本文提出了采用限高树密钥结构的分布式lkh组密钥管理协议。

This paper puts forward Distributed LKH group key management protocol based on HLTN key architecture.

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目前已有的组密钥管理协议主要包括组密钥分配协议和组密钥协商协议，总体来说，他们各有优缺点，适用于不同的情况。

At present, group key management mainly divided into goup key distribution and group key agreement, both of them have their own character and can be used in different applications.

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在分析现有组播密钥管理协议的基础上，提出了一种基于成员发现协议的组播密钥管理方案。

On the basis of analyzing existed schemes, a key management scheme based on member discovery protocol for IP multicast was proposed.

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