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An Efficient Key Agreement Scheme for Dynamic Secure Multicast

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2 Author(s)
Chen Li-Qing ; Dept. of Comput. Eng., Huaiyin Inst. of Technol., Huaiyin ; Yang Song

Multicast provides an efficient mechanism for a sender to send messages to multiple receivers simultaneously. Designing secure and efficient key agreement schemes is the key requirement of realizing dynamic secure multicast. In this paper, a new identity-based key agreement scheme for dynamic multicast groups using bilinear pairings is proposed. The procedures of secret communications between subgroups and the updating of group keys with the dynamic change of group members are analyzed in detail, when the newly proposed scheme is employed in multicast communication. The analysis shows our scheme is not only efficient in computation and communication and also satisfies all the security requirements of key agreement for multicast.

Published in:

Information Science and Engineering, 2008. ISISE '08. International Symposium on  (Volume:1 )

Date of Conference:

20-22 Dec. 2008