This paper shows that Chen - Zhu's scheme is universally forgeable, that is, the groupauthority 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。
2
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。
3
Creates and defines the role, responsibilities, and authority of this new process group.