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ESORICS
2006
Springer
15 years 10 months ago
Secure Key-Updating for Lazy Revocation
Abstract. We consider the problem of efficient key management and user revocation in cryptographic file systems that allow shared access to files. A performanceefficient solution t...
Michael Backes, Christian Cachin, Alina Oprea
ESORICS
2006
Springer
15 years 10 months ago
Reducing the Dependence of SPKI/SDSI on PKI
Abstract. Trust-management systems address the authorization problem in distributed systems. They offer several advantages over other approaches, such as support for delegation and...
Hao Wang, Somesh Jha, Thomas W. Reps, Stefan Schwo...
ACSAC
2001
IEEE
15 years 10 months ago
eXpert-BSM: A Host-Based Intrusion Detection Solution for Sun Solaris
eXpert-BSM is a real time forward-reasoning expert system that analyzes Sun Solaris audit trails. Based on many years of intrusion detection research, eXpert-BSM's knowledge ...
Ulf Lindqvist, Phillip A. Porras
CCS
2008
ACM
15 years 8 months ago
A class of probabilistic models for role engineering
Role Engineering is a security-critical task for systems using role-based access control (RBAC). Different role-mining approaches have been proposed that attempt to automatically ...
Mario Frank, David A. Basin, Joachim M. Buhmann
CCS
2008
ACM
15 years 8 months ago
A formal framework for reflective database access control policies
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege contained in an acce...
Lars E. Olson, Carl A. Gunter, P. Madhusudan