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SACMAT
2006
ACM
14 years 1 months ago
Fine-grained role-based delegation in presence of the hybrid role hierarchy
Delegation of authority is an important process that needs to be captured by any access control model. In role-based access control models, delegation of authority involves delega...
James B. D. Joshi, Elisa Bertino
JNW
2006
94views more  JNW 2006»
13 years 7 months ago
An Efficient Role Specification Management Model for Highly Distributed Environments
Abstract--Highly distributed environments such as pervasive computing environments not having global or broad control, need another attribute certificate management technique. For ...
Soomi Yang
CCS
2005
ACM
14 years 1 months ago
A framework for concrete reputation-systems with applications to history-based access control
In a reputation-based trust-management system, agents maintain information about the past behaviour of other agents. This information is used to guide future trust-based decisions...
Karl Krukow, Mogens Nielsen, Vladimiro Sassone
ICSE
2007
IEEE-ACM
14 years 7 months ago
When Role Models Have Flaws: Static Validation of Enterprise Security Policies
Modern multiuser software systems have adopted RoleBased Access Control (RBAC) for authorization management. This paper presents a formal model for RBAC policy validation and a st...
Marco Pistoia, Stephen J. Fink, Robert J. Flynn, E...
CONCURRENCY
2008
104views more  CONCURRENCY 2008»
13 years 7 months ago
PERMIS: a modular authorization infrastructure
Authorization infrastructures manage privileges and render access control decisions, allowing applications to adjust their behavior according to the privileges allocated to users....
David W. Chadwick, Gansen Zhao, Sassa Otenko, Roma...