Course material for CS 408 - Spring 2015 - Cryptography & Internet Security

News:

• The final exam is scheduled on May 11, 2015 (Monday) between 11:30am - 2:00pm in FMH 319.

Assignments

Note: all completed assignments must be TYPED and PRINTED, otherwise they will not be graded.
You must submit these assignments individually.
• Assignment 1 - due in the beginning of class (4:00pm) on 02/24/15
• Assignment 2 - due in the beginning of class (4:00pm) on 04/17/15

Exams

• Quiz 1 (in class on 03/03/15). The quiz will cover the material in Lectures 1-10 and will be closed books, closed notes.
• Midterm Exam (in class on 03/13/15). The midterm exam will cover the material in Lectures 1-13 (Lecture 13 only up to slide 42 - Chinese Remainder Theorem).
  It will be closed books, closed notes.
• Quiz 2 (in class on 04/21/15). The quiz will cover the material in Lectures 10-19 and will be closed books, closed notes.

Programming Project

• The programming project is due on 04/07 at 4:00PM. Email your program to me76@njit.edu (and also CC crix@njit.edu)
  • des.java (project skeleton)
  • test case (test case, use this to test the correctness of your implementation)

Important dates
(note that dates for the assignments are tentative and may change; dates for exams and quizzes are fixed)

Date	Event
02/13/15	Assignment 1 out
02/24/15	Assignment 1 due
03/03/15	Quiz 1 (in class)
03/13/15	Midterm exam
03/24/15	Programming project out
04/07/15	Programming project due Assignment 2 out
04/17/15	Assignment 2 due
04/21/15	Quiz 2 (in class)
05/11/15	Final exam

Lecture slides

Week	Tuesday	Friday
Week 1 JAN 20, 23	Lecture 1 Introduction	Lecture 2 Types of attacks, Models to evaluate security, Classical cryptosystems
Week 2 JAN 27, 30	Cancelled due to weather :-(	Lecture 3 Classical cryptosystems
Week 3 FEB 3, 6	Lecture 4 Rotor machines, Enigma	Lecture 5 One-time pad
Week 4 FEB 10, 13	Lecture 6 DES, DES security, Modes of operation	Lecture 7 DES, DES security, Modes of operation
Week 5 FEB 17, 20	Lecture 8 DES, DES security, Modes of operation	Lecture 9 AES
Week 6 FEB 24, 27	Lecture 10 Randomness, Pseudo-randomness, Security of block ciphers	Lecture 11 Basic notions of number theory
Week 7 MAR 3, 6	Quiz #1 Solutions for Quiz #1	Lecture 12 Basic notions of number theory
Week 8 MAR 10, 13	Lecture 13 Basic notions of number theory	Midterm Exam
	No class (Spring Break)	No class (Spring Break)
Week 9 MAR 24, 27	Lecture 14 Basic notions of number theory Solutions for Midterm Exam	Lecture 15 The RSA cryptosystem
Week 10 MAR 31, APR 3	Lecture 16 Security of RSA The ElGamal cryptosystem	No class (NJIT is closed in observance of holiday)
Week 11 APR 7, 10	Lecture 17 Security of RSA The ElGamal cryptosystem	Lecture 18 Cryptographic hash functions, Message Authentication Codes
Week 12 APR 14, 17	Lecture 19 Digital signatures, RSA signature, PKI, Hybrid schemes	Review for Quiz 2
Week 13 APR 21, 24	Quiz 2 Solutions for Quiz 2	Lecture 20 Solutions for Assignment #2 Key establishment protocols, Needham-Schroeder
Week 14 APR 28, MAY 1	Lecture 21 Key establishment protocols, Needham-Schroeder	Lecture 22 Key agreement based on public key techniques
Week 15 May 5	Lecture 23 Secure communication after key setup, SSL