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WPES
2004
ACM
14 years 4 months ago
Hidden access control policies with hidden credentials
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...
Keith B. Frikken, Mikhail J. Atallah, Jiangtao Li
CCS
2005
ACM
14 years 4 months ago
Automated trust negotiation using cryptographic credentials
In automated trust negotiation (ATN), two parties exchange digitally signed credentials that contain attribute information to establish trust and make access control decisions. Be...
Jiangtao Li, Ninghui Li, William H. Winsborough
INFOCOM
2005
IEEE
14 years 4 months ago
Optimizing cost-sensitive trust-negotiation protocols
Trust negotiation is a process that establishes mutual trust by the exchange of digital credentials and/or guiding policies among entities who may have no pre-existing knowledge a...
Weifeng Chen, L. Clarke, James F. Kurose, Donald F...
ESWS
2004
Springer
14 years 2 months ago
No Registration Needed: How to Use Declarative Policies and Negotiation to Access Sensitive Resources on the Semantic Web
Gaining access to sensitive resources on the Web usually involves an explicit registration step, where the client has to provide a predetermined set of information to the server. T...
Rita Gavriloaie, Wolfgang Nejdl, Daniel Olmedilla,...
CCS
2004
ACM
14 years 4 months ago
Concealing complex policies with hidden credentials
Hidden credentials are useful in protecting sensitive resource requests, resources, policies, and credentials. We propose a significant performance improvement when implementing ...
Robert W. Bradshaw, Jason E. Holt, Kent E. Seamons