Computer and Network Security

Tuesday, Sept 30

• Introduction.
  - Topics: Syllabus, Basic Terminology

Thursday, Oct 2

• Cryptography: History and Simple Encryption Methods.
  - Topics: Historical Ciphers, Crypto Terminology

Tuesday, Oct 7

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

Thursday, Oct 9

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

Tuesday, Oct 14

• Cryptographic Hash Functions.
  - Topics: Cryptographic Properties, Simple Hash Functions, MD5, SHA, HMAC

Thursday, Oct 16

Tuesday, Oct 21
- Homework 1 completion due Wednesday, Oct 22

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

Thursday, Oct 23

• 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
  

Tuesday, Oct 28
- In-class exam #1 (40 min)

• 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 30

• Authentication and Key Distribution.
  - Topics: Definitions, Types of Authentication, Biometrics, Protocols, Key Distribution

Tuesday, Nov 4

• Protocols (Continued).
  - Topics: Public Key Distribution, Certification, Protocols

Thursday, Nov 6
- Homework 2 completion due Friday, Nov 7

•  Public Key Distribution (and Certifications).
  - Topics: PKI, Certificates, X.500.

Tuesday, Nov 11

Thursday, Nov 13
- In-class exam #2 (40 min)

• Public Key Certification and Revocation.
  - Topics: PKI, X.509, Certificate Revocation, CRT, OCSP, CRS.

Tuesday, Nov 18

• Public Key Revocation.
  - Topics: Certificate Revocation, CRT, OCSP, CRS.

Thursday, Nov 20

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

Tuesday, Nov 25
- Homework 3 completion due Wednesday, Nov 26

• Transport Layer Security/Secure Socket Layer (TLS/SSL).
  - Topics: SSL, Cipher Suite, Handshake, SSL Record.

Thursday, Nov 27

Tuesday, Dec 2

• Network Security/Threats.
  - Topics: Security Issues in TCP/IP, DoS, BGP, DNS Security, Pharming.

Thursday, Dec 4
- In-class exam #3 (40 min)

• Cryptography in real world. -- In the scope of final exam! Make sure you come to the class.
  - Topic: Interesting real-world use/misuse of the cryptography methods/concepts taught in this class.

Final exam time: Thursday, Dec 11, 1:30-3:30pm