Security without identification: transaction systems to make big brother obsolete
Communications of the ACM
A secure and privacy-protecting protocol for transmitting personal information between organizations
Proceedings on Advances in cryptology---CRYPTO '86
Rethinking Public Key Infrastructures and Digital Certificates: Building in Privacy
Rethinking Public Key Infrastructures and Digital Certificates: Building in Privacy
Dynamic Accumulators and Application to Efficient Revocation of Anonymous Credentials
CRYPTO '02 Proceedings of the 22nd Annual International Cryptology Conference on Advances in Cryptology
Payment Systems and Credential Mechanisms with Provable Security Against Abuse by Individuals
CRYPTO '88 Proceedings of the 8th Annual International Cryptology Conference on Advances in Cryptology
Proceedings of the International Conference on Cryptography: Policy and Algorithms
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We show the following:(i)In existing anonymous credential revocation systems, the revocation authority can link the transactions of any user in a subset T of users in O(log|T|) fake failed sessions. (ii)A concern about the DLREP-I anonymous credentials system described in [Stefan Brands: Rethinking public key infrastructure and Digital Certificates; The MIT Press, Cambridge Massachusetts, London England. ISBN 0-262-02491-8] and [Stefan Brands: A Technical Overview of Digital Credentials; February 2002 (was a white paper in credentica.com)].