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Anonymous Single Sign-On With Proxy Re-Verification

Han, Jinguang, Chen, Liqun, Schneider, Steve, Treharne, Helen, Wesemeyer, Stephan and Wilson, Nick (2020) Anonymous Single Sign-On With Proxy Re-Verification IEEE Transactions on Information Forensics and Security, 15 (1). pp. 223-236.

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An anonymous single sign-on (ASSO) scheme allows users to access multiple services anonymously using one credential. We propose a new ASSO scheme, where users can access services anonymously through the use of anonymous credentials and unlinkably through the provision of designated verifiers. Notably, verifiers cannot link a user’s service requests even if they collude. The novelty is that when a designated verifier is unavailable, a central authority can authorize new verifiers to authenticate the user on behalf of the original verifier. Furthermore, a central verifier can also be authorized to de-anonymize users and trace their service requests. We formalize the scheme along with a security proof and provide an empirical evaluation of its performance. This scheme can be applied to smart ticketing where minimizing the collection of personal information of users is increasingly important to transport organizations due to privacy regulations such as general data protection regulations (GDPRs).

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Computer Science
Authors :
Wilson, Nick
Date : December 2020
DOI : 10.1109/TIFS.2019.2919926
Copyright Disclaimer : © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords : Proxy verification; Anonymous authentication; Designated verification; Service disruption; Games; Public key; Authentication; Adaptation models; TV; Indexes
Depositing User : Clive Harris
Date Deposited : 25 Sep 2019 14:04
Last Modified : 15 Oct 2019 10:46

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