摘要： 基于椭圆曲线离散对数问题,将限制性群盲签名和知识签名的思想推广到椭圆曲线循环群上,提出了一种新的限制性群盲签名方案,以提高其安全性和效率。并以此为基础设计了一种多银行电子现金系统。分析表明,方案是安全的、高效的。

关键词: 限制性群盲签名, 知识签名, 椭圆曲线, 电子现金

Abstract: A new scheme of restrictive group blind signature based on elliptic curve discrete logarithm problem (ECDLP) is forwarded, which extends the restrictive group blind signature and the signature of knowledge to the elliptic curve cyclic group in order to enhance its security and efficiency. And on this basis, a new multi-bank e-cash system is proposed. Analysis testifies its security and efficiency.

中图分类号: 

• TP309