Secure key agreement for group communications

  • Authors:
  • Wen-Her Yang;Shiuh-Pyng Shieh

  • Affiliations:
  • Department of Computer Science and Information Engineering, National Chiao Tung University, Hsinchu, Taiwan 30018;Department of Computer Science and Information Engineering, National Chiao Tung University, Hsinchu, Taiwan 30018

  • Venue:
  • International Journal of Network Management
  • Year:
  • 2001

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Abstract

A secure key agreement protocol for group communications is proposed in this paper, which ensures the authenticity of group members and the privacy of group messages, and provides the properties of perfect forward and backward privacy. In a group session, the common key is collaboratively established by all participants, hence the overhead of key agreement is balanced among group members.