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Anna University · Regulation 2021

CB 3491 Cryptography and Cyber Security question papers

CB3491 Cryptography and Cyber Security previous year question papers from Anna University (Regulation 2021), with the full syllabus. Read online or download the PDF.

Fifth semester · Core · L T P C: 3 0 0 3

Question papers

Syllabus

  1. Unit 1: Introduction to Security9 hours

    Computer Security Concepts · The OSI Security Architecture · Security Attacks · Security Services and Mechanisms · A Model for Network Security · Classical encryption techniques: Substitution techniques · Transposition techniques · Steganography · Foundations of modern cryptography: Perfect security · Information Theory · Product Cryptosystem · Cryptanalysis

  2. Unit 2: Symmetric Ciphers9 hours

    Number theory · Algebraic Structures · Modular Arithmetic · Euclid's algorithm · Congruence and matrices · Group · Rings · Fields · Finite Fields · Symmetric Key Ciphers: SDES · Block Ciphers · DES · Strength of DES · Differential and linear cryptanalysis · Block cipher design principles · Block cipher mode of operation · Evaluation criteria for AES · Pseudorandom Number Generators · RC4 · Key distribution

  3. Unit 3: Asymmetric Cryptography9 hours

    Mathematics of Asymmetric Key Cryptography: Primes · Primality Testing · Factorization · Euler's totient function · Fermat's and Euler's Theorem · Chinese Remainder Theorem · Exponentiation and logarithm · Asymmetric Key Ciphers: RSA cryptosystem · Key distribution · Key management · Diffie Hellman key exchange · Elliptic curve arithmetic · Elliptic curve cryptography

  4. Unit 4: Integrity and Authentication Algorithms9 hours

    Authentication requirement · Authentication function · MAC · Hash function · Security of hash function: HMAC · CMAC · SHA · Digital signature and authentication protocols · DSS · Schnorr Digital Signature Scheme · ElGamal cryptosystem · Entity Authentication: Biometrics · Passwords · Challenge Response protocols · Authentication applications · Kerberos · Mutual Trust: Key management and distribution · Symmetric key distribution using symmetric and asymmetric encryption · Distribution of public keys · X.509 Certificates

  5. Unit 5: Cyber Crimes and Cyber Security9 hours

    Cyber Crime and Information Security · classifications of Cyber Crimes · Tools and Methods · Password Cracking · Key loggers · Spywares · SQL Injection · Network Access Control · Cloud Security · Web Security · Wireless Security