In an open environment such as the Internet, the decision to collaborate with a stranger (e.g., by granting access to a resource) is often based on the characteristics (rather tha...
In automated trust negotiation (ATN), two parties exchange digitally signed credentials that contain attribute information to establish trust and make access control decisions. Be...
The secure release of identity attributes is a key enabler for electronic business interactions. In particular, integrity and confidentiality of identity attributes are two key re...
Federica Paci, David Bauer, Elisa Bertino, Douglas...
—Open distributed environments such as the World Wide Web facilitate information sharing but provide limited support to the protection of sensitive information and resources. Tru...
Piero A. Bonatti, Juri Luca De Coi, Daniel Olmedil...
To ensure that a trust negotiation succeeds whenever possible, authorization policy compliance checkers must be able to find all minimal sets of their owners' credentials tha...