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ESORICS
2009
Springer
16 years 4 months ago
Towards a Theory of Accountability and Audit
Accountability mechanisms, which rely on after-the-fact verification, are an attractive means to enforce authorization policies. In this paper, we describe an operational model of ...
Radha Jagadeesan, Alan Jeffrey, Corin Pitcher, Jam...
CSFW
2008
IEEE
15 years 10 months ago
An Authorization Logic With Explicit Time
We present an authorization logic that permits reasoning with explicit time. Following a proof-theoretic approach, we study the meta-theory of the logic, including cut elimination...
Henry DeYoung, Deepak Garg, Frank Pfenning
IEEEARES
2008
IEEE
15 years 10 months ago
Modelling Security Properties in a Grid-based Operating System with Anti-Goals
In this paper, we discuss the use of formal requirementsengineering techniques in capturing security requirements for a Grid-based operating system. We use KAOS goal model to repr...
Alvaro Arenas, Benjamin Aziz, Juan Bicarregui, Bri...
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CSFW
2007
IEEE
15 years 10 months ago
Comparing Countermeasures against Interrupt-Related Covert Channels in an Information-Theoretic Framework
Interrupt-driven communication with hardware devices can be exploited for establishing covert channels. In this article, we propose an information-theoretic framework for analyzin...
Heiko Mantel, Henning Sudbrock
ESORICS
2007
Springer
15 years 10 months ago
A Policy Language for Distributed Usage Control
We present the Obligation Specification Language (OSL), a policy language for distributed usage control. OSL supports the formalization of a wide range of usage control requiremen...
Manuel Hilty, Alexander Pretschner, David A. Basin...