%0 Journal Article
%T Research advances on role-based delegation authorization in trust management<br>信任管理中基于角色的委托授权研究进展*
%A ZHANG Zhi-yong
%A UANG Tao
%A <br>张志勇
%A 黄涛
%J 计算机应用研究
%D 2008
%I 
%X By the analysis of delegation essential features and application background,this paper surveyed existing delegation models and characteristics extensions, as well as their research progresses and applications in trust management addressed. Finally, it indicated some existing issues and future research directions.
%K distributed computing
%K access control
%K delegation authorization
%K trust management
%K certificate chain<br>分布式计算
%K 访问控制
%K 委托授权
%K 信任管理
%K 证书链
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=A9D9BE08CDC44144BE8B5685705D3AED&aid=DF8E3A1D0488DBD9CC96BC02B2358380&yid=67289AFF6305E306&vid=C5154311167311FE&iid=B31275AF3241DB2D&sid=D5BC5BD8C68CDE3A&eid=8A00F45CB16DF49C&journal_id=1001-3695&journal_name=计算机应用研究&referenced_num=0&reference_num=27