* Reading*:

- Greetings and felicitations!
- No class on Monday
- Homework 1 answers and grades on MyUCDavis

- Restrictiveness
- State machine model
- Composing restrictive systems

- Information flow
- Information flow policy, confidentiality policy, integrity policy
- Example

- Entropy
- Random variables
- Joint probability
- Conditional probability
- Entropy (or uncertainty in bits)
- Joint entropy
- Conditional entropy

- Entropy-based analysis
- Flow of information from
*x*to*y* - Implicit flow of information

- Flow of information from
- Nonlattice policies
- Transitivity
- Information flow policy

Version of May 5, 2006 at 9:20 PM

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