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DESIGN AND ANALYSIS OF ALGORITHMS – QUESTION BANK (CSE)

ISL ENGINEERING COLLEGE DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING DESIGN AND ANALYSIS OF ALGORITHMS QUESTION BANK BE III Year II Semester (A & B Sections) –PC 603 CS Academic Year: 2020-21 SHORT ANSWER QUESTIONS UNIT-I 1. Why is an algorithm analysis required? 2. State about UNION & FIND operations. 3. List out the UNION algorithm using weighting rule. 4. Given f(n)=10n 2 +4n+3, then prove that f(n)=O(n 2 ). 5. ...

Cryptography and Network Security (CNS)

CRYPTOGRAPHY AND NETWORK SECURITY (CNS) Unit I to V Click Here Attacks on Computers and Computer Security SYLLABUS UNIT – I Security Concepts : Introduction, The need for security, Security approaches, Principles of security, Types of Security attacks, Security services, Security Mechanisms, A model for Network Security Cryptography Concepts and Techniques : Introduction, plain text and cipher text, substitution techniques, transposition techniques, encryption and decryption, symmetric and asymmetric key cryptography, steganography, key range and key size, possible types of attacks. UNIT – II Symmetric key Ciphers : Block Cipher principles, DES, AES, Blowfish, RC5, IDEA, Block cipher operation, Stream ciphers, RC4. Asymmetric key Ciphers : Principles of public key cryptosystems, RSA algorithm, Elgamal Cryptography, Diffie-Hellman Key Exchange, Knapsack Algorithm. UNIT – III Cryptographic Hash Functions : Message Authentication, Secure Hash Algorithm (SHA- 512), Message auth...

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