Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
Efficient Group Signature Schemes for Large Groups (Extended Abstract)
CRYPTO '97 Proceedings of the 17th Annual International Cryptology Conference on Advances in Cryptology
An Efficient System for Non-transferable Anonymous Credentials with Optional Anonymity Revocation
EUROCRYPT '01 Proceedings of the International Conference on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
Some Open Issues and New Directions in Group Signatures
FC '99 Proceedings of the Third International Conference on Financial Cryptography
A taxonomy and classification of web service QoS elements
International Journal of Communication Networks and Distributed Systems
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In pervasive computing environments, a priori trust among parties is lacking. New mechanisms are required in order to build trust without relying on existing relationships. We present a solution to establish trust based on a history of previous interactions among parties. Past interactions can be proven while assuring the untraceability and anonymity of provers.