一种基于认证加密的群签名方案

Group signature scheme based on the authenticated encryption

群签名是数字签名的一种新类型,在群签名中任何一个群组成员可以代表整个群实施签名。提出了一种基于认证加密的群签名方案,融合了群签名和加密双重功能,具有通信成本低,传输效率高等特性,可应用于电子商务、电子拍卖中。

Group signature is a new kind of signature.The valid members in group can produce a signature on behalf of a group.In thesis,an efficient secure group signature scheme based on authenticated encryption is proposed.It not only has the properties of the group signature,but also the functions of the authenticated encryption,Which can produce a group signature and encryption of the important messages at the same time.so it has lower cost but is highly efficient.This scheme can be used to many application,especially in e-commerce,e-auction and so on.