Sciweavers

CCS
2004
ACM
14 years 1 months ago
Comparing the expressive power of access control models
Comparing the expressive power of access control models is recognized as a fundamental problem in computer security. Such comparisons are generally based on simulations between di...
Mahesh V. Tripunitara, Ninghui Li
CCS
2004
ACM
14 years 1 months ago
KNOW Why your access was denied: regulating feedback for usable security
We examine the problem of providing useful feedback about access control decisions to users while controlling the disclosure of the system’s security policies. Relevant feedback...
Apu Kapadia, Geetanjali Sampemane, Roy H. Campbell
CASSIS
2004
Springer
14 years 1 months ago
History-Based Access Control and Secure Information Flow
Abstract. This paper addresses the problem of static checking of programs to ensure that they satisfy confidentiality policies in the presence of dynamic access control in the for...
Anindya Banerjee, David A. Naumann
AUSAI
2004
Springer
14 years 1 months ago
A Logic Based Approach for Dynamic Access Control
The PolicyUpdater1 system is a fully-implemented access control system that provides policy evaluations as well as dynamic policy updates. These functions are achieved by the use o...
Vino Fernando Crescini, Yan Zhang
SWS
2004
ACM
14 years 1 months ago
Trust but verify: authorization for web services
Through web service technology, distributed applications can be built in a exible manner, bringing tremendous power to applications on the web. However, this exibility poses sig...
Christian Skalka, Xiaoyang Sean Wang
SWS
2004
ACM
14 years 1 months ago
Applying hierarchical and role-based access control to XML documents
W3C Recommendations XML Encryption and XML-Digital Signature can be used to protect the confidentiality of and provide assurances about the integrity of XML documents transmitted...
Jason Crampton
SACMAT
2004
ACM
14 years 1 months ago
A role-based approach to access control for XML databases
In order to provide a general access control methodology for parts of XML documents, we propose combining rolebased access control as found in the Role Graph Model, with a methodo...
Jingzhu Wang, Sylvia L. Osborn
SACMAT
2004
ACM
14 years 1 months ago
Using trust and risk in role-based access control policies
Emerging trust and risk management systems provide a framework for principals to determine whether they will exchange resources, without requiring a complete definition of their ...
Nathan Dimmock, András Belokosztolszki, Dav...
SACMAT
2004
ACM
14 years 1 months ago
Towards a credential-based implementation of compound access control policies
We describe a layered approach to access control for distributed and interoperable computing systems. Firstly, compound access control policies are conceptually specified, using ...
Joachim Biskup, Sandra Wortmann
SACMAT
2004
ACM
14 years 1 months ago
X-GTRBAC admin: a decentralized administration model for enterprise wide access control
Access control in enterprises is a key research area in the realm of Computer Security because of the unique needs of the target enterprise. As the enterprise typically has large ...
Rafae Bhatti, James Joshi, Elisa Bertino, Arif Gha...