A Time-Bound Cryptographic Key Assignment Scheme for Access Control in a Hierarchy.
Wen-Guey TzengPublished in: IEEE Trans. Knowl. Data Eng. (2002)
Keyphrases
- access control
- fine grained
- security model
- dynamic access control
- data security
- security policies
- access control policies
- security mechanisms
- security requirements
- role based access control
- protection schemes
- identity management
- access control mechanism
- access control models
- role based access control model
- security architecture
- access control systems
- unauthorized access
- role assignment
- database security
- computer networks
- operating system