A Universally Composable Framework for the Analysis of Browser-Based Security Protocols

  • Authors:
  • Sebastian Gajek

  • Affiliations:
  • Horst Görtz Institute for IT Security, Ruhr University Bochum, Germany

  • Venue:
  • ProvSec '08 Proceedings of the 2nd International Conference on Provable Security
  • Year:
  • 2008

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Abstract

Browser-based security protocols perform cryptographic tasks within the constraints of commodity browsers. They are the bearer protocols for many security critical applications on the Internet. Roughly speaking, they are the offspring of key exchange and secure sessions protocols. Although browser-based protocols are widely deployed, their security has not been formally proved. We provide a security model for the analysis of browser-based protocols based on the Universal Composability framework.