Computer and Network Security

Tuesday, Oct 6

• Introduction.
  - Topics: Syllabus, Basic Terminology

Thursday, Oct 8

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

Tuesday, Oct 13

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

Thursday, Oct 15

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

Tuesday, Oct 20

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

Thursday, Oct 22
- Homework 1 due *Sunday*, Oct 25, 11:59pm!

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

Tuesday, Oct 27

• 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 29

• 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, Nov 3

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

Thursday, Nov 5
- Midterm exam

Tuesday, Nov 10

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

Thursday, Nov 12
- Homework 2 due *Sunday*, Nov 15, 11:59pm!

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

Tuesday, Nov 17

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

Thursday, Nov 19

• 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).

Tuesday, Nov 24

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

Thursday, Nov 26

Tuesday, Dec 1

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

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

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

Tuesday, Dec 8

• 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.

Thursday, Dec 10

• Cryptography in real world (cont'd). -- 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 17, 1:30-3:30pm