And we mainly focus on the distributed key management framework: IGKMP and lolus , the rekeying protocol based on key tree , and periodical rekeying strategies.
其中重点讨论了目前流行的组播密钥管理框架，密钥树，分隙密钥更新方案。
参考来源 - 网络安全传输建立与维护的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A method for constructing of status key tree is proposed.
给出了状态密钥树的构造方法。
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。
The node coordinates are used to mark key tree in this scheme, which facilitates re keying.
该方案中密钥树采用节点坐标标记方法，便于密钥树的更新。
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