Security without identification: transaction systems to make big brother obsolete
Communications of the ACM
A digital signature scheme secure against adaptive chosen-message attacks
SIAM Journal on Computing - Special issue on cryptography
Provably secure session key distribution: the three party case
STOC '95 Proceedings of the twenty-seventh annual ACM symposium on Theory of computing
Crowds: anonymity for Web transactions
ACM Transactions on Information and System Security (TISSEC)
Building consumer trust online
Communications of the ACM
Cross-domain one-shot authorization using smart cards
Proceedings of the 7th ACM conference on Computer and communications security
Communications of the ACM
Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
Practical Intranet Security: Overview of the State of the Art and Available Technologies
Practical Intranet Security: Overview of the State of the Art and Available Technologies
Anonymity and accountability in self-organizing electronic communities
Proceedings of the 2002 ACM workshop on Privacy in the Electronic Society
E-P3P privacy policies and privacy authorization
Proceedings of the 2002 ACM workshop on Privacy in the Electronic Society
XOR MACs: New Methods for Message Authentication Using Finite Pseudorandom Functions
CRYPTO '95 Proceedings of the 15th Annual International Cryptology Conference on Advances in Cryptology
Public-key encryption in a multi-user setting: security proofs and improvements
EUROCRYPT'00 Proceedings of the 19th international conference on Theory and application of cryptographic techniques
Platform for enterprise privacy practices: privacy-enabled management of customer data
PET'02 Proceedings of the 2nd international conference on Privacy enhancing technologies
Anonymous connections and onion routing
IEEE Journal on Selected Areas in Communications
A method for access authorisation through delegation networks
ACSW Frontiers '06 Proceedings of the 2006 Australasian workshops on Grid computing and e-research - Volume 54
Secure and auditable agent-based e-marketplace framework for mobile users
Computer Standards & Interfaces
Decentralized generation of multiple, uncorrelatable pseudonyms without trusted third parties
TrustBus'11 Proceedings of the 8th international conference on Trust, privacy and security in digital business
Anonymous reputation based reservations in e-commerce (amnesic)
Proceedings of the 13th International Conference on Electronic Commerce
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A novel user-centric authorisation framework suitable for e-commerce in an open environment is proposed. The credential-based approach allows a user to gain access rights anonymously from various service providers who may not have pre-existing relationships. Trust establishment is achieved by making use of referrals from external third parties in the form of Anonymous Attribute Certificates. The concepts of One-task Authorisation Key and Binding Signature are proposed to facilitate pseudonymity in authorisation service. These mechanisms enhance user privacy and tackle the problem of scalability in identity-based access control systems.