【摘要】 为了解决移动支付的公平交易问题,提出了一种基于同时生效签名的无可信第三方的移动支付协议。该协议不仅能保证顾客在向商家付款的同时获得所购买的商品,还可以防止共谋问题的发生。该协议满足交易的公平性和不可否认性,并且避免了采用传统意义上的可信任第三方而引起的交易“瓶颈”问题,适用于移动环境下数字产品的交易。更多还原

【Abstract】 In order to solve the problem of fair transaction in mobile payment,this paper proposes a mobile payment protocol without a Trusted Third Part(TTP) based on a concurrent signature scheme,in which both the benefits of customers and merchants can be protected and the conspiracy problem can be avoided.The protocol possesses the characters of fairness and non-repudiation.At the same time,the scheme can avoid network congestion brought by a traditional TTP,and it can be applied to the trade of digital products in mobile environment.更多还原