文中结合完全二叉树结构，提出了一种新的基于身份的群密钥协商协议。
Combined with complete binary tree architecture, a new identity-based group key agreement protocol is proposed in this paper.
在群成员随时变动的动态对等群组中，群密钥协商比群密钥分配更适用。
Group key agreement scheme is more adaptable than group key distribution in DPG in which its membership can be frequently changed.
在群成员随时变动的动态对等群组中，群密钥协商比群密钥分配更适用。
Group key agreement scheme is more adaptable than group key distribution in DPG in which its membership can be frequently changed.
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