Implementing a privacy-enhanced attribute-based credential system for online social networks with co-ownership management

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dc.contributor.author Palomar, Esther
dc.contributor.author González Manzano, Lorena
dc.contributor.author Alcaide, Almudena
dc.contributor.author Galán Sánchez, Álvaro
dc.date.accessioned 2022-02-21T15:20:53Z
dc.date.available 2022-02-21T15:20:53Z
dc.date.issued 2016-03-01
dc.identifier.bibliographicCitation Palomar, E., González-Manzano, L., Alcaide, A., Galán, A. (2016). Implementing a privacy-enhanced attribute-based credential system for online social networks with co-ownership management. IET Information Security, 10(2), pp. 60-68.
dc.identifier.issn 1751-8709
dc.identifier.uri http://hdl.handle.net/10016/34186
dc.description.abstract Online social network (OSN) users are exhibiting an increased privacy-protective behaviour especially since multimedia sharing has emerged as a popular activity over most OSN sites. Popular OSN applications could reveal much of the users' personal information or let it easily derived, hence favouring different types of misbehaviour. In this article the authors deal with these privacy concerns by applying fine-grained access control and co-ownership management over the shared data. This proposal defines access policy as any linear boolean formula that is collectively determined by all users being exposed in that data collection namely the co-owners. All co-owners are empowered to take part in the process of data sharing by expressing (secretly) their privacy preferences and, as a result, jointly agreeing on the access policy. Access policies are built upon the concept of secret sharing systems. A number of predicates such as gender, affiliation or postal code can define a particular privacy setting. User attributes are then used as predicate values. In addition, by the deployment of privacy-enhanced attribute-based credential technologies, users satisfying the access policy will gain access without disclosing their real identities. The authors have implemented this system as a Facebook application demonstrating its viability, and procuring reasonable performance costs.
dc.language.iso eng
dc.publisher Wiley Publishing Ltd
dc.rights © The Institution of Engineering and Technology 2016
dc.title Implementing a privacy-enhanced attribute-based credential system for online social networks with co-ownership management
dc.type article
dc.subject.eciencia Informática
dc.identifier.doi https://doi.org/10.1049/iet-ifs.2014.0466
dc.rights.accessRights openAccess
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 60
dc.identifier.publicationissue 2
dc.identifier.publicationlastpage 68
dc.identifier.publicationtitle IET Information Security
dc.identifier.publicationvolume 10
dc.identifier.uxxi AR/0000017798
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