一种AJAX技术位图验证码系统认证方案  

A New Scheme of AJAX based validation code authorization system

作　　者：李京颐[1] 陈文力[1] 

机构地区：[1]北京联合大学旅游学院休闲与旅游管理系,北京100101

出　　处：《微计算机信息》2010年第12期85-86,89,共3页Control & Automation

摘　　要：Web认证系统已广泛应用于互联网的诸多领域,通过静态口令方式进行身份认证的安全性已成为Internet服务系统的隐患。引进验证码可增强Web认证系统的安全性,运用AJAX技术使用户界面更友好,同时也能减轻网络和服务器的负担。已在多个实际工程项目中成功应用,该原理同样适用于其它端到端即时通信的认证系统。Web authorization system has been widely used on internet,but there＇s still a serious problem in the internet services system if the authorization system only verify user name and password.This paper introduces a validation code based method which can enhance the security of web authorization system.Validation code is based on bitmap and created at random,and the image identification is the key to enhance the security.Web authorization system is applied to practice successfully in several projects,and it＇s also applicable in other authorization systems for peer-to-peer communication.

关 键 词：验证码 位图 AJAX MD5 异步模式 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]