JNTUH MCA 3rd Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university
Code No: 863AE
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
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R19
MCA III Semester Examinations, February - 2021
INFORMATION SECURITY
Time: 2 hours Max. Marks: 75
Answer any five questions
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All questions carry equal marks
- a) What is a Transposition Cipher? b) What is Steganography? [8+7]
- a) What is the purpose of the S-boxes in DES? b) What is the difference between Differential and Linear Cryptanalysis? [7+8]
- Write a detailed note on the RSA Algorithm. List out the Four possible approaches to attack the RSA algorithm. [15]
- Write a detailed note on SHA-512 Algorithm. [15]
- Explain in detail the Digital Signature Algorithm. [15]
- Explain with a neat diagram various PGP Cryptographic Functions. [15]
- Explain with a neat diagram the ESP (Encapsulating Security Payload) Packet Format. [15]
- What is a Firewall? Explain various types of Firewalls with neat diagrams. [15]
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