Research On Security Of Network Payment System Based On Internet

Electronic money is the product of the information age.Carrier of human history have used many items as money,such as shell,copper and iron,gold and silver notes.After the founding of a period of time,the exchange also used the form of the work points of labor and goods in small range.This may be the first time in the era of credit money,there is no kind of money as a carrier form.After entering the era of the Internet,this form of direct substitution of currency instead of money,has been further Applied,thus forming the embryonic form of electronic money.The convenience of electronic money transactions,storage security and the issue of controllability,making the electronic currency in some special trading environment,has become an irreplaceable currency varieties.For example,in the nearly two years of cross-border currency exchange,bitcoin has successfully replaced the dollar,has become a shortcut to asset transfer to overseas investors the domestic part of the bitcoin investment value after this service has been greatly recognized by investors.However,the characteristics of the online payment system make it difficult to identify the identity of the user.This is the biggest threat to online payment system is the security threat.The success of the Internet lies in its openness,but the Internet is also threatened by its openness.The advantages of online payment system and the lack of security are also caused by openness.In this thesis,the development of e-commerce,e-commerce transaction process,based on the Internet online payment in e-commerce Applications were studied.This paper analyzes the function and Application of electronic money,online payment system,credit card payment system,electronic cash payment system,electronic check payment system and electronic bank payment system.This paper studies the security technologies used in the online payment,and analyzes the protocol used in the online payment.Finally,the paper designs the security payment model of bank card,and implements the encryption algorithm.