The proposed group key establishment scheme reduces both the computational overhead and communication costs and has the high security and usability.
提出的组密钥建立方案有效地降低了组密钥建立过程的计算和通信开销，并具有较高的安全性和可用性。
With the increase in bandwidth, size, and application of large group communication, a growing application area in network is conference-key establishment.
随着大型群组通信带宽的增加、规模的扩展以及应用的增多，会议密钥建立的应用越来越广泛。
Firstly, a composite method of part agreement and part distribution is adopted to establishment the cluster key, then, a full agreement method is adopted to establishment the group key.
该方案首先采用部分协商和部分分发相结合的方式建立簇密钥，然后采用完全协商的方式来建立组密钥。
Firstly, a composite method of part agreement and part distribution is adopted to establishment the cluster key, then, a full agreement method is adopted to establishment the group key.
该方案首先采用部分协商和部分分发相结合的方式建立簇密钥，然后采用完全协商的方式来建立组密钥。
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