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» Risk management in dynamic role based access control systems
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SP
2002
IEEE
200views Security Privacy» more  SP 2002»
13 years 7 months ago
Design of a Role-Based Trust-Management Framework
We introduce the RT framework, a family of Rolebased Trust-management languages for representing policies and credentials in distributed authorization. RT combines the strengths o...
Ninghui Li, John C. Mitchell, William H. Winsborou...
MMMACNS
2005
Springer
14 years 1 months ago
A Modal Logic for Role-Based Access Control
Making correct access-control decisions is central to security, which in turn requires accounting correctly for the identity, credentials, roles, authority, and privileges of users...
Thumrongsak Kosiyatrakul, Susan Older, Shiu-Kai Ch...
SACMAT
2005
ACM
14 years 1 months ago
Purpose based access control of complex data for privacy protection
As privacy becomes a major concern for both consumers and enterprises, many research efforts have been devoted to the development of privacy protecting technology. We recently pr...
Ji-Won Byun, Elisa Bertino, Ninghui Li
ATAL
2005
Springer
14 years 1 months ago
Access control with safe role assignment for mobile agents
Mobile agent systems provide new perspectives for distributed e-commerce applications. Sea-of-Data (SoD) applications are those that need to process huge quantities of distributed...
Guillermo Navarro, Joan Borrell, Jose A. Ortega-Ru...
ICDCS
2002
IEEE
14 years 15 days ago
dRBAC: Distributed Role-based Access Control for Dynamic Coalition Environments
Distributed Role-Based Access Control (dRBAC) is a scalable, decentralized trust-management and accesscontrol mechanism for systems that span multiple administrative domains. dRBA...
Eric Freudenthal, Tracy Pesin, Lawrence Port, Edwa...