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Sybil-Free Pseudonyms, Privacy and Trust: Identity Management in the Internet of Services
Technische Universität Darmstadt, Telecooperation Lab (TK).
1Technische Universität Darmstadt, Telecooperation Lab (TK).
1Technische Universität Darmstadt, Telecooperation Lab (TK).
2011 (English)In: Journal of Information Processing, ISSN 1882-6652Article in journal (Refereed) Published
Abstract [en]

We propose an identity management system that supports role-based pseudonymsthat are bound to a given set of services (service contexts) and supportthe use of reputation systems. Our proposal offers a solution for the problemof providing privacy protection and reputation mechanisms concurrently.The trust information used to evaluate the reputation of users is dynamic andassociated to their pseudonyms. In particular, our solution does not requirethe support or assistance from central authorities during the operation phase.Moreover, the presented scheme provides inherent detection and mitigation ofSybil attacks. Finally, we present an attacker model and evaluate the securityand privacy properties and robustness of our solution.

Place, publisher, year, edition, pages
Japan: Information Processing Society of Japan , 2011.
Keyword [en]
privacy, trust
National Category
Computer Science
Research subject
Computer Science
URN: urn:nbn:se:kau:diva-27767DOI: 10.2197/ipsjjip.19.317OAI: diva2:627823
Available from: 2013-06-12 Created: 2013-06-12 Last updated: 2013-10-22

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