ICOM 5018 - Cryptography & Network Security

1. Test #1: Tuesday, March 9, 2010

2. Coverage

a. Chapters 1-10

b. The review problems will be discussed in class (mostly by you people)

c. One-half the test will be problems chosen from the review problems, the rest will be based on the text material

3. Review problems

a. 3/2, 3.15

b. 4.16, 4,22

c. 6.12, 6.3

d. 7.4, 7.12

e. 8.20, 8.4

f. 9.7, 9.9 (but don’t spend a lot of time on this one),

4. Review topics

5. Mathematical –

Level is typical unstarred in math chapters

1. Protocol -

2. What-if&why analysis of protocols - 

a. key exchange is full of these 

b. notation 

c. nonce idea & its uses 

3. Scenario question

i. Private-key crypto -

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

5. Key scheduling algorithm

6. What are differential & linear crypto

7. The attacks -

a. known ciphertext

b. plaintext

c. chosen plaintext

d. password guessing

e. traffic analysis

8. Modes, CFB, etc.

a. Meet inthe middle - relate to double/triple DES

9. Math – again

1.