A Linear Time Algorithm for Deciding Subject Security
Journal of the ACM (JACM)
A lattice model of secure information flow
Communications of the ACM
The transfer of information and authority in a protection system
SOSP '79 Proceedings of the seventh ACM symposium on Operating systems principles
Hierarchical protection systems
Hierarchical protection systems
Network vulnerability analysis through vulnerability take-grant model (VTG)
ICICS'05 Proceedings of the 7th international conference on Information and Communications Security
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The application of the Take-Grant Protection Model to hierarchical protection systems is explored. The proposed model extends the results of Wu [7] and applies the results of Bishop and Snyder [2] to obtain necessary and sufficient conditions for a hierarchical protection graph to be secure. In addition, restrictions on the take and grant rules are developed that ensure the security of all graphs generated by these restricted rules.