动态分簇密钥管理方案 KMDC
空间信息网络存在不同的通信方式，网络拓扑结构动态多变，对组播密钥管理提出了特殊的要求。
There are many communication ways in space information network(SIN). The network topology changes dynamically, which brings out special requirements for multicast key management.
针对大型动态群组组播通信密钥更新开销大的问题，提出一种高效的混合组播密钥管理方案。
This paper proposes an efficient hybrid multicast key management scheme to solve the problem of high key update cost in large dynamic multicast group.
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