摘要： 抗可抵赖是开展电子商务活动所必须解决的关键问题之一。常用的抗抵赖服务有：原发抗可抵赖(NRO)、交付抗可抵赖(NRD)、提交抗可抵赖(NRS)和传输抗可抵赖(NRT)等。该文对电子商务的抗可抵赖进行了分析和研究，重点分析了FNP和CMP协议，并且在此基础上，提出了一个实现原发抗抵赖和交付抗抵赖的高效的公平的抗抵赖协议。

关键词: 电子商务, 抗可抵赖, 公平抗抵赖协议, 可认证的邮件协议

Abstract: Non-repudiation is one of the important questions of the implementation of electronic business. Non-repudiation mainly consists of non-repudiation of origin , non-repudiation of receipt, non-repudiation of transport and non-repudiation of submission.The paper researches and analyzes the non-repudiation and gives some methods to solve the question. At the same time, it discusses the fair non-repudiation protocol, the certified electronic mail protocol etc.At last it presents a non-repudiation protocol.

中图分类号: 

• TP399