该文提出了一种伪造攻击方案指出张等的方案是不安全的，任一群成员在撤消中心的帮助下可以不利用自己的秘密参数对任何消息生成有效的群签名。

This paper will show that Zhang et al. 's scheme is insecure, any group member colludes with repeal center can generate a valid group signature without using his secret parameters.

youdao

该文提出了一种伪造攻击方案指出张等的方案是不安全的，任一群成员在撤消中心的帮助下可以不利用自己的秘密参数对任何消息生成有效的群签名。

This paper will show that Zhang et al. 's scheme is insecure, any group member colludes with repeal center can generate a valid group signature without using his secret parameters.

youdao