【摘要】 网络中很多组播应用需要参与成员拥有多重访问权限,不同用户能获得不同层次的数据。提出多重组控制方案,使用分层式的密钥更新算法实现了多权限控制。更多还原

【Abstract】 There exists many group communication applications which needs multiple access privilege.These access controls provide the members the ability of obtaining different sets of data.Presents a multi-group access control scheme that achieves multi-privileged access by using multi-layer key management schemes.更多还原