We address the programmatic realization of the access control model of security in distributed systems. Our aim is e the gap between abstract/declarative policies and their concre...
Andrew Cirillo, Radha Jagadeesan, Corin Pitcher, J...
We introduce the concept of attribute-based authenticated key exchange (AB-AKE) within the framework of ciphertext policy attribute-based systems. A notion of AKE-security for AB-A...
M. Choudary Gorantla, Colin Boyd, Juan Manuel Gonz...
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...
Abstract. Security policies, in particular access control, are fundamental elements of computer security. We address the problem of authoring and analyzing policies in a modular wa...
Abstract. The frameworks for protecting security and privacy can be effective only if common users--with no training in computer science or logic--increase their awareness and cont...