Which topics and ideas do you think are the most important out of those we have studied?
I think the chapter on AES was probably the most applicable to real life because that's the only cipher system that's still in use (we even learned to break the rest of them besides DES, which just needs the chips mentioned in the textbook), but it's good to have a solid background on classical cryptography and how to break it so we appreciate modern cryptography and have an idea of how it might be attacked.
What kinds of questions do you expect to see on the exam?
I think we'll probably have to decrypt some classical ciphers--I hope not a Vigenere or one time pad used twice because that would be time consuming to do by hand, and the online applets are much more fun--and maybe implement a simplified DES or AES and/or give some definitions.
What do you need to work on understanding better before the exam?
I think I understand everything from chapters 2-5, but I need to make sure I remember what everything is and how to use them, and maybe get a bit faster at figuring things out.
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