Group key management is one of the kernel problems in secure multicast.

而组密钥管理是安全组播的核心问题之一。

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Multicast key management is the key problem for secure multicast communication.

多播密钥管理是确保多播安全通信的核心问题。

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Multicast key management is the key problem for secure multicast communication.

多播密钥管理是确保多播安全通信的核心问题。

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