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dc.contributor.authorWang, Xu An
dc.contributor.authorMa, Jianfeng
dc.contributor.authorXhafa Xhafa, Fatos
dc.contributor.authorZhang, Mingwu
dc.contributor.authorLuo, Xiaoshuang
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Ciències de la Computació
dc.date.accessioned2016-09-23T14:16:43Z
dc.date.available2018-08-31T00:30:47Z
dc.date.issued2016-08-31
dc.identifier.citationWang, X., Ma, J., Xhafa, F., Zhang, M., Luo, X. Cost-effective secure e-health cloud system using identity based cryptographic techniques. "Future generation computer systems", Febrer 2017, vol. 67, p.242-254.
dc.identifier.issn0167-739X
dc.identifier.urihttp://hdl.handle.net/2117/90174
dc.description.abstractNowadays E-health cloud systems are more and more widely employed. However the security of these systems needs more consideration for the sensitive health information of patients. Some protocols on how to secure the e-health cloud system have been proposed, but many of them use the traditional PKI infrastructure to implement cryptographic mechanisms, which is cumbersome for they require every user having and remembering its own public/private keys. Identity based encryption (View the MathML sourceIBE) is a cryptographic primitive which uses the identity information of the user (e.g., email address) as the public key. Hence the public key is implicitly authenticated and the certificate management is simplified. Proxy re-encryption is another cryptographic primitive which aims at transforming a ciphertext under the delegator AA into another ciphertext which can be decrypted by the delegatee BB. In this paper, we describe several identity related cryptographic techniques for securing E-health system, which include new View the MathML sourceIBE schemes, new identity based proxy re-encryption (View the MathML sourceIBPRE) schemes. We also prove these schemes’ security and give the performance analysis, the results show our View the MathML sourceIBPRE scheme is especially highly efficient for re-encryption, which can be used to achieve cost-effective cloud usage.
dc.language.isoeng
dc.publisherElsevier
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Informàtica::Seguretat informàtica
dc.subject.lcshCloud computing
dc.subject.lcshComputer security
dc.subject.lcshMedical records--Data processing
dc.subject.otherSecure e-health cloud system
dc.subject.otherIdentity based encryption
dc.subject.otherIdentity based proxy re-encryption
dc.subject.otherCost-effective
dc.titleCost-effective secure e-health cloud system using identity based cryptographic techniques
dc.typeArticle
dc.subject.lemacComputació en núvol
dc.subject.lemacEncriptació de dades (Informàtica)
dc.subject.lemacHistòries clíniques -- Informàtica
dc.identifier.doi10.1016/j.future.2016.08.008
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0167739X16302588
dc.rights.accessOpen Access
local.identifier.drac18817705
dc.description.versionPostprint (author's final draft)
local.citation.authorWang, X.; Ma, J.; Xhafa, F.; Zhang, M.; Luo, X.
local.citation.publicationNameFuture generation computer systems
local.citation.volume67
local.citation.startingPage242
local.citation.endingPage254


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