Assignment-1 Questions
SET-1:
- Differentiate active and passive security attack.
- Write short notes on Data confidentiality.
- Explain symmetric cipher model with diagram.
- Compare and contrast linear cryptanalysis and differential cryptanalysis.
- Write RSA algorithm and explain with one example
- Explain simple secret key distribution with diagram.
SET-2:
- What is known as security attack? Also define the term IP security.
- Draw and explain the general Structure of Secure Hash Code.
- Draw the diagram and explain Public-Key Distribution Scenario.
- How DES Signing and Verifying is done? Explain.
- State the properties and requirements of digital signature.
- Differentiate RSA and DES approach for digital signature.
SET-3:
- Compare and Contrast between Symmetric and Asymmetric key cryptography.
- Discuss in detail about AES algorithm.
- Discuss in details about cipher block modes of operation.
- What do you mean by the Kerberos Realm? Explain the working of Kerberos.
- What are the advantages of Key Distribution? What are different approaches to Public-key Management?
SET-4:
- What the principles of public key cryptosystems? List the 6 ingredients of public key encryption.
- Name the security services available for Information Security. What are the requirements for (message) authentication?
- Describe DES algorithm with neat diagram and explain the steps.
- Explain in detail about various security attacks.
- Explain the ceaser cipher. And brief the strengths of triple DES.
- Explain RSA algorithm, perform encryption and decryption to the system with p=7, q=11, e=17, M=8
SET-5:
- Explain Diffie-Hellman key exchange algorithm in detail
- Explain digital signature standard with necessary diagrams in detail.
- Differentiate between interruption and interception attacks.
- Outline the concepts of authentication and access control.
- Outline the concept of traffic confidentiality and its significance in network security.
- Define Blowfish cipher and highlight its major advantages.
SET-6:
- Compare RSA with Elliptic Curve Cryptography (ECC) in terms of key size, security, performance and application.
- Illustrate SHA-512 algorithm with suitable example.
- Explain HMAC algorithm in detail.
- Outline the major applications of digital signatute.
- Classify the authentication protocols and list out their features.
- List the advantages and limitations of Kerberos.
Assignment-2 Questions
SET-1:
- Explain in detail IPSec protocol.
- Explain the role of Encapsulation Security Payload in securing data transmission over IP.
- Define TLS. How does HTTP differ from HTTPS? What makes HTTPS secure for communication between web client and web server?
- What is Secure Socket Layer? How does the client/server communication happen securely on the internet using SSL Record protocol?
- What is the need for a firewall. Discuss the various types of firewalls available for network security.
SET-2:
- What do you mean by the Kerberos Realm? Explain the working of Kerberos.
- How the messages are generated and transmitted in pretty good privacy (PGP) protocol Explain with clear diagrams.
- What are different alert codes of TLS protocol? What are different services provided by the SSL Record Protocol?
- How does the client/server communication happen securely on the internet using SSL Record protocol?
- Generalize the role of intrusion detection system? Point out the three benefits that can be provided by the intrusion detection system?
SET-3:
- With diagram explain X.509 Formats.
- Define the term IP security. Explain IP security architecture with a supporting diagram.
- List out all the new challenges of Web security.
- A Write and explain the four phases that a typical virus goes through.
- What is Intrusion? Discuss Intrusion detection system with neat Diagram.
SET-4:
- Explain how Transmission and Reception of PGP Messages occurs.
- Define virtual private network. Write in detail about the two ways in which the IPSec authentication service can be used.
- Describe in detail the working of SSL/TLS, including the handshake process and encryption techniques.
- Differentiate worms and viruses. Illustrate the working of an Intrusion Detection System with a real-world example.
- Define Firewall. Justify the role of firewalls in protecting enterprise networks from cyber threats.
SET-5:
- Justify the statement-“Message encryption by itself can provide a measure of authentication”
- List any two applications of X.509 certificates. Also discuss the purpose of X.509 certificate standard.
- State the number of security keys used in Kerberos. Explain Kerberos version 4 in brief.
- Write about PGP cryptographic functions for authentication only, confidentiality only and both confidentiality and authentication.
- Discuss the benefits of IP security. What are the differences between transport mode and tunnel mode in IPsec?
SET-6:
- Examine how asymmetric encryption resolves the key distribution problem of symmetric ciphers.
- Explain X.590 directory authentication service.
- Explain how security can be provided to E-mails.
- Explain the steps involved in SSL Record Protocol transmission.
- What are the applications of IPSec? Explain the ESP Protocol with a neat diagram.

