Integrity Constraints in Trust Management

Details Integrity Constraints in Trust Management Integrity Constraints in Trust Management

2005-03-23

arxiv.org/abs/cs/0503061v1

Computer Science

Cryptography and Security

An extended abstract appears in the proc. of the 10th ACM Symp. on Access Control Models and Technologies (SACMAT). 2005

Scientific paper

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.

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