Course Outcomes

After undergoing this course, the students will be able to:

1. CO1: Understand the fundamental principles of access control models and techniques, authentication and secure system design.
2. CO2: Have a strong understanding of different cryptographic protocols and techniques and be able to use them.
3. CO3: Apply methods for authentication, access control, intrusion detection and prevention.
4. CO4: Identify and mitigate software security vulnerabilities in existing systems.

Detailed Syllabus

UNIT 1: Introduction (3 Hours) - CO1

• Introduction to Cryptography
• Security Threats, Vulnerability
• Active and Passive attacks
• Security services and mechanism
• Conventional Encryption Model
• CIA model

Duration: 5 hours

UNIT 2: Math Background - CO1

• Modular Arithmetic
• Euclidean and Extended Euclidean algorithm
• Prime numbers
• Fermat and Euler's Theorem

Duration: 5 hours

UNIT 3: Cryptography - CO2

• Dimensions of Cryptography, Classical Cryptographic Techniques
• Block Ciphers (DES, AES):
  • Feistal Cipher Structure
  • Simplified DES
  • DES
  • Double and Triple DES
  • Block Cipher design Principles
  • AES
  • Modes of Operations
• Public-Key Cryptography:
  • Principles Of Public-Key Cryptography
  • RSA Algorithm
  • Key Management
  • Diffie-Hellman Key Exchange
  • Elgamal Algorithm
  • Elliptic Curve Cryptography

Duration: 12 hours

UNIT 4: Hash and MAC Algorithms - CO3

• Authentication Requirement, Functions
• Message Authentication Code
• Hash Functions
• Security Of Hash Functions And MACs
• MD5 Message Digest Algorithm
• Secure Hash Algorithm
• Digital Signatures
• Key Management:
  • Key Distribution Techniques
  • Kerberos

Duration: 6 hours

UNIT 5: Security in Networks - CO4

• Threats in networks
• Network Security Controls:
  • Architecture
  • Encryption
  • Content Integrity
  • Strong Authentication
  • Access Controls
  • Wireless Security
  • Honeypots
  • Traffic flow security
• Firewalls:
  • Design and Types of Firewalls
  • Personal Firewalls
  • IDS
• Email Security:
  • PGP (Pretty Good Privacy)
  • S/MIME

Duration: 7 hours

Suggested Readings / Books

1. Cryptography And Network Security Principles And Practice (Fourth Edition) by William Stallings, Pearson Education
2. Modern Cryptography: Theory and Practice by Wenbo Mao, Prentice Hall PTR
3. Network Security Essentials: Applications and Standards by William Stallings, Prentice Hall
4. Cryptography: Theory and Practice by Douglas R. Stinson, CRC press

List of Experiments (Expandable)

1. Implement the following algorithms in C/C++/Java
   • Caesar Cipher
   • Monoalphabetic Cipher
   • Playfair Cipher
   • Hill Cipher
   • Vigenere Cipher
   • Rail Fence Cipher
   • Row Transposition Cipher
   • Simple Columnar Transposition Cipher
   • Vernam Cipher
   • Diffie-Hellman Key Exchange
   • RSA Algorithm
2. Implement the following using any programming language:
   • MD5
   • SHA-1
3. Implement Digital Signature Algorithm

Course Outcomes

Upon completion of this lab, students will be able to:

1. Implement and analyze various cryptographic algorithms.
2. Understand the strengths and weaknesses of different cryptographic techniques.
3. Apply cryptographic algorithms to secure data and communications.