Collusion-Resistant Domain-Specific Pseudonymous Signatures

  • Julien Bringer
  • Hervé Chabanne
  • Alain Patey
Conference paper

DOI: 10.1007/978-3-642-38631-2_52

Part of the Lecture Notes in Computer Science book series (LNCS, volume 7873)
Cite this paper as:
Bringer J., Chabanne H., Patey A. (2013) Collusion-Resistant Domain-Specific Pseudonymous Signatures. In: Lopez J., Huang X., Sandhu R. (eds) Network and System Security. NSS 2013. Lecture Notes in Computer Science, vol 7873. Springer, Berlin, Heidelberg

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.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Julien Bringer
    • 1
  • Hervé Chabanne
    • 1
    • 2
  • Alain Patey
    • 1
    • 2
  1. 1.MorphoFrance
  2. 2.Identity and Security Alliance (The Morpho and Télécom ParisTech Research Center)Télécom ParisTechFrance

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