BMP validation code based Web authorization system and its applications
基于位图校验码方法的Web认证系统及其应用

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 was introduced.Validation code was based on bitmap and created at random,and the image identification was the key to enhance the security.Web authorization system was applied to practice successfully in several projects,and it's also applicable in other authorization systems for peer-to-peer communication.