The key tree based group key management algorithms are widely used in secure multicast.

安全组播目前主要采用基于密钥树的组密钥管理算法。

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First of all, this dissertation extensively studied the group key management algorithms based on key tree in secure multicast.

首先本文深入研究了安全组播中基于密钥树的组密钥管理算法。

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A method of resolving the scalability problem — aggregated multicast and the group-tree matching algorithm are analyzed.

该文分析了一种解决组播状态问题的方法——聚集组播和聚集组播的组-树匹配算法。

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