| The front-end system of bank card in payment environment has emerged more and more problems from the limitation owing to the outdated technology and operation process, such as: the scarcity of muilt-channel support, the slow processing speed of transaction and the security bugs etc. , thus it is obvious and urgent to research and develop a new stable front-end system. Based on the demands of banking,the Large-scale BankCard Front-end System (LBFS) has been developed by us.The core function of LBFS is transaction processing, which consists of the transaction input, kernel switch and interface transaction transfer. The module of transaction input uniquely takes charge of the various bank card transaction acquire terminal units(such as POS, ATM etc.), as well as telehpone bank and online bank to accomplish the muilt-channel delivery. The service interface,formed by module and groupware, transfers the transaction to each operation processing system or exchange system, and accordingly to complete the course of transaction processing. Examining the validity of transaction,transfering the choose of route and conducting the transaction logs, the module of kernel switch utilizes the flexible communication process of UNIX system and advanced database technology to finish the transaction processing with accuracy and high effective.The data safety of transaction processing is significant for bank card payment environment. LBFS has been guaranteed availably the security of system processing by establishing a reliable security management mechanism,and assured the data's integrality and credibility, and so faithfully decreased the leak of sensitive traffic(i.e PIN or magnetic stripe) by implementing rigorous encryption technology.This paper specially introduced the methods of transaction processing and data safety, meanwhile it formulated the general application design and correlative central modules. In the finality, the problems requiring further studies are discussed. |
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