Research On The Security Of Brand Automobile Network Trading Based On Fair Exchange Protocol

With the development of Internet technology and society, EC is embarking on a commerce-oriented revolution within the global scope. The development of EC is upon the advancement of Internet, social development, economical reformation and having a far-reaching influence. ((Business Weekly?in USA believes that Internet has been "the most exciting business ever since ". The Internet transaction of brand automobile is also an original and very important transaction way in EC. Nowadays, it is playing a more and more important role in the people's life.The transaction of automobile involves all kinds of messages which are unique and needed to be protected. At the same time with the popularity of Internet, the research of TCP/IP is transparent increasingly and more and more defects are discovered, which expounds rigorous challenge to the security of Internet. The course of transaction must be protected in security mechanism otherwise its normal work can not be carried out. Therefore, it is imperious and necessary to provide security basement to the Internet transaction of brand automobile .After analyzing the situation of automobile marketing in China, a framework of EC in automobile marketing is expounded. Brand automobile EC systems which are suit able for our condition are designed on the basis of it. The design rules of EC and the whole frameworks, which consist of functional model, physical model, Browser/Server model and flow chart, are designed in this paper. The focus of this paper is primarily the whole frameworks of terrace , the basic principle of cryptography , fair exchanging protocol. On the basis of research of the basic principle of cryptography , it overviews some fair exchanging protocols and expounds a project on the Internet transaction of brand automobile, predominantly the equity of Internet transaction of brand automobile.