Electronic Payment Password System Of The Overall Design And Security Design

The main job of this graduation thesis aimed to research and analyse the electronics payment cryptogram system (usually call the SZM system). This paper described the actual solution of the SZM system completely, and to the vital safety problem, this thesis also given out an improvement design in detail.This project has been integrated in the SZM19-A system, a product of the Jiangsu Guoguang Electronic Information Technology Co, Ltd. The SZM19-A system has passed the technology appraisal of the Committee of National Cipher Management, and also has passed the general test that was organized by the People's Bank of China. Now this product has been adopted by many kinds of Chinese commercial bank.This thesis introduced the project's background, analyzed it's operation and technology, proposed it's design fundamental,build it's architecture, and defined the main function. Further more, the thesis researched the project's security and proposed one effective solution.