Discuss passive and active adversaries, malicious and honest-but-curious. Perhaps [Palmskog's lecture](http://www.csc.kth.se/utbildning/kth/kurser/DD2495/natsak12/anteckningar/F3.pdf) on the topic can be interesting.
Discuss passive and active adversaries, malicious and honest-but-curious.
Perhaps Palmskog's lecture on the topic can be interesting.