群签名是一种重要的签名。
该文解决了群签名中成员删除问题。
The paper resolves the problem of member deletion in group signatures.
以双线性对为工具，构造了一种群签名。
The signature from bilinear pairings is based on access structure;
分析结果表明，该群签名方案是不安全的。
基于双线性对的群签名技术可用于构造电子货币。
Group signature technology from bilinear pairings can be applied in constructing electronic cash.
对群签名的设计与分析始终是密码学领域的一大热点。
Design and cryptanalysis on group signature is always the hotspot in the field of cryptography.
接着提出了一个基于身份的可证明安全的群签名方案。
Then, we propose a provably secure and ID-Based group signature scheme.
构造了群签名中高效安全的群成员删除问题的解决方案。
Construct an efficient and secure solution scheme of member deletion problem in group signature.
因此设计安全、高效、灵活的群签名方案具有重要的现实意义。
So it is very important to design secure, efficient and flexible group signature schemes.
群签名允许群成员以匿名的方式代表整个群体对消息进行签名。
Group signature schemes allow a group member to anonymously sign on group's behalf.
一大群歌迷正排队等流行歌星的亲笔签名。
A large crowd of fans are queuing up for the pop star's autograph.
在有争议的情况下，群管理人可以确定签名人的身份。
In case of dispute, the group manager can reveal the identity of actual signer.
在有争议的情况下，群管理人可以确定签名人的身份。
In case of dispute, the group manager can reveal the identity of actual signer.
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