一种基于DSA群数字签名方案的改进

An Improved Group Digital Signature Scheme Based on DSA

摘要: 介绍了数字签名和群数字签名的概念，针对群数字签名方案的两点不足，即不能添加新成员有数字签名中心的验计计算较大，对其提出改进方案，设计了基于DSA变体的改进的群数字签名方案。

Abstract: This paper introduces concepts of digital signature and group digital signature. To overcome shortcomings of digital signature scheme, a new scheme is presented based on a variant of digital signature standard DSA.