mca Syllabus

Data Compression and Cryptography
IT 803A
Contact: 3L
Credit: 3
Allotted Hrs: 39L

Introduction [4L]: Need for data compression, Fundamental concept of data compression & coding, Communication model, Compression ratio, Reqirements of data compression, Classification.
Methods of Data Compression [8L]: Data compression-- Lossless & Lossy; Entropy encoding-- Repititive character encoding, Run length encoding, Zero/Blank encoding; Statistical encoding-- Huffman, Arithmatic & Lempel-Ziv coding; Source encoding-- Vector quantization(Simple vector quantization & with error term); Differential encoding—Predictive coding, Differential pulse code modulation, Delta modulation, Adaptive differential pulse code modulation; Transform based coding : Discrete cosine transform & JPEG standards; Fractal compression.
Introduction To Security [5L]: Need for security, Security approaches, Principles of security, Types of attacks. Crytographic Techniques [5L]: Plaintext, Cipher text, Substitution & Transposition techniques, Encryption & Decryption, Types of attacks, Key range & Size.
Symmetric & Assymetric Key Cryptography [8L]: Algorithm types & Modes, DES, IDEA, Differential & Linear Cryptanalysis, RSA, Symmetric & Assymetric key together, Digital signature, Knapsack algorithm.
User Authenticattion Mechanism [4L]: Authentication basics, Passwords, Authentication tokens, Certificate based & Biometric authentication, Firewall .

Case Studies Of Cryptography [5L]: Deniel of service attacks, IP spoofing attacks, Secure inter branch payment transactions.

Books:
1. The Data Compression Book, Nelson, BPB.
2. Digital Image Processing & Analysis : B.Chanda & D. Dutta Mazumdar,PHI.
3. Digital Image Processing, Gonzalez & Woods, Pearson Education.
4. Cryptography & Network Security: Atul Kahate, TMH.