Research And Realization Of Tax And Fees Prompt Deduction Or Payment System

In recent years,tax revenue information has been developing rapidly and tax offices have developed many kinds of declarations such as electronic declaration ,postal declaration and so on.Meanwhile tax payment has also restrict the promotion of all kinds of declaration methods.The establishment of tax and fees prompt deduction or payment system has efficiently solve the problem of tax and fees payment.This article makes a study of the realization of tax and fees prompt deduction or payment system.It mainly includes the following parts.The first part is the relative characteristics between distributions system and prompt style system,the research and relation of key technology.The second part is the designing the frame of the internet system of tax and fees,disposing every part of the system to become independent intermediate,the installing according to different needs by using processing communication technology.The third part is completion of the design of the promptness of the system,the study of data delay and the methods of controlling time,the distinguishing of out-of-date information by using time stamp etc to meet different needs.The fourth part is the using socket under linux condition to effectiveness.The fifth part is the strengthening of secure design of internet system to check the communicative client's identity by method of checking identity system to ensure the security of document origin,to ensure the data which can't be destroyed on the base of checking method of DES and MAC,then to lock DES lock of data to ensure the data security in delivery,to strengthen the management of lock to improve the lock management security.The article makes a study of how to convey data between systems by using C language under linux condition,to set up effective connections to meet prompt needs and...