Commitment-based device-pairing protocol with synchronized drawings and comparison metrics

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Antikainen, Markku
dc.contributor.author Sethi, Mohit
dc.contributor.author Matetic, Sinisa
dc.contributor.author Aura, Tuomas
dc.date.accessioned 2017-05-11T08:29:44Z
dc.date.available 2017-05-11T08:29:44Z
dc.date.issued 2015
dc.identifier.citation Antikainen , M , Sethi , M , Matetic , S & Aura , T 2015 , ' Commitment-based device-pairing protocol with synchronized drawings and comparison metrics ' PERVASIVE AND MOBILE COMPUTING , vol 16 , no. Part B , pp. 205-219 . DOI: 10.1016/j.pmcj.2014.10.006 en
dc.identifier.issn 1574-1192
dc.identifier.issn 1873-1589
dc.identifier.other PURE UUID: 7c320450-5404-4641-82df-501931fce3c4
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/commitmentbased-devicepairing-protocol-with-synchronized-drawings-and-comparison-metrics(7c320450-5404-4641-82df-501931fce3c4).html
dc.identifier.other PURE LINK: http://www.sciencedirect.com/science/article/pii/S1574119214001783
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/11637272/1_s2.0_S1574119214001783_main.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/25636
dc.description VK: Secure Systems; Aura, T.
dc.description.abstract This article presents a new method for pairing devices securely. The commitment-based authentication uses a fuzzy secret that the devices only know approximately. Its novel feature is time-based opening of commitments in a single round. We also introduce a new source for the fuzzy secret: synchronized drawing with two fingers of the same hand on two touch screens or surfaces. The drawings are encoded as strings and compared with an edit-distance metric. A prototype implementation of this surprisingly simple and natural pairing mechanism shows that it accurately differentiates between true positives and man-in-the-middle attackers. en
dc.format.extent 205-219
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries PERVASIVE AND MOBILE COMPUTING en
dc.relation.ispartofseries Volume 16, issue Part B en
dc.rights openAccess en
dc.title Commitment-based device-pairing protocol with synchronized drawings and comparison metrics en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Computer Science en
dc.subject.keyword Security
dc.subject.keyword Device pairing
dc.subject.keyword Commitment protocol
dc.subject.keyword Edit distance
dc.identifier.urn URN:NBN:fi:aalto-201705114020
dc.identifier.doi 10.1016/j.pmcj.2014.10.006
dc.type.version publishedVersion


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