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SACMAT
2003
ACM
16 years 4 days ago
An approach to engineer and enforce context constraints in an RBAC environment
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
Gustaf Neumann, Mark Strembeck
ASIACRYPT
2003
Springer
16 years 3 days ago
Accumulating Composites and Improved Group Signing
Constructing practical and provably secure group signature schemes has been a very active research topic in recent years. A group signature can be viewed as a digital signature wit...
Gene Tsudik, Shouhuai Xu
ISCIS
2003
Springer
16 years 2 days ago
Design of a Log Server for Distributed and Large-Scale Server Environments
Collection, storage and analysis of multiple hosts’ audit trails in a distributed manner are known as a major requirement, as well as a major challenge for enterprise-scale compu...
Attila Özgit, Burak Dayioglu, Erhan Anuk, Ina...
EUROSYS
2010
ACM
15 years 12 months ago
Policy-based access control for weakly consistent replication
Combining access control with weakly consistent replication presents a challenge if the resulting system is to support eventual consistency. If authorization policy can be tempora...
Ted Wobber, Thomas L. Rodeheffer, Douglas B. Terry
TRUST
2010
Springer
15 years 12 months ago
A Pairing-Based DAA Scheme Further Reducing TPM Resources
Direct Anonymous Attestation (DAA) is an anonymous signature scheme designed for anonymous attestation of a Trusted Platform Module (TPM) while preserving the privacy of the devic...
Ernie Brickell, Jiangtao Li