JNTU B.Tech IV NETWORK SECURITY AND CRYPTOGRAPHY Previous Question Paper (January/February - 2023 - R18)

Write about security mechanisms.

List the services of security.

How a key is generated in IDEA algorithm?

Write short notes on Random Number Generation.

State the Chinese Remainder Theorem.

Define the principles of public key cryptography.

Write down requirements for digital signatures.

List the services of PGP.

Write short notes on scope of ESP.

What is a Firewall? Write the need for firewalls.

Define Network Security. Explain requirements of network security with examples.

Draw the block diagram of DES encryption. Also explain strength of DES in brief.

List and explain types of security attacks with neat diagrams.

Discuss in detail about Transposition Techniques with example.

Enumerate in detail about the steps in RC5 Algorithm with a neat diagram.

Discuss in detail about location of encryption devices.

Define Key distribution? Illustrate key distribution techniques in detail.

Explain the characteristics of advanced symmetric block ciphers.

Illustrate Digital Signature Standard (DSS) and write down the functions of signing and verifying with suitable diagrams.

Explain RSA algorithm and illustrate with an example.

What is discrete logarithm and when can we define it for a set of numbers?

Enumerate Diffie-Hellman Key exchange for encryption and decryption with suitable examples.

Discuss the basic use of Message Authentication Code with suitable diagrams.

Explain importance of X.509 Directory Authentication Service.

Explain how email messages are protected using S/MIME signing and encryption?

Illustrate the working of SHA-512 algorithm with diagram.

Write a brief note on Intruders and viruses.

Explain the sequence of steps used in Secure Socket Layer handshake Protocol for establishing a new session.

What is Intrusion Detection? Describe approaches to intrusion detection?

Explain about digital immune system with neat architecture.