63 search results - page 5 / 13 » Vulnerabilities in Anonymous Credential Systems |
PKC
2009
Springer
14 years 10 months ago
2009
Springer
Abstract. The success of electronic authentication systems, be it eID card systems or Internet authentication systems such as CardSpace, highly depends on the provided level of use...
CCS
2008
ACM
13 years 11 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 ...
CCS
2007
ACM
14 years 4 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 3 months 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...
CMS
2006
13 years 11 months ago
2006
Reputation systems play an important role in many Internet communities. They allow individuals to estimate other individual's behavior during interactions. However, a more pri...