摘要： 结合椭圆曲线密码体制、门限密码技术和盲签名方案，该文提出了一种基于椭圆曲线可验证的门限盲签名方案。该方案具有盲性、鲁棒性、不可伪造性等安全特征。具有强抗欺骗性，可有效地阻止敌方窃取签名主秘钥或子秘密，防止密钥管理中心与成员间的互相欺诈。对体制的安全性和效率进行了分析，并与郑卓等人提出的方案进行了比较。

关键词: 门限签名, 盲签名, 门限盲签名, 椭圆曲线, 离散对数

Abstract: This paper presents a new verifiable threshold blind signature scheme based on the elliptic curve by adopting threshold cryptography and blind signature scheme. This scheme has several security characteristics, such as blindness, robustness and non-forgery etc. It is able to prevent adversaries from getting the secrets or sub secrets and efficiently guard against cheating among participants. It analyzes the security and efficiency of this scheme, which is compared with the scheme of Zheng Zhuo.

Key words: threshold signature, blind signature, threshold blind signature, elliptic curve, discrete logarithms

中图分类号: 

• TP393.08