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Paper 2013/182
Collusion-Resistant Domain-Specific Pseudonymous Signatures
Julien Bringer and Herve Chabanne and Alain Patey
Abstract
At ISC 2012, Bender et al. introduced the notion of domain-specific pseudonymous signatures for ID documents. With this primitive, a user can sign with domain-specific pseudonyms, that cannot be linked across domains but that are linkable in a given domain. However, their security model assumes non-collusion of malicious users, which is a strong assumption. We therefore propose improvements to their construction. Our main contribution is a new pseudonymous signature scheme based on group signatures that is collusion-resistant.
Metadata
- Available format(s)
- Category
- Public-key cryptography
- Publication info
- Published elsewhere. NSS 2013
- Keywords
- group signaturespseudonymous signatureselectronic ID documents
- Contact author(s)
- alain patey @ telecom-paristech fr
- History
- 2013-04-01: received
- Short URL
- https://ia.cr/2013/182
- License
-
CC BY