1.
Title of subject
Cryptography and Data Security
2.
Subject code
TCD2221
3.
Status of subject
Major
4.
Version
Date of Previous Version: Year 2006
Date of New Version : June 2007
5.
Credit hour
3
28 Hours of Lecture
14 Hours of Tutorial
LAN credit hours equivalence: 2.67
6.
Semester
Trimester 2 (Delta Level)
7.
Pre-Requisite
Data Structures and Algorithms (TCS 1011)
8.
Methods of teaching
28 Hours of Lecture
14 Hours of Tutorial
9.
Assessment
Coursework: 50%
Final Exam: 50%
Total : 100%
10. Teaching staff (Proposed)
Ismail Ahmad
11. Objective of subject
To introduce to the students the science and study of methods of
data protection computer and communication systems from
unauthorized disclosure and modification, to show how to
develop techniques for verification, identification, key
safeguarding schemes and key distribution protocols and to
introduce students to different methods of encrypting data for
security purposes.
12. Synopsis of subject
This course covers symmetric and asymmetric encryption
methods, cryptographic techniques, security and legality issues in
cryptography and data security.
Kursus ini meliputi, kaedah-kaedah penyuntingan, teknik-teknik
kriptografi, isu-isu keselamatan dan kesahihan dalam kriptografi
dan keselamatan data.
By the end of the subject, students should be able to:
13. Learning Outcomes



Understand the concepts and the fundamentals of
encryption methods.
Able to understand and work with different encryption
methods.
Understand the different cryptographic techniques.
Programmes Outcomes
% of
contribution
5
Ability to apply soft skills in work and career
related activities
35
Good understanding of fundamental concepts
Acquisition and mastery of knowledge in
specialized area
20
20
Acquisition of analytical capabilities and problem
solving skills
Adaptability and passion for learning
5
5
Cultivation of innovative mind and development
of entrepreneurial skills
Understanding of the responsibility with moral
and professional ethics
14. Details of subject
1.
10
Topics Covered
Hours
Introduction
 Definition of the Cryptographic System:
Encryption & Decryption, Symmetric &
Asymmetric Ciphers
 Background History of Cryptography
 Steganography
 Message Security Threats: Passive & Active
attacks
 Types of Cryptanalytic Attacks (ciphertext
only, known plaintext, chosen plaintext,
chosen ciphertext, chosen text)
 The goals of cryptography and data security:
Confidentiality, Integrity, Authenticity
3
2.
3.
4.
5.
6.
Symmetric Encryption
 Brief Introduction to Symmetric Key
Encryption Model
 Classical ciphers: Transposition ciphers,
Substitution ciphers, Knapsack ciphers
 Product Cipher: DES and triple DES, brief
introduction to AES
 Symmetric Block Cipher Characteristics:
Block Cipher Modes of Operations (ECB,
CBC, CFB, CTR, OFB).
 Stream Cipher and One-Time Pads (Perfect
Secrecy).
Number Theory
 Modular Arithmetic
 Prime Numbers
 Greatest Common Divisor (GCD)
 Multiplicative Inverse
 Fermat’s Little Theorem
 Euler Totient Function
 Euler’s Theorem
Asymmetric Encryption
 Brief Introduction to the Asymmetric Key
Encryption Model
 Asymmetric (Public-Key) Encryption
Characteristics
 Public Key Encryption: RSA
Authentication
 Password Authentication,
 Message Authentication Code (MAC)
properties and basic uses of MAC
 Hash properties and basic uses of hash
 Brief Introduction to the Digital Signature
Model and Threats to Digital Signatures (i.e.
Replay Attacks)
Key Distribution, Key Management & Digital
Certificates
 Brief introduction to Key Distribution
Methods
 Simple Key Distribution (Merkle)
 Key Management
 Diffie-Hellman Key Exchange
 Public Key Infrastructure (PKI): Public Key
Certificates, Certificate Authority (CA) &
Certificate Servers
Total Contact Hours
1.
15. Text
Text books
2.
8
4
3
5
5
28
William Stallings, Cryptography and
Network Security - Principles and
Practices, 4th Edition, Prentice
Hall.ISBN:0-13-111502-2 (2006).
Atul Kahate, Cryptography and
Network Security, McGraw-Hill,
ISBN:0070494835 (2003)
References
1.
2.
3.
WadeTrappe, Lawrence Washington,
Introduction to Cryptography with
Coding Theory, Second Edition,
Prentice Hall.ISBN : 0-13-186239-1
(2006)
Bruce Schneier, Applied
Cryptography, 2nd Edition Protocols, Algorithms and Source
Code in C,John Wiley &
Sons.ISBN:0-471-12845-7 (1996)
Josef Pieprzyk,Thomas
Hardjono,Jennifer Seberry,
Fundamentals of Computer Security,
Springer-Verlag.ISBN: 3-540-43101-2
(2003)