The proposed scheme has the advantages of secure private key storage, immediate certificate revocation and distributed trust management.
本方案具有分布式的私钥安全保存，及时的证书撤销和分布式信任管理等优点。
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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