摘要
鉴于代理多重签名在现代电子商务中的重要意义,以Kim型签名方案为基础,并针对代理多重签 名中可能存在的伪造攻击、团体攻击、重复攻击等安全性问题提出了一种改进的代理多重签名方案.
Proxy Multi-signature, which can handle the problem of Deputy Signature and authentication of allograph,has played an important role in E-commerce nowadays.With the help of Proxy Multi-signature, a proxy signer can officiate on behalf of two or more original signers.This article, based on Kim proxy multi-signature, brings forward a new improved proxy multi-signature scheme to resolve the underlying security problems in previous schemes.
基金
国家自然科学基金资助(60173041)
湖南省自然科学基金资助(02JJY2094)
