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When group rekeying, each node collaborates with some neighbour nodes to get the new group key.
组密钥更新时,节点通过和一定数目的邻居节点进行协作生成新的组密钥。
参考来源 - 无线传感器网络组密钥管理研究A new group rekeying scheme is proposed,which uses multiple key pools in key pre-distribution phase and establishes pairwise keys for group rekeying.
该文提出了一种新的组密钥更新策略。
参考来源 - 自组网中一种新的组密钥更新策略 in CComparing GKCP with GKMP, LKH and OFT, the GKCP has the following characteristics: small granularity of group authentication, flexible sub-group communication, prevention of deceit of group key update.
通过与GKMP、LKH、OFT 等协议进行比较,得出GKCP 具有双向认证、组成员认证粒度小、灵活的子组通信、抵抗组密钥更新欺骗等特点。
参考来源 - 组播密钥管理协议的研究与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
摘要：可缩放组密钥更新是大型动态组通信需要面对的一个重要问题。
Absrtact: Scalable group rekeying is one of the biggest challenges that need to be addressed to support secure communications for large and dynamic groups.
针对有实时性需求的分布式组通信应用问题，提出基于哈希函数和BD协议的组密钥更新机制。
A scheme of re-keying management based on key chain and BD protocol applied to real-time distributed communication is proposed.
论文重点对节能的密钥分发、安全和高效的组密钥更新以及密钥预分发等组密钥管理的关键问题进行研究。
The group key management problems this thesis studies mainly include energy-saving multicast key distribution, secure and efficient group rekeying, and key pre-distribution.
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