600.436 High-Assurance Systems
Fall 01/Operational Assurance
18
Covert
Channel Analysis
¨Goal of Covert
Channel Analysis is to determine the existence
and potential capacity of unintended signalling
channels (i.e. illicit information flows) that may be exploited
–Only applies if there
are information flow SFRs
¨Three Components,
levelled based on the rigor of the covert
channel analysis
–Covert
Channel Analysis
–Systematic
Covert Channel Analysis
–Exhaustive
Covert Channel Analysis