跪求java大神 急！！！spring security 跟 shiro 问题

[qinqi0517]

spring security 跟 shiro 除了在程序中有 加密 权限控制 单点登录 还有其他什么主要作用？？？跪求！！！

[lvzg_005]

1.Authenticate a user to verify their identity 2.Perform access control for a user 3.Use a Session API in any environment, even without web or EJB containers. 4.React to events during authentication, access control, or during a session's lifetime 5.Enable Single Sign On (SSO) functionality 6.Enable 'Remember Me' services for user association without login 7.Aggregate 1 or more data sources of user security data and present this all as a single composite user 'view'.