March 8, 2019 Outline
Reading: text, §18, 9
Due: Homework 4, due March 8, 2019
- Capacity
- When is bandwidth of covert channel?
- Analysis
- Measuring capacity
- Mitigating covert channels
- Preallocation and hold until process terminates
- Impose uniformity
- Randomize resource allocation
- Efficiency/performance vs. security
- Overview of policy composition
- Deterministic noninterference
- Model of system
- Example
- Relationship of output to states