基于椭圆曲线的Schnorr型高效多重群签名方案

多重群签名是既具有群签名的性质,又具有多重数字签名性质的特殊的群签名。在基于中国剩余定理的群签名的基础上进行改进,引入椭圆曲线的Schnorr型广播多重数字签名,将动态群签名方案与多重数字签名理论巧妙地结合起来,提出了一个基于椭圆曲线的Schnorr型高效的广播多重群签名方案。方案中群成员可以高效动态增删,签名时加入时间戳,防止消息重放,并且综合椭圆曲线和Schnorr数字签名的密钥短、速度快的优势,实现了方案的安全高效,适用于智能终端系统中,实用性更强。

Schnorr type efficient multiple group signature scheme with the elliptic curve

Multiple group signature is a special group signature which has both the nature of the group signature and muhiple digital signature nature. This paper improves a kind of group signature which is based on the Chinese remainder theorem, and combines with the elliptic curve Schnorr type multi-digital signature. The paper combines dynamic group signature scheme with multiple digital signature theory skillfully c, and proposes Sehnorr type efficient broadcasting multiple group signature scheme with the elliptic curve. Group members can be added and deleted effectively. Adding timestamp to the signature scheme, in order to prevent message replay. Because of elliptic curve and SchnmT digital signatures＇ key shot~t and speed advantage, the safety and efficiency of the scheme realize better. It is suitable for intelligent terminal system and more practical.