一种基于时间流的安全多播密钥更新机制的研究

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Abstract Several emerging internet services by multicast force the research on secure multicast, and the research on key update is a big challenge. This paper designs a hash function of variable message digest and variable key length for a key update protocol that is proposed based on time stream, and analysises the overall performances for the protocol.

Key words： Secure multicast Hash function Key tree Key update

Received: 26 December 2002

PACS:

TN918

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	Pan Zhi-bo
	Zheng Bao-yu
	Wu Meng

Cite this article:

Pan Zhi-bo,Zheng Bao-yu,Wu Meng. Study on a Key Update Mechanism for Secure Multicast Based on Time Stream[J]. , 2004, 26(7): 1045-1052 .

URL:

http://jeit.ie.ac.cn/EN/ OR http://jeit.ie.ac.cn/EN/Y2004/V26/I7/1045