Key hierarchies for hierarchical access control in secure group communications.
Junzhi YanJianfeng MaHongyue LiuPublished in: Comput. Networks (2009)
Keyphrases
- access control
- data security
- security mechanisms
- identity management
- security requirements
- access control mechanism
- security architecture
- fine grained
- security model
- protection schemes
- unauthorized access
- rbac model
- xml access control
- dynamic access control
- security policies
- role based access control
- access control policies
- data protection
- access control systems
- digital rights management
- role based access control model
- access control models
- authentication and access control
- role assignment
- database security
- usage control
- data encryption
- computer networks
- intrusion detection