Authenticated group key agreement with admission control

Authors:
Wen Hailong;Gu Dawu
Affiliations:
Shanghai Jiaotong University, Shanghai, China;Shanghai Jiaotong University, Shanghai, China
Venue:
InfoSecu '04 Proceedings of the 3rd international conference on Information security
Year:
2004

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Abstract

In this paper we present an authenticated group key agreement scheme with admission control for dynamic peer groups. Admission control is a necessary part of group communication. The scheme uses secret sharing to achieve integration of admission control and key agreement and addresses the pre-requisite for key management. Identity-based cryptosystems are used for mutual authentication and key agreement, and it avoids bandwidth consuming and expensive computation arising from certificates in PKI.