电子政务系统安全体系设计及实现软件工程专业论文.docxVIP

3．提出ISSE信息系统安全工程模型，并以此为指导模型，以某 3．提出ISSE信息系统安全工程模型，并以此为指导模型，以某 省电子政务系统为例，构建全省党政网信息安全保障体系，详细设计 了一个较完整的技术实施保障体系。 4．研究和设计一个简单的基于PKI的电子印章系统。主要在理论 上研究了一个基于PKI的电子印章系统的基本构成和功能，为开发基 于Word的电子印章系统打下理论基础。 5．设计基于Word的电子印章系统。实现基于Word文档的签章， 流程图看似很简单，但其中隐藏了很多难点，除了数字签名和Hash 函数等技术的实现以外，还有对Word文档的结构的分析，Word软件 的编程接口的使用等。 关键字：信息安全，电子政务，电子印章，数字签名， Word二次开 发 n THE THE DESIGN AND IⅣ田LEMEN枷ON OF SECURE E—GOVERNⅣ匝NT SYSTEM ABSTRACT With the fast development of IT in the world．especially the universality of Internet，the development of the E．government iS becoming one of the most important realms in information．The E—government is an important part in government information，and the process of government information iS a process of the E．government developing．In order to improve service ability,the Party of 1 6th Meeting put forward the further change at govemment function definitely, improves management，push forward the E—government construction． With the support of the country,the E—govemment made great Success and the market scale extended continuously．Wre emphasize the safety in the E—govemment system construction and its movement processes．In order to ensure the E-govemment process，the IT-field put forward some models，such as ISSE model，and SO on．The measures which ensure the safe guarantee of the E—government is a lot，such as data encrypting technique，information concealing technique,safe authentication technique，the public key infrastructure PⅪtechnique，virus against technique，fire wall technique，Identification System technique，physics separate and theⅥ)N etc．Among them，the leading，strengthening information safety and the Net trust building whose core is the cryptogram technique is guidance thought put forward by central office’S the No．27 file．The No．27 file iS important which iS approved by the Party and the State Department．So，the information safety iS a basic guarantee in the E—govemment，the nation information protection and political steady． This thesis sets out from the guarantee