本文基于B.Meng协议提出了一个安全的、满足公平性及不可否认性的电子交易协议,该协议保护了交易信息的隐私性,提高了处理效率。协议所涉及的可信第三方是离线的,所以减少了对第三方的依赖.提高了安全性。避免了瓶颈问题的产生。
In this paper a securely fair non-repudiation protocol is proposed, at the same time it greatly improves the security and efficiency in B. Meng's protocol. It is more important that the trusted third parties is off-line in the proposed protocol, so it can obviously reduce the involvement of trusted third parties and solve the bottleneck problem.