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Self-blindable credentials with revocation

Lueks, W. (2011) Self-blindable credentials with revocation. Master's Thesis / Essay, Mathematics.

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Abstract

The use of digital credentials is nowadays common-practice. However, the awareness of the privacy risk associated with their use has caused anonymous credentials to gain popularity over the last decade. Batina et al. showed that the self-blindable credentials from Verheul, which are intrinsically anonymous, can be efficiently implemented on smart cards. Unfortunately, the revocation of these self-blindability credentials is complicated. In this thesis we examine some existing revocation schemes and propose a new self-blindable credential scheme that uses fast revocation. We define a formal model for the anonymity and unforgeability of such a credential scheme and prove the security of our scheme in this model. Furthermore, we show that the existing self-blindable credential protocols with revocation are not anonymous.

Item Type: Thesis (Master's Thesis / Essay)
Degree programme: Mathematics
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 15 Feb 2018 07:46
Last Modified: 15 Feb 2018 07:46
URI: http://fse.studenttheses.ub.rug.nl/id/eprint/9777

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