A new cryptographic key assignment scheme with time-constraint access control in a hierarchy.
Hui-Feng HuangChin-Chen ChangPublished in: Comput. Stand. Interfaces (2004)
Keyphrases
- access control
- dynamic access control
- fine grained
- security model
- role based access control
- security policies
- data security
- protection schemes
- role based access control model
- rights management
- access control models
- security requirements
- database security
- access control policies
- rbac model
- database systems
- authentication and access control
- access control mechanism
- access control systems
- unauthorized access
- identity management
- role assignment
- digital rights management
- security architecture
- security mechanisms
- public key
- data model