Cryptography & Network Security PYQ 2019-20 AKTU (RIT701)

AKTU · BTECH · Semester 7 · Cryptography & Network Security · Session 2019-20 · PYQ

AKTU Cryptography & Network Security (RIT701) previous year question paper 2019-20 for B.Tech Semester 7. Covers Security Foundations, Classical Encryption…

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Cryptography & Network Security AKTU syllabus

  1. Unit 1: Security Foundations, Classical Encryption and Modern Block Ciphers
  2. Unit 2: Mathematical Foundations, AES and Public Key Cryptography
  3. Unit 3: Message Authentication, Hash Functions and Digital Signatures
  4. Unit 4: Key Distribution, Authentication Applications and Email Security
  5. Unit 5: IP Security, Secure Transactions and System Security

Questions in Cryptography & Network Security AKTU PYQ 2019-20

  1. Q1a. Explain Active and Passive attack. (2 marks, 2019-20)
  2. Q1b. State Fermat’s Theorem. (2 marks, 2019-20)
  3. Q1c. Specify the benefits of IPSec. (2 marks, 2019-20)
  4. Q1d. Determine the GCD (24561,17892) using Euclid’s algorithm. (2 marks, 2019-20)
  5. Q1e. Why is trap door or one way function used? (2 marks, 2019-20)
  6. Q1f. Explain role of compression function in hash function. (2 marks, 2019-20)
  7. Q1g. What are the services provided by the PGP ? (2 marks, 2019-20)
  8. Q2a. Perform Encryption and Decryption using Hill cipher for the following. Message PEN and key :ACTIVATED. (7 marks, 2019-20)
  9. Q2b. Explain MD5 processing of a single 512 bit block. (7 marks, 2019-20)
  10. Q2c. Analyze various types of virus and its counter measures. (7 marks, 2019-20)
  11. Q2d. Explain Triple DES and its applications. (7 marks, 2019-20)
  12. Q2e. State and prove the Chinese remainder theorem. What are the last two digit of 49¹⁹ ? (7 marks, 2019-20)
  13. Q3a. Explain Elliptic curve cryptography with an example. (7 marks, 2019-20)
  14. Q3b. Find the secret key shared between user A and user B using Diffie Hellman algorithm for the following. q=353, α(primitive root)=3, X_A=45 and X_B=50. (7 marks, 2019-20)
  15. Q4a. Explain SHA2 in detail with diagram. (7 marks, 2019-20)
  16. Q4b. Explain the concept of Digital signature algorithm with key generation and verification in detail. (7 marks, 2019-20)
  17. Q5a. Explain secure electronic transaction (SET) protocol with their components. (7 marks, 2019-20)
  18. Q5b. Explain IDS in detail with suitable example. (7 marks, 2019-20)
  19. Q6a. Explain in detail about S/MIME. (7 marks, 2019-20)
  20. Q6b. Explain briefly about the architecture and certification mechanism in Kerberos. (7 marks, 2019-20)
  21. Q7a. Explain public key infrastructure in detail. (7 marks, 2019-20)
  22. Q7b. Discuss authentication header and ESP in detail with their packet format. (7 marks, 2019-20)

AKTU paper codes: BCS072

Cryptography & Network Security previous year papers

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