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dc.creatorPrada Delgado, Miguel Ángeles
dc.creatorBaturone Castillo, María Iluminadaes
dc.date.accessioned2022-04-07T10:07:21Z
dc.date.available2022-04-07T10:07:21Z
dc.date.issued2021
dc.identifier.citationPrada Delgado, M.Á. y Baturone Castillo, M.I. (2021). Behavioral and Physical Unclonable Functions (BPUFs): SRAM Example. IEEE Access, 9, 23751-23763.
dc.identifier.issn2169-3536es
dc.identifier.urihttps://hdl.handle.net/11441/131921
dc.description.abstractPhysical Unclonable Functions (PUFs) have gained a great interest for their capability to identify devices uniquely and to be a lightweight primitive in cryptographic protocols. However, several reported attacks have shown that virtual copies (mathematical clones) as well as physical clones of PUFs are possible, so that they cannot be considered as tamper-resistant or tamper-evident, as claimed. The solution presented in this article is to extend the PUFs reported until now, which are only physical, to make them Behavioral and Physical Unclonable Functions (BPUFs). Given a challenge, BPUFs provide not only a physical but also a behavioral distinctive response caused by manufacturing process variations. Hence, BPUFs are more difficult to attack than PUFs since physical and behavioral responses associated to challenges have to be predicted or cloned. Behavioral responses that are obtained from several measurements of the physical responses taken at several sample times are proposed. In this way, the behavioral responses can detect if the physical responses are manipulated. The analysis done for current PUFs is extended to allow for more versatility in the responses that can be considered in BPUFs. Particularly, Jaccard instead of Hamming distances are proposed to evaluate the similarity of behavioral responses. As example to validate the proposed solution, BPUFs based on Static Random-Access Memories (SRAM BPUFs), with one physical and one behavioral responses to given challenges, were analyzed experimentally using integrated circuits fabricated in a 90-nm CMOS technology. If an attacker succeeds in cloning the physical responses as reported, but does not attack the way to obtain the behavioral responses, the attacker fails on SRAM BPUFs. The highest probability to succeed in cloning the behavioral responses with a brute-force attack was estimated from experimental results as 1.5 · 10−34, considering the influence of changes in the operating conditions (power supply voltage, temperature, and aging).es
dc.description.sponsorshipMinisterio de Ciencia, Innovación y Universidades de España (MICINN), Agencia Estatal de Investigación de España (AEI) y fondos FEDER de la Unión Europea. TEC2017-83557-R y RTC-2017-6595-7es
dc.description.sponsorshipConsejería de Economía, Conocimiento, Empresas y Universidad de la Junta de Andalucía. AT17_5926_USE y US-1265146es
dc.formatapplication/pdfes
dc.format.extent13 p.es
dc.language.isoenges
dc.publisherInstitute of Electrical and Electronics Engineerses
dc.relation.ispartofIEEE Access, 9, 23751-23763.
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectHardware securityes
dc.subjectmultimodal biometricses
dc.subjectphysical unclonable functionses
dc.subjectSRAMes
dc.titleBehavioral and Physical Unclonable Functions (BPUFs): SRAM Examplees
dc.typeinfo:eu-repo/semantics/articlees
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessrightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Electrónica y Electromagnetismoes
dc.relation.projectIDTEC2017-83557-Res
dc.relation.projectIDRTC-2017-6595-7es
dc.relation.projectIDAT17-5926-USEes
dc.relation.projectIDUS-1265146es
dc.relation.publisherversionhttps://dx.doi.org/10.1109/ACCESS.2021.3055493es
dc.identifier.doi10.1109/ACCESS.2021.3055493es
dc.journaltitleIEEE Accesses
dc.publication.volumen9es
dc.publication.initialPage23751es
dc.publication.endPage23763es
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (MICINN). Españaes
dc.contributor.funderEuropean Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER)es
dc.contributor.funderAgencia Estatal de Investigación. Españaes
dc.contributor.funderJunta de Andalucíaes

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Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Except where otherwise noted, this item's license is described as: Attribution-NonCommercial-NoDerivatives 4.0 Internacional