The private goup aims to help children receive services they need to succeed.
这家私人组织致力于帮助儿童获得能够使他们成功的服务。
At present, group key management mainly divided into goup key distribution and group key agreement, both of them have their own character and can be used in different applications.
目前已有的组密钥管理协议主要包括组密钥分配协议和组密钥协商协议，总体来说，他们各有优缺点，适用于不同的情况。
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