Integrity constraints in trust management


Etalle, Sandro and Winsborough, William H. (2005) Integrity constraints in trust management. [Report]

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Abstract:We introduce the use, monitoring, and enforcement of integrity constraints in trust management-style authorization systems. We consider what portions of the policy state must be monitored to detect violations of integrity constraints. Then we address the fact that not all participants in a trust management system can be trusted to assist in such monitoring, and show how many integrity constraints can be monitored in a conservative manner so that trusted participants detect and report if the system enters a policy state from which evolution in unmonitored portions of the policy could lead to a constraint violation.
Item Type:Report
Copyright:© 2005 CTIT
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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