PRUNES: an efficient and complete strategy for automated trust negotiation over the Internet
Proceedings of the 7th ACM conference on Computer and communications security
Interoperable strategies in automated trust negotiation
CCS '01 Proceedings of the 8th ACM conference on Computer and Communications Security
ACM Transactions on Information and System Security (TISSEC)
Protecting sensitive attributes in automated trust negotiation
Proceedings of the 2002 ACM workshop on Privacy in the Electronic Society
Towards Practical Automated Trust Negotiation
POLICY '02 Proceedings of the 3rd International Workshop on Policies for Distributed Systems and Networks (POLICY'02)
Automated trust establishment in open systems
Automated trust establishment in open systems
The Grid 2: Blueprint for a New Computing Infrastructure
The Grid 2: Blueprint for a New Computing Infrastructure
Trust-X: A Peer-to-Peer Framework for Trust Establishment
IEEE Transactions on Knowledge and Data Engineering
Trust Negotiations: Concepts, Systems, and Languages
Computing in Science and Engineering
Collaborative Automated Trust Negotiation in Peer-to-Peer Systems
P2P '04 Proceedings of the Fourth International Conference on Peer-to-Peer Computing
Automated trust negotiation using cryptographic credentials
Proceedings of the 12th ACM conference on Computer and communications security
Achieving Privacy in Trust Negotiations with an Ontology-Based Approach
IEEE Transactions on Dependable and Secure Computing
Secure knowledge management: confidentiality, trust, and privacy
IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans
A dynamic privacy model for web services
Computer Standards & Interfaces
Introducing a cross federation identity solution for converged network environments
Principles, Systems and Applications of IP Telecommunications
Modeling and negotiating service quality
Service research challenges and solutions for the future internet
An XML-based protocol for improving trust negotiation between Web Services
Proceedings of the 27th Annual ACM Symposium on Applied Computing
An ontology-based approach to automated trust negotiation
Computer Standards & Interfaces
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Traditional security model, where the identity of all possible requesting subjects must be pre-registered in advance, is not suitable for the distributed applications with strong real-time requirements, especially recently popular P2P networks and Grid computing. A promising approach is represented by automated trust negotiation, which establishes trust between strangers through the exchange of digital credentials and the use of access control policies. An automated trust negotiation strategy needs to be adopted to establish trust between two parties based on their disclosure policies. Previously proposed negotiation strategies may fail when in fact success is possible, disclose irrelevant credentials, or have high communication or computational complexity. In this paper, we model the policies participating trust negotiation as Negotiation Petri Net and propose a trust negotiation Strategy based on Negotiation Petri Net (SNPN) by combining the characteristics of Negotiation Petri Net architecture with the behaviors of auto trust negotiation. We prove that SNPN is efficient with O(n) communication complexity and O(nm) computational complexity including Negotiation Petri Net building process and the negotiation process in the worst case, where n is the number of credentials and m is the size of the credential disclosure policies. Meanwhile SNPN is complete and makes sure that no irrelevant credentials will be disclosed during negotiations.