v     Subject matter

Ø    Mathematical -

§       Level is typical unstarred in math chapters

Ø    Protocol -

§       What-if & why analysis of protocols - 

§       key exchange is full of these 

§       notation 

§       nonce idea & its uses 

§       Scenario question

Ø    Private-key crypto -

§       All use multiround structure, either Feistel or reversible ops.

§       Key scheduling algorithm

§       What are differentiable & linear crypto

Ø    The attacks -

§       known ciphertext

§       plaintext

§       chosen plaintext

§       password guessing

§       traffic analysis

§       Modes, CFB, etc.

§       Meet inthe middle - relate to double/triple DES

v    Coverage

Ø    See exam policies

Ø    Through Thursday, February 13

v    Preparation

Ø    Textbook reading – chapters 1 through 10

Ø    Problems – diagnosis is more important than detailed solving

§       See lists assigned in class

Ø    Web pages – www.cryptography.org, http://www.counterpane.com/crypto-gram.html 

v    Exam methodology

Ø    Open book and notes (avoids memorization)

Ø    Mostly short-answer

§       What if

§       Why

§       Invent a way to do---

Ø    Learn capabilities, not forgettable details