We describe a layered approach to access control for distributed and interoperable computing systems. Firstly, compound access control policies are conceptually specified, using ...
—Access control is one of the most important security mechanisms in cloud computing. Attribute-based access control provides a flexible approach that allows data owners to integ...
Yan Zhu, Hongxin Hu, Gail-Joon Ahn, Dijiang Huang,...
Abstract—An administrative role-based access control (ARBAC) model specifies administrative policies over a role-based access control (RBAC) system, where an administrative perm...
Min Xu, Duminda Wijesekera, Xinwen Zhang, Deshan C...
ot only high level description of abstract policy, but also enables such policy to be refined and eventually mapped into an appropriate configuration for controlling devices in the...
This paper introduces a context-aware authorization architecture that is designed to augment existing network security protocols in an Intranet environment. It describes the archi...