| With the continually development of modern computer science, more and more up-to-date IT technologies have been applied in the industry of telecommunication. On one hand, these technologies both improve the efficiency and enhance the competition of the telecommunication system; on the other hand , they make the innovation of telecommunication products and services possible. The CPS (Cell phone Payment System) is a brand new payment tool born in this background.The CPS, which is a combination of various new technologies, is supposed to run on many different hardware and software platforms. In this case, the system must implement the communications between different banking systems and make possible the interaction with the exterior devices. Also the security and integrity should be ensured strictly. In response to the major problems that appear in the task implementation, this paper makes the most effort on analyzing the package sending mode and security mechanism. The system uses a front-end processor to solve the package-sending problem. The machine uses the TCP/IP protocol to communicate with the People's Bank's front-end processor and uses the SNA LU62 protocol to communicate with the merchant bank's AS/400. At the same time, the EPS establishes an integrated pin protect subsystem successfully with the encrypt card,pin encrypt machine and encrypted pin pad. The subsystem enables the customer pin encrypted during the communication period.The CPS provides the customer a completely different payment experience. Customer can process most pay operations in banks that have attended the system without shuttle between banks. Further more, when transactions occurred, the fund will be paid in real time. Those feathers save the customer's time greatly, stop the impropriation of the in way fund, reduce the risk in the payment transaction and improve the employ efficiency of the fund. |
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