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COLCOM
2008
IEEE
13 years 11 months ago
A Constraint and Attribute Based Security Framework for Dynamic Role Assignment in Collaborative Environments
Abstract. We investigate a security framework for collaborative applications that relies on the role-based access control (RBAC) model. In our framework, roles are pre-defined and...
Isabel F. Cruz, Rigel Gjomemo, Benjamin Lin, Mirko...
SACMAT
2006
ACM
13 years 10 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
ICN
2005
Springer
13 years 10 months ago
Scalable Group Key Management with Partially Trusted Controllers
Abstract. Scalable group key management solutions are crucial for supporting Internet applications that are based on a group communication model. Many solutions have been proposed ...
Himanshu Khurana, Rafael Bonilla, Adam J. Slagell,...
CANS
2010
Springer
150views Cryptology» more  CANS 2010»
13 years 2 months ago
Predicate Encryption with Partial Public Keys
Abstract. Predicate encryption is a new powerful cryptographic primitive which allows for fine-grained access control for encrypted data: the owner of the secret key can release pa...
Carlo Blundo, Vincenzo Iovino, Giuseppe Persiano
CCS
2009
ACM
14 years 5 months ago
Efficient IRM enforcement of history-based access control policies
Inlined Reference Monitor (IRM) is an established enforcement mechanism for history-based access control policies. IRM enforcement injects monitoring code into the binary of an un...
Fei Yan, Philip W. L. Fong