Through creating the cluster key, the protocol reduces the key storage cost and resolves the problem of high communication cost for key distribution and renewing.
通过建立簇密钥对，降低了密钥存储开销，解决了密钥对建立和更新过程中通信开销大的问题。
In order to decrease the storage cost of group key distribution protocol, a secure group key distribute protocol based on the status key tree is proposed.
为了减少群组密钥分发协议的存储代价，提出了一种基于状态密钥树的群组密钥分发协议。
In order to decrease the storage cost of group key distribution protocol, a secure group key distribute protocol based on the status key tree is proposed.
为了减少群组密钥分发协议的存储代价，提出了一种基于状态密钥树的群组密钥分发协议。
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