Abstract: A new efficient multiple micropayment scheme named MicroPay is proposed. Its workflow is introduced and its security and performance are analyzed from various aspects. MicroPay reduces the times needed to sign or certificate and cancels many operations on Hash. It improves efficiency of the system, end insures equality of the system and the integrity and non-repudiation of data.

Key words: micropayment, MicroPay, Hash chain

摘要： 提出了一种适用于多方交易的安全微支付方案MicroPay，介绍了该方案的实现流程，并从多方角度对其安全性和性能进行了分析。MicroPay减少了签名验证操作的次数，也取消了多次Hash运算，提高了系统的运行效率，同时也在一定程度上保证了系统的公平性、数据的完整性和抗抵赖性。

关键词: 微支付, MicroPay, Hash链

CLC Number: 

• TP393