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Privacy-Preserving Electronic Ticket Scheme with Attribute-Based Credentials

Han, Jinguang, Chen, Liqun, Schneider, Steve, Treharne, Helen and Wesemeyer, Steve (2019) Privacy-Preserving Electronic Ticket Scheme with Attribute-Based Credentials IEEE Transactions on Dependable and Secure Computing.

TDSC_PrivacyPreservingETicketSchemeWithABC.pdf - Accepted version Manuscript

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Users accessing services are often required to provide personal information, for example, age, profession and location, in order to satisfy access polices. This personal information is evident in the application of e-ticketing where discounted access is granted to visitor attractions or transport services if users satisfy policies related to their age or disability or other defined over attributes. We propose a privacy-preserving electronic ticket scheme using attribute-based credentials to protect users’ privacy. The benefit of our scheme is that the attributes of a user are certified by a trusted third party so that the scheme can provide assurances to a seller that a user’s attributes are valid. The scheme makes the following contributions: (1) users can buy different tickets from ticket sellers without releasing their exact attributes; (2) two tickets of the same user cannot be linked; (3) a ticket cannot be transferred to another user; (4) a ticket cannot be double spent. The novelty of our scheme is to enable users to convince ticket sellers that their attributes satisfy the ticket policies and buy discounted tickets anonymously. This is a step towards identifying an e-ticketing scheme that captures user privacy requirements in transport services. The security of our scheme is proved and reduced to a well-known complexity assumption. The scheme is also implemented and its performance is empirically evaluated.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Computer Science
Authors :
Han, Jinguang
Date : 12 September 2019
Funders : EPSRC - Engineering and Physical Sciences Research Council
DOI : 10.1109/TDSC.2019.2940946
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 : Anonymity; Attribute-based Credentials; Privacy-enhanced Authentication; Electronic Ticket
Depositing User : Diane Maxfield
Date Deposited : 25 Sep 2019 14:28
Last Modified : 25 Sep 2019 14:28

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