基于同时签名的公平电子现金协议

Fair electronic cash protocol based on concurrent signature

基于具有前向安全性的群签名算法,提出了一个新的公平电子现金协议。协议不仅具有前向安全性和可撤销匿名性,还利用uPCS1同时签名实现了支付协议的公平性,并采用改进后的Kailar逻辑进行了证明,且效率也要优于以往的方案。

On basis of forward-security group signature algorithm, a new fair electronic cash protocol was presented.The scheme realized not only forward-security and revocable anonymity but also fairness with applying uPCS1 group signature.The fairness of the payment protocol was analyzed by the new Kailar logic and the fact that the efficient of the protocol would be better than the previous proposal was proved.