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» Event Systems and Access Control
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DBSEC
2004
83views Database» more  DBSEC 2004»
15 years 7 months ago
Attribute Mutability in Usage Control
The notion of Usage Control (UCON) has been introduced recently to extend traditional access controls by including three decision factors called authorizations, obligations, and co...
Jaehong Park, Xinwen Zhang, Ravi S. Sandhu
RTAS
2007
IEEE
16 years 10 days ago
Middleware Support for Aperiodic Tasks in Distributed Real-Time Systems
Many mission-critical distributed real-time applications must handle aperiodic tasks with end-to-end deadlines. However, existing middleware (e.g., RT-CORBA) lacks schedulability ...
Yuanfang Zhang, Chenyang Lu, Christopher D. Gill, ...
DBSEC
2009
110views Database» more  DBSEC 2009»
15 years 7 months ago
Distributed Privilege Enforcement in PACS
Abstract. We present a new access control mechanism for P2P networks with distributed enforcement, called P2P Access Control System (PACS). PACS enforces powerful access control mo...
Christoph Sturm, Ela Hunt, Marc H. Scholl
ESORICS
2009
Springer
16 years 6 months ago
PCAL: Language Support for Proof-Carrying Authorization Systems
By shifting the burden of proofs to the user, a proof-carrying authorization (PCA) system can automatically enforce complex access control policies. Unfortunately, managing those p...
Avik Chaudhuri, Deepak Garg
ACSC
2002
IEEE
15 years 11 months ago
Bracket Capabilities for Distributed Systems Security
The per-method access control lists of standard middleware technologies allow only simple forms of access control to be expressed and enforced. Research systems based on capabilit...
Mark Evered