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DBSEC
2004
83views Database» more  DBSEC 2004»
10 years 2 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
DBSEC
2007
87views Database» more  DBSEC 2007»
10 years 2 months ago
Towards a Times-Based Usage Control Model
Abstract. Modern information systems require temporal and privilegeconsuming usage of digital objects. To meet these requirements, we present a new access control model–Times-bas...
Baoxian Zhao, Ravi S. Sandhu, Xinwen Zhang, Xiaoli...
CCS
2008
ACM
10 years 3 months ago
Mechanisms for usage control
Usage control is a generalization of access control that also addresses how data is used after it is released. We present a formal model for different mechanisms that can enforce ...
Alexander Pretschner, Manuel Hilty, David A. Basin...
TRUSTBUS
2007
Springer
10 years 7 months ago
Usage Control in Service-Oriented Architectures
Usage control governs the handling of sensitive data after it has been given away. The enforcement of usage control requirements is a challenge because the service requester in gen...
Alexander Pretschner, Fabio Massacci, Manuel Hilty
ESORICS
2007
Springer
10 years 7 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...
ICC
2007
IEEE
10 years 7 months ago
A Grammar for Specifying Usage Control Policies
—Usage control goes beyond traditional access control, addressing its limitations related to attribute mutability and continuous usage permission validation. The recently propose...
Rafael Teigao, Carlos Maziero, Altair Olivo Santin
SUTC
2008
IEEE
10 years 7 months ago
Security Enforcement Model for Distributed Usage Control
Recently proposed usage control concept and models extend traditional access control models with features for contemporary distributed computing systems, including continuous acce...
Xinwen Zhang, Jean-Pierre Seifert, Ravi S. Sandhu
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