Modeling Temperature Behavior in the Helper Data for Secret-Key Binding with SRAM PUFs

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Abstract

We use a statistical model for SRAM PUFs to study achievable performance of secret-key binding schemes in terms of secret-key capacity. We show that capacity increases when the temperature dependent behavior of individual SRAM cells is observed during enrollment. We introduce a temperature helper data scheme that models temperature dependent behavior of the SRAM cells in the helper data without revealing information about the key. We prove that the scheme is secure and achieves secret-key capacity for the given model. We evaluate the key reconstruction error probability for an implementation of the scheme in MATLAB through Monte Carlo simulations.

Original languageEnglish
Title of host publication2020 IEEE Conference on Communications and Network Security, CNS 2020
PublisherInstitute of Electrical and Electronics Engineers
Number of pages6
ISBN (Electronic)978-1-7281-4760-4
DOIs
Publication statusPublished - Jun 2020
Event2020 IEEE Conference on Communications and Network Security, CNS 2020 - Virtual, Online, France
Duration: 29 Jun 20201 Jul 2020

Conference

Conference2020 IEEE Conference on Communications and Network Security, CNS 2020
CountryFrance
CityVirtual, Online
Period29/06/201/07/20

Keywords

  • helper data scheme
  • secret-key capacity

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