The Study Of Digital Signature Technology And Application In Military Worknet Security

Currently, with the military's informationization rapid development, the problem of information network security is increasing evidently. So it is necessary to construct rapidly a system of the information network security whose technique is advanced, management is high effective, peacetime and wartime can be combined, and which is secure and reliable. The military's informationization in the world nowadays has indicated that the higher the informationization level of a military has, the more dependent on the network system it is ,and the more evident the problem of security of information network is. Only building a security and effective the network system can really exert present its benefit on military affairs.Because the military information is serving for fight, most of detecting information andfighting orders are transforming in the military network..Therefore, it is forbidden to damage our milirary worknet and lose military information during the war. It is a big affect,if military worknet is damaged,or important imformation is knowed by enemy. because the military network is a private network ,it improved the securities of military network to some extent.On the other hand, the military network has some other security problems because of the separation of every military places. One of these problems that physical linking circuit and access point have some unsafe factors may expose the access to the military network and then destroy the whole military network .Therefore, in order to protect the safe of arms in the battle and secure the victory of war,It is very necessary to research the securities of military network..The technology of digital signature becomes the research focus these days in the field ofinformation security, which can be used in E-Commerce, E-Government, and Electronic Data Interchange (EDI) and so on, thus making some advanced application possible. At present the research of digital signature is more about theory than application at home and abroad. The application in military worknet just starts and mostly uses the system based on IDlpassword; the application of digital signature and digital certificate is few.This thesis mainly includes several parts to discuss the application of the digital signature technique on the military worknet At the first, we introduce the definition, principle and wide application prospect of digital signature technique. In the second part, the general digital signature algorithms in digital signature technique are analyzed and compared, and by studying the algorithm we choose the safe and practical algorithm. In the third part, after analyzing the information security of military worknet in China, for the situation of military worknet in our country, we propose a PKI trust model, some application mode of digital signature, and some digital signature schemes. In the fourth part, based on the new digital signature schemes, a system of digital signature is carried out and applied in the military worknet system. It offers effective information safety assurance for military worknet system. Finally, we also give out some future research direction about the application of the digital signature technique in the military worknet according to the present developing status.