical Unclonable Functions

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dc.contributor.advisorWayne P. Burleson
dc.contributor.authorSrivathsa, Sudheendra
dc.contributor.departmentUniversity of Massachusetts Amherst
dc.contributor.departmentElectrical & Computer Engineering
dc.date2023-09-23T04:56:17.000
dc.date.accessioned2024-04-26T21:15:56Z
dc.date.available2011-12-13T00:00:00Z
dc.date.issued2012-01-01
dc.date.submittedFebruary
dc.description.abstractPhysical Unclonable Functions are a unique class of circuits that leverage the inherentvariations in manufacturing process to create unique,unclonableIDs and secret keys.The distinguishing feature of PUFs is that even an untrusted foundry cannot create a copy of the circuit as it is impossible to control the manufacturing process variations.PUFs can operate reliably in presence of voltage and temperature variations. In thisthesis, weexplorethe security offered by PUFs and tradeoffs between different metrics such as uniqueness, reliability and energy consumption.Benefits of sub-threshold PUF operation and the use of delay based Arbiter PUFs and ring oscillator PUFs in low power applications is evaluated. As we scale into lower technology nodes, there exists sufficient inter chip variation that enables each IC to be identified securely.The impact of scaling on the identification capabilities of a PUF and its reliability has been demonstrated in this work by analyzing the behavior of an Arbiter PUF in 45nm, 32nm and 22nm technology nodes. Further,the Arbiter PUF design has been implemented on a test-chip and fabricated using 45nm industry models andresults from post silicon validation are presented. Finally, we investigate a new class of PUF circuits in this work, that provide better security against machine learning based software modeling attacks. The strong identification capabilities and sufficiently high reliability offered by these PUF circuits make them promising candidates for future applications requiring securehardware cryptographic primitives.
dc.description.degreeMaster of Science in Electrical and Computer Engineering (M.S.E.C.E.)
dc.identifier.doihttps://doi.org/10.7275/2402655
dc.identifier.urihttps://hdl.handle.net/20.500.14394/47676
dc.relation.urlhttps://scholarworks.umass.edu/cgi/viewcontent.cgi?article=1867&context=theses&unstamped=1
dc.source.statuspublished
dc.subjectPUFs
dc.subjectSecurity
dc.subjectPhysical Unclonable Functions
dc.subjectArbiter
dc.subjectElectrical and Computer Engineering
dc.subjectVLSI and Circuits, Embedded and Hardware Systems
dc.titleSecure and Energy Efficient Physical Unclonable Functions
dc.typeopen
dc.typearticle
dc.typethesis
digcom.contributor.authorisAuthorOfPublication|email:ssrivath@engin.umass.edu|institution:University of Massachusetts Amherst|Srivathsa, Sudheendra
digcom.date.embargo2011-12-13T00:00:00-08:00
digcom.identifiertheses/758
digcom.identifier.contextkey2402655
digcom.identifier.submissionpaththeses/758
dspace.entity.typePublication
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