Secure Anonymous Group Infrastructure for Common and Future Internet Applications

  • Authors:
  • N. Weiler

  • Affiliations:
  • -

  • Venue:
  • ACSAC '01 Proceedings of the 17th Annual Computer Security Applications Conference
  • Year:
  • 2001

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Abstract

Secure group communication protocols, in particularmulti-party key agreement and update algorithms, help promotetraditional and new Internet multi-party applicationssuch as video conferencing or distance education. We proposea framework for marrying such approaches with accessmanagement mechanisms and applications in real environments.Furthermore, we extend this framework withanonymisation techniques for the sake of the individual'sprivacy. Our solution combines traditional unicast basedapproaches for privacy with authenticated and encryptedgroup communication. Thereby, we are able to build closedgroups in which the members are not disclosed to outsiders.The introduced secure and anonymous multicast (SAM)framework can be employed as a scalable, configurable architecturefor pseudonym based group communication betweenqualified entities.