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...
In this paper we analyze the requirements access control mechanisms must fulfill in the context of group communication and define a framework for supporting fine-grained access co...
PrincipalDomain is an administrative scoping construct for establishing security policies based on the principals invoking object services that may entail objects moving around a ...
—We propose an access control model that extends RBAC (Role-Based Access Control) to take time and location into account, and use term rewriting systems to specify access control...
—Role-based Access Control (RBAC) is one of the most widespread security mechanisms in use today. Given the growing complexity of policy languages and access control systems, ver...