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IFIP11
2004
110views Business» more  IFIP11 2004»
14 years 9 days ago
A Security Model for Anonymous Credential Systems
This paper proposes a formal model of the Bellare-Rogaway type [1] that enables one to prove the security of an anonymous credential system in a complexity theoretic framework. Th...
Andreas Pashalidis, Chris J. Mitchell
SPW
2004
Springer
14 years 4 months ago
Limits to Anonymity When Using Credentials
This paper identifies certain privacy threats that apply to anonymous credential systems. The focus is on timing attacks that apply even if the system is cryptographically secure....
Andreas Pashalidis, Chris J. Mitchell
ACNS
2008
Springer
94views Cryptology» more  ACNS 2008»
14 years 5 months ago
PPAA: Peer-to-Peer Anonymous Authentication
In the pursuit of authentication schemes that balance user privacy and accountability, numerous anonymous credential systems have been constructed. However, existing systems assume...
Patrick P. Tsang, Sean W. Smith
PKC
2009
Springer
210views Cryptology» more  PKC 2009»
14 years 11 months ago
Controlling Access to an Oblivious Database Using Stateful Anonymous Credentials
In this work, we consider the task of allowing a content provider to enforce complex access control policies on oblivious protocols conducted with anonymous users. As our primary ...
Scott E. Coull, Matthew Green, Susan Hohenberger