该文通过在一般群签名上增加一个负责授权的权限管理员和一个授权过程来达到授权群签名。
The authors add a new party, the right manager, and a new procedure, AUTHORIZE procedure to the standard group signatures to achieve the authorized group signatures.
要覆盖组的权限，管理员可以单独添加组的一个成员。
To override the group's permissions, the administrator can individually add a member of a group.
支持用户分组细分的同时，还设有权限开关，管理员可选择为整个组织或某一分组设定服务权限。
Users can be grouped in subdivisions while the administrator has the option to turn the service on or off for the entire organization or for a subdivision.
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