The Solution Of Internet Taxpaying Based On PKI Technology And Digital Signature

In the Taxpaying, the security of the tax files need to reach the OSI security standards, which is instituted by ISO. It is necessary to realize the effective security mechanisms including access control, authenticity, integrality and non-repudiation in the Internet. This paper is based on studying and researching the theory of PKI, which include PKI's basic conception, the symmetrical encryption arithmetic, the dissymmetrical arithmetic, the Message Authentication Code technology, the Digital Signature and the PKI's system structure and application configuration. It also has a research of the Taxpaying work process. After that, a solution of Internet Taxpaying based on PKI technology and digital signature is designed, which protects the security of tax information. At last according to the writer's research and navigation in the State Administration of Taxationopen, source software is used to realize the solution, which is quite creationary in the government and public sections.In this paper, open source software is used to realize the system. The database is PostgreSQL and the Web service is Tomcat of Apache, which are all free open source products. Using theses softwares can reduce the cost of developing the system and improve the feasibility of the system in economics. This method is also fit in with the development trend of using open standard and open source software in the government and public sections. It can protect the government's equality and finance income. Using open source software has fantastic significance in saving the state finance, establishing the China's innovative system and promoting the development of our open source technology.