600.436 High-Assurance
Systems
Fall 01/System Security Realization
8
Subsystem Security Functionality
¨Operations that each
subsystem performs as part of TOE
security function realization
¨Relationship between
subsystems and security functions may
be many-to-many
–One
subsystem may wholly realize many security functions
–Aspects of one security function may be realized through the cooperation of many subsystems
¨“TSP-enforcing
subsystem” directly or indirectly contibutes to
TSP enforcement