This paper shows that Chen - Zhu's scheme is universally forgeable, that is, the group authority can forge a valid group signature on an arbitrary message, which stands in any group member.

该文认为该方案是全局可伪造的，群管理员可以对任何消息假冒任何成员生成有效的群签名。

youdao

For different reasons, a group of people went to Mount Liang, fighting against the authority.

出于不同的原因，一群人上了梁山，反抗当局。

youdao

Creates and defines the role, responsibilities, and authority of this new process group.

创建并定义该新的过程组的角色、职责，和权力。

youdao

The group says the quality of medical care will drop if nurse practitioners are given more authority.

VOA: standard.2010.05.14

"They don't quite trust the Israeli political system or the police or all the structures of authority and so a very tiny group has declared a war on the entire Israeli mainstream,".

VOA: standard.2009.11.14

The local authority group says that councils are still uncertain about whether there will be further reviews of decisions about building projects.

BBC: ?260m 'wasted' in axing school building plans

Faced with the growing power and influence of Hamas, the main militant group, the Palestinian Authority's only hope of remaining relevant is successful negotiation with the Israelis.

ECONOMIST: Unsettling the settlers | The

It outlines how people were recruited to serve in the Coalition Provisional Authority, the group that ran Iraq right after the invasion.

NPR: No Smoking in the Green Zone