Behavior of temperature dependent SRAM-PUFs, and consequences for secret-key capacity

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Abstract

Physical Unclonable Functions (PUFs) are a resource for generating and sharing secret keys.
The mutual information between two respective observations of the same PUF gives an upper bound for the achievable secret-key rate of a secret-sharing scheme that relies on this PUF.
This mutual information can be increased by including side information about the source.
We show for a given statistical model of the SRAM-PUFs, how side information can be estimated from multiple observations of an SRAM cell. Finally, we calculate the achievable increased secret-key rate given the estimated side information.
Original languageEnglish
Title of host publicationProceedings of the 2017 Symposium on Information Theory and Signal Processing in the Benelux, 11-12 May 2017, Delft, The Netherlands
Place of PublicationDelft
PublisherTechnische Universiteit Delft
Pages125-132
Publication statusPublished - 2017
Event2017 Symposium on Information Theory and Signal Processing in the Benelux (SITB 2017) - Delft University of Technology, Delft, Netherlands
Duration: 11 May 201712 May 2017
http://cas.tudelft.nl/sitb2017/

Conference

Conference2017 Symposium on Information Theory and Signal Processing in the Benelux (SITB 2017)
Abbreviated titleSITB 2017
Country/TerritoryNetherlands
CityDelft
Period11/05/1712/05/17
Internet address

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