%0 Journal Article %A GAI Xinmao %A SHEN Changxiang %A LI Yong %A LIU Yi %T Method for layering components towards structured protection %D 2011 %R %J Computer Engineering and Applications %P 25-28 %V 47 %N 36 %X It is stated in GB17859-1999 that the fourth level security information system must implement structured protection function,to which the availability way is dividing the system into different layers.Based on the ideology of Trusted Computing,by modeling the root of trust as the minimal element of a partial order set and using related knowledge about the complete partial order in set theory,a method for layering components of a system is proposed via dependencies between them,followed by the proof of the completeness of the method.Further discussion also shows that the method can be employed in many other aspects of strengthening the system’s security.
%U http://cea.ceaj.org/EN/abstract/article_27361.shtml