Computer and Network Security

Tuesday, Sept 27

• Introduction.
  - Topics: Syllabus, Basic Terminology

Thursday, Sept 29

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

Tuesday, Oct 4

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

Thursday, Oct 6

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

Tuesday, Oct 11

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

Thursday, Oct 13
- Homework 1 due *Sunday*, Oct 16, 11:59pm!

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

Tuesday, Oct 18

• 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
  

Thursday, Oct 20

• 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
  

Tuesday, Oct 25
- Midterm exam

Thursday, Oct 27

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

Tuesday, Nov 1

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

Thursday, Nov 3
- Homework 2 due *Sunday*, Nov 6, 11:59pm!

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

Tuesday, Nov 8

Thursday, Nov 10

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

Tuesday, Nov 15

• 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).

Thursday, Nov 17

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

Tuesday, Nov 22

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

Thursday, Nov 24

Tuesday, Nov 29
- Homework 3 due *Wednesday*, Nov 30, 11:59pm!

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

Thursday, Dec 1

• 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: Friday, Dec 9, 10:30am-12:30pm