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: | https://fse.studenttheses.ub.rug.nl/id/eprint/9777 |
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