一种基于时间流的安全多播密钥更新机制的研究
Study on a Key Update Mechanism for Secure Multicast Based on Time Stream
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摘要: 基于Internet网的多播业务的广泛应用推动了人们对安全多播的研究,其中,对于密钥更新 机制的研究是一个热点也是难点。该文设计了一种变长输出摘要和变长密钥的单向散列函数用于所提出的一种基于时间流的密钥更新协议,并分析了该协议的各种性能。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.
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