We present FRAC, a Framework for Role-based Access Control in network file systems. FRAC is a reference monitor that controls the message flow between file system clients and s...
The Paranoid file system is an encrypted, secure, global file system with user managed access control. The system provides efficient peer-to-peer application transparent file ...
Using certificates for distributed authorizations in computer network systems has been discussed in the literature. However real implementations of the concept are rarely seen. In...
Trust management credentials directly authorize actions, rather than divide the authorization task into authentication and access control. Unlike traditional credentials, which bi...
Stefan Miltchev, Vassilis Prevelakis, Sotiris Ioan...