Key management approach of multicast

Zhen Jiang; Xi-lian Wang; Hong-ke Zhang; Li-yong Zhang

doi:10.1117/12.481082

29 August 2002 Key management approach of multicast

Zhen Jiang, Xi-lian Wang, Hong-ke Zhang, Li-yong Zhang

Proceedings Volume 4909, Network Design and Management; (2002) https://doi.org/10.1117/12.481082
Event: Asia-Pacific Optical and Wireless Communications 2002, 2002, Shanghai, China

Abstract

A key management approach of multicast is provided in this paper. It is based on the approach of assignment key to every group member through key center. In view of some management schemes where members join, leave or are deleted, key service center must distribute new key through unicast another time. The bigger amount of members the greater expenses will be spent. In this paper with member varying their upper key service center still distribute the new keythrough multicast and an ID is assigned to every member to identify their transmission message so as to implement data origin authentication. The essential principle of this approach is distributing a key generator for each member. For example a random number generator depending on certain algorithm can be distributed. And every member needs store a seed table. In this project key can automatically be renewed as time goes by or immediately renewed. Replace unicast by multicast to renew key decrease the spending. It is not only suitable for the key centralized management scheme with fewer members but also for the key separated management scheme with large group members and member frequently changed.

Citation Download Citation

Zhen Jiang, Xi-lian Wang, Hong-ke Zhang, and Li-yong Zhang "Key management approach of multicast", Proc. SPIE 4909, Network Design and Management, (29 August 2002); https://doi.org/10.1117/12.481082

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