102 search results - page 3 / 21 » Security Analysis and Fix of an Anonymous Credential System |
WPES
2003
ACM
14 years 20 days ago
2003
ACM
We present a model and protocol for anonymous credentials. Rather than using deterrents to ensure non-transferability, our model uses secure hardware with biometric authentication...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
Several credential systems have been proposed in which users can authenticate to services anonymously. Since anonymity can give users the license to misbehave, some variants allow...
CRYPTO
2004
Springer
14 years 25 days ago
2004
Springer
Abstract. We propose a new and efficient signature scheme that is provably secure in the plain model. The security of our scheme is based on a discrete-logarithm-based assumption p...
IAT
2006
IEEE
14 years 1 months ago
2006
IEEE
Trust negotiation makes it possible for two parties to carry on secure transactions by first establishing trust through a bilateral, iterative process of requesting and disclosin...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
We extend the Camenisch-Lysyanskaya anonymous credential system such that selective disclosure of attributes becomes highly efficient. The resulting system significantly improves ...