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CSFW
2004
IEEE
13 years 8 months ago
Modelling Downgrading in Information Flow Security
Information flow security properties such as noninterference ensure the protection of confidential data by strongly limiting the flow of sensitive information. However, to deal wi...
Annalisa Bossi, Carla Piazza, Sabina Rossi
CSFW
2004
IEEE
13 years 8 months ago
Secure Information Flow by Self-Composition
Non-interference is a high-level security property that guarantees the absence of illicit information leakages through executing programs. More precisely, non-interference for a p...
Gilles Barthe, Pedro R. D'Argenio, Tamara Rezk
CSFW
2004
IEEE
13 years 8 months ago
Cassandra: Flexible Trust Management, Applied to Electronic Health Records
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...
Moritz Y. Becker, Peter Sewell
CSFW
2004
IEEE
13 years 8 months ago
The Consistency of Task-Based Authorization Constraints in Workflow Systems
Workflow management systems (WFMSs) have attracted a lot of interest both in academia and the business community. A workflow consists of a collection of tasks that are organized t...
Kaijun Tan, Jason Crampton, Carl A. Gunter