Computer and Network Security

CS 134 - Fall 2021

OverviewLecturesHomeworks

Week 1

Tuesday, Sept 28

Thursday, Sept 30

Week 2

Tuesday, Oct 5

  • Encryption I
    - Topics: Symmetric/Convential vs. Public Key Cryptograpy, Block Ciphers, DES, Other Symmetric Ciphers, AES/Rijndael, OTP (Refresher).

Thursday, Oct 7

  •  Encryption II
    - Topics: Symmetric/Convential vs. Public Key Cryptograpy, Block Ciphers, DES, Other Symmetric Ciphers, AES/Rijndael, OTP (Refresher).

Week 3

Tuesday, Oct 12

Thursday, Oct 14

     Alfred needs to travel. No class!

Week 4

Tuesday, Oct 19
- Homework 1 due *Wednesday*, Oct 20, 11:59pm!

  • Some "fun" math.
    - Topics: Groups, Rings, Fields, Euclidean Algorithm, Chinese Remainder Theorem

Thursday, Oct 21

  • Public Key Cryptography I.
    - Topics: Diffie Hellman Key Exchange, RSA Encryption, Square-and-Multiply, El Gamal Encryption, Digital Signatures (RSA and El Gamal), Digital Signature Standard (DSS), Identification (Fiat-Shamir), Zero-Knowledge Cave

Week 5

Tuesday, Oct 26

  • Public Key Cryptography II.
    - Topics: Diffie Hellman Key Exchange, RSA Encryption, Square-and-Multiply, El Gamal Encryption, Digital Signatures (RSA and El Gamal), Digital Signature Standard (DSS), Identification (Fiat-Shamir), Zero-Knowledge Cave

Thursday, Oct 28
- Midterm exam

Week 6

Tuesday, Nov 2

Thursday, Nov 4

Week 7

Tuesday, Nov 9

Thursday, Nov 11
- Homework 2 due *Sunday*, Nov 14, 11:59pm!

     No class. Enjoy the Veteran's Day!

Week 8

Tuesday, Nov 16

Thursday, Nov 18

  • Access Control.
    - Topics: Model and Terminology, Access Control Structures, Access Control Matrix, Capabilities, Access Control Lists, Android Security Model, SELinux, Role Based Access Control (RBAC).

Week 9

Tuesday, Nov 23

  • Privacy and Anonymity.
    - Topics: Definitions, Applications, Types of Attacks, Chaum's Mix, Mix Casdade, Onion Routing, Tor, Hidden Servers, Dining Cryptographers.

Thursday, Nov 25

     No class. Enjoy the Thanksgiving holiday!

Week 10

Tuesday, Nov 30

Thursday, Dec 2
- Homework 3 due *Friday*, Dec 3, 11:59pm!

Final Week

Final exam time: Friday, Dec 10, 10:30am-12:30pm