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dc.contributor.authorXu, Guangquan
dc.contributor.authorZhang, Yao
dc.contributor.authorJiao, Litao
dc.contributor.authorPanaousis, Emmanouil
dc.contributor.authorLiang, Kaitai
dc.contributor.authorWang, Hao
dc.contributor.authorLi, Xiaotong
dc.identifier.citationIEEE Access. 2019, .nb_NO
dc.description.abstractThis paper characterizes a contract signing protocol with high efficiency in Internet of Things. Recent studies show that existing contract-signing protocols can achieve abuse-freeness and resist inference attack, but cannot meet the high-efficiency and convenience requirement of the future Internet of things applications. To solve this problem, we propose a novel contract-signing protocol. Our proposed protocol includes two main parts: 1) we use the partial public key of the sender, instead of the zero-knowledge protocol, to verify the intermediate result; 2) we employ two independent Trusted Third Parties (TTPs) to prevent the honest-but-curious TTP. Our analysis shows that our double TTP protocol can not only result in lower computational cost, but also can achieve abuse-freeness with trapdoor commitment scheme. In a word, our proposed scheme performs better than the state of the art in terms of four metrics: encryption time, number of exponentiations, data to be exchanged and exchange steps in one round contract-signing.nb_NO
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)nb_NO
dc.rightsNavngivelse 4.0 Internasjonal*
dc.titleDT-CP: A Double-TTPs Based Contract-signing Protocol with Lower Computational Costnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.source.journalIEEE Accessnb_NO
dc.description.localcodeThis work is licensed under a Creative Commons Attribution 4.0 License. For more information, see
cristin.unitnameInstitutt for datateknologi og informatikk

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Navngivelse 4.0 Internasjonal
Except where otherwise noted, this item's license is described as Navngivelse 4.0 Internasjonal