Designing And Implementation Of The Electronic Contracts Platform Based On E-signature Technology

As the population of Internet and the advancement of information technology, the mode of e-commerce based on trading on Internet has gradually taken the place of the traditional trade way. To the two parties of trading on Internet, how to verify the true identity of the other's credibility, and how to verify the authenticity, integrity, dependability and non-repudiation of electronic contracts sent by the other party are the key issues to solve firstly.This paper proposes the security requirements of e-contracts, based on Contract Law in the People's Republic of China and Electronic Signatures Law in the People's Republic of China. Elaborate that electronic signature ensures the authenticity of the identity and the legitimate rights of every party through digital certificate. Provide a reliable proof of contract signing time through the trusted time stamp system. Ensure the contract to be confidential, integrity and non-repudiate through digital signature. Storage and get proof of the e-evidence related to the contract effectively in order to enable the confidentiality of transmission of electronic contracts, integrity of data exchanging, non-repudiation of sending messages, certainty of the traders' identity, and also ensures the e-contract based on e-signature to be arbitrary and non-repudiation.This paper analyzes the market, application and security requirement of e-contract platform deeply, considers and designs every sector of how to embed the e-signature technology to the e-contract in detail, and describes contract solution based on e-signature technology. Next, the overall framework and capability mode of system is planned and designed. Rules of every capability mode is described, too. Then, technology solution of the relative system about the platform is introduced in detail. E-signature system, designing of trusted stamp system process and realization of system security are described in detail. Besides, the solution of information security problem is considered completely. Enable e-contract to be safe, convenient and high-effective by combining with PIK technology and solving the security problem of e-contract access with key technology.Nowadays, this platform has been in the process of trial. By the means of applying in the trial units, it is achieved to improve efficiency, reduce costs and get a good result. This platform is designed reasonably with the features of stability, scalability and being easy to use. There are over 20,000 e-license customers in the system of Shandong Industry and Commerce. The future aim will reach hundreds of thousands customers. Economic and social benefits are significant, which will provide the effective guarantee to the fast development of e-commerce in our province.