一种改进的基于 ECC 的代理盲签名方案

摘要

针对Alghazzawi等提出的一种基于ECC的代理盲签名方案具有的可伪造性、可追踪性等不安全特点，改进了原方案的代理签名秘钥，重新设计了盲签名方法，提出了一种安全的代理盲签名方案，并证明了新方案的安全性。%The proxy blind signature scheme proposed by Alghazzawi could be forged and traced .This article improved the secret key of the proxy signature and redesigned the blind signature method .A new safe proxy blind signature scheme was proposed ,and the security of the new signature scheme was proved .