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» On the Security of Delegation in Access Control Systems
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CCS
2007
ACM
14 years 3 months ago
A simple and expressive semantic framework for policy composition in access control
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
Glenn Bruns, Daniel S. Dantas, Michael Huth
EUROCRYPT
2011
Springer
13 years 8 days ago
Unbounded HIBE and Attribute-Based Encryption
In this work, we present HIBE and ABE schemes which are “unbounded” in the sense that the public parameters do not impose additional limitations on the functionality of the sy...
Allison B. Lewko, Brent Waters
ATAL
2005
Springer
14 years 2 months ago
Access control with safe role assignment for mobile agents
Mobile agent systems provide new perspectives for distributed e-commerce applications. Sea-of-Data (SoD) applications are those that need to process huge quantities of distributed...
Guillermo Navarro, Joan Borrell, Jose A. Ortega-Ru...
VLDB
2007
ACM
187views Database» more  VLDB 2007»
14 years 9 months ago
Secure Data Outsourcing
The networked and increasingly ubiquitous nature of today's data management services mandates assurances to detect and deter malicious or faulty behavior. This is particularly...
Radu Sion
ARESEC
2011
110views more  ARESEC 2011»
12 years 8 months ago
ACON: Activity-Centric Access Control for Social Computing
—With increasing amount of sensitive user data stored in social computing systems (SCSs) and lack of consensus on how it should be protected under meaningful control by the avera...
Jaehong Park, Ravi S. Sandhu, Yuan Cheng