—Despite the wide adoption by the scientific community, grid technologies have not been given the appropriate attention by enterprises. This is merely due to the lack of enough s...
Abstract. We present a new model that provides clear and precise semantics for authorization. The semantics is independent from underling security mechanisms and is separate from i...
The challenge for user authentication in a global file system is allowing people to grant access to specific users and groups in remote administrative domains, without assuming ...
Michael Kaminsky, George Savvides, David Mazi&egra...
In this paper we present our authorization framework that supports the dynamic set-up of Web service federations for sharing data within virtual federations. Building on previous w...
We describe the design and implementation of a security infrastructure for a distributed Java application. This work is inspired by SDSI/SPKI, but has a few twists of its own. We ...