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Design and Implementation of Secret Key Agreement for Platoon-based Vehicular Cyber-physical Systems

2019Journal article Restricted access
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dc.contributor.authorLi, Kai
dc.contributor.authorNi, Wei
dc.contributor.authorEmami, Yousef
dc.contributor.authorShen, Yiran
dc.contributor.authorSeverino, Ricardo
dc.contributor.authorPereira, David
dc.contributor.authorTovar, Eduardo
dc.date.accessioned2020-01-16T11:46:33Z
dc.date.embargo2120
dc.date.issued2019
dc.description.abstractIn a platoon-based vehicular cyber-physical system (PVCPS), a lead vehicle that is responsible for managing the platoon’s moving directions and velocity periodically disseminates control messages to the vehicles that follow. Securing wireless transmissions of the messages between the vehicles is critical for privacy and confidentiality of the platoon’s driving pattern. However, due to the broadcast nature of radio channels, the transmissions are vulnerable to eavesdropping. In this article, we propose a cooperative secret key agreement (CoopKey) scheme for encrypting/decrypting the control messages, where the vehicles in PVCPS generate a unified secret key based on the quantized fading channel randomness. Channel quantization intervals are optimized by dynamic programming to minimize the mismatch of keys. A platooning testbed is built with autonomous robotic vehicles, where a TelosB wireless node is used for onboard data processing and multihop dissemination. Extensive real-world experiments demonstrate that CoopKey achieves significantly low secret bit mismatch rate in a variety of settings. Moreover, the standard NIST test suite is employed to verify randomness of the generated keys, where the p-values of our CoopKey pass all the randomness tests. We also evaluate CoopKey with an extended platoon size via simulations to investigate the effect of system scalability on performance.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1145/3365996pt_PT
dc.identifier.issn2378-962X
dc.identifier.urihttp://hdl.handle.net/10400.22/15280
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherAssociation for Computing Machinerypt_PT
dc.relationSafe Cooperating Cyber-Physical Systems using Wireless Communication
dc.relation.publisherversionhttps://dl.acm.org/doi/10.1145/3365996pt_PT
dc.subjectSecurity and privacypt_PT
dc.subjectMobile and wireless securitypt_PT
dc.subjectComputer systems organizationpt_PT
dc.subjectEmbedded and cyber-physical systemspt_PT
dc.titleDesign and Implementation of Secret Key Agreement for Platoon-based Vehicular Cyber-physical Systemspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleSafe Cooperating Cyber-Physical Systems using Wireless Communication
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/692529/EU
oaire.citation.endPage22:20pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage22:1pt_PT
oaire.citation.titleACM Transactions on Cyber-Physical Systemspt_PT
oaire.citation.volume4pt_PT
oaire.fundingStreamH2020
person.familyNameSeverino
person.familyNameTovar
person.givenNameRicardo
person.givenNameEduardo
person.identifier1052876
person.identifier.ciencia-idD718-13F6-42E0
person.identifier.ciencia-id6017-8881-11E8
person.identifier.orcid0000-0002-4215-3238
person.identifier.orcid0000-0001-8979-3876
person.identifier.scopus-author-id24475700500
person.identifier.scopus-author-id7006312557
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationc255a195-621c-48ba-8bf4-b0a5ecee8d86
relation.isAuthorOfPublication80b63d8a-2e6d-484e-af3c-55849d0cb65e
relation.isAuthorOfPublication.latestForDiscoveryc255a195-621c-48ba-8bf4-b0a5ecee8d86
relation.isProjectOfPublication0e1a14eb-d2a6-4088-889f-27dfc0fa61b2
relation.isProjectOfPublication.latestForDiscovery0e1a14eb-d2a6-4088-889f-27dfc0fa61b2

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