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TrustedRBAC is a scalable, decentralized trust-management and access control mechanism for systems that span multiple autonomous domains. We utilize X.509 attri- bute certificates to define trust domains, roles to define controlled activities, and role delegation across domains to represent permissions to these activities. This paper describes the TrustedRBAC model and its scalable design and implementation.
TrustedRBAC is a scalable, decentralized trust-management and access control mechanism for systems that span multiple autonomous domains. We speak X.509 attri- bute certificates to define trust domains, roles to define controlled activities, and role delegation across domains to represent permissions to these activities. This paper describes the TrustedRBAC model and its scalable design and implementation.