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    March 19

    支付网关

      1、什么是支付网关
      支付网关(Payment Gateway)是银行金融网络系统和Internet网络之间的接口,是由银行操作的将Internet上传输的数据转换为金融机构内部数据的一组服务器设备,或由指派的第三方处理商家支付信息和顾客的支付指令。
      支付网关可确保交易在Internet用户和交易处理商之间安全、无缝的传递,并且无需对原有主机系统进行修改。它可以处理所有Internet支付协议,Internet安全协议,交易交换,信息及协议的转换以及本地授权和结算处理。另外,它还可以通过设置来满足特定交易处理系统的要求。离开了支付网关,网络银行的电子支付功能也就无法实现。
      2、支付网关的主要功能
      将Internet传来的数据包解密,并按照银行系统内部的通信协议将数据重新打包;接收银行系统内部的传回来的响应消息,将数据转换为Internet传送的数据格式,并对其进行加密。即支付网关主要完成通信、协议转换和数据加解密功能,以保护银行内部网络。
      具体的说,银行使用支付网关可以实现一下功能:
      (1)配置和安装Internet支付能力;
      (2)避免对现有主机系统的修改;
      (3)采用直观的用户图形接口进行系统管理;
      (4)适应诸如扣帐卡、电子支票、电子现金以及微电子支付等电子支付手段;
      (5)提供完整的商户支付处理功能,包括授权、数据捕获和结算及对帐等;
      (6)通过对Internet上交易的报告和跟踪,对网上活动进行监视;
      (7)通过采用RSA公共密钥加密和SET协议,可以确保网络交易的安全性;
      (8)使Internet的支付处理过程与当前支付处理商的业务模式相符,确保商户信息管理上的一致性,并为支付处理商进入Internet交易处理提供机会。
      3、支付网关系统的组成
      (1)主控模块;
      (2)通信模块;
      (3)数据处理模块;
      (4)数据库模块;
      (5)统计清算模块;
      (6)查询打印模块;
      (7)系统管理功能设计模块;
      (8)异常处理模块;
      (9)安全模块。
      4、支付网关的工作流程
      第一步,商业客户向销售商订货,首先要发出“用户订单”,该订单应包括产品名称、数量等等一系列有关产品问题。
      第二步,销售商收到“用户订单”后,根据“用户订单”的要求向供货商查询产品情况,发出“订单查询”。
      第三步,供货商在收到并审核完“订单查询”后,给销售商返回“订单查询”的回答。基本上是有无货物等情况。
      第四步,销售商在确认供货商能够满足商业客户“用户订单”要求的情况下,向运输商发出有关货物运输情况的“运输查询”。
      第五步,运输商在收到“运输查询”后,给销售商返回运输查询的回答。如:有无能力完成运输,及有关运输的日期、线路、方式等等要求。
      第六步,在确认运输无问题后,销售商即刻给商业客户的“用户订单”一个满意的回答,同时要给供货商发出“发货通知”,并通知运输商运输。
      第七步,运输商接到“运输通知”后开始发货。接着商业客户向支付网关发出“付款通知”。
      支付网关和银行结算票据等。
      第八步,支付网关向销售商发出交易成功的“转账通知”。
     
     
     
     
    A payment gateway is an e-commerce application service provider service that authorizes payments for e-businesses, online retailers, bricks and clicks, or traditional brick and mortar. It is the equivalent of a physical point of sale terminal located in most retail outlets. Payment gateway protects credit cards details encrypting sensitive information, such as credit card numbers, to ensure that information passes securely between the customer and the merchant and also between merchant and payment processor.
     

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