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IT-801 RGPV B.Tech

Information Security (IS)

Previous year papers and the official syllabus are free to read, no account needed.

Previous Year Papers

4 papers, latest Jun 2025

Free
See all 4 papers

Syllabus, notes and important questions for IT-801

Syllabus units

Topics as the official RGPV syllabus lists them.

Unit 1 Introduction: Fundamental Principles of Information Security 14 topics
  • Fundamental Principles of Information Security
  • Confidentiality
  • Availability
  • Integrity
  • Non Repudiation
  • The OSI Security Architecture
  • Security Attacks
  • Security Services
  • Security Mechanisms
  • Model for Network Security
  • Classical Encryption Techniques: Symmetric Cipher Model
  • Substitution Techniques
  • Transposition Techniques
  • Steganography
Unit 1 notes
Unit 2 Block Ciphers and Data Encryption Algorithm 11 topics
  • Block Cipher Principles
  • The Data Encryption Standard
  • The Strength of DES
  • Differential and linear cryptanalysis
  • Block Cipher Design Principles
  • Evaluation criteria of AES
  • The AES Cipher
  • Multiple Encryption and Triple DES
  • Block Cipher modes of operation
  • Stream Ciphers
  • Confidentiality using Symmetric Encryption
Unit 2 notes
Unit 3 Public Key Encryption and Message Authentication 14 topics
  • Principles of Public Key Cryptosystems
  • The RSA algorithm
  • Key Management
  • Diffie-Hellman Key Exchange
  • Elliptic curve cryptography
  • Authentication requirements
  • Authentication Functions
  • Message Authentication Codes
  • Hash Functions
  • Security of Hash Functions and MACs
  • Secure Hash Algorithm
  • HMAC
  • Digital Signatures and Authentication Protocols
  • Digital Signature Standard
Unit 3 notes
Unit 4 Authentication Applications and Web Security 14 topics
  • Authentication Applications
  • Kerberos
  • X.509 Authentication Service
  • Public key infrastructure
  • Pretty Good Privacy
  • IP Security Overview
  • IP Security Architecture
  • Authentication header
  • Encapsulating security payload
  • IP Security Key management
  • Web security considerations
  • Secure Socket Layer
  • Transport layer Security
  • Secure Electronic Transaction
Unit 4 notes
Unit 5 System Security and Malicious Software 12 topics
  • Intruders
  • Intrusion Detection
  • Password management
  • Different type of malicious software
  • Viruses and related threats
  • Virus Countermeasures
  • Threats and attacks on Information Security
  • DoS and DDoS Attacks
  • Security controls required for Information Security
  • Firewall design principles
  • Trusted Systems
  • Common criteria for information technology security evaluation
Unit 5 notes
Read the full syllabus

Exam insights

Counted from 3 past IT-801 papers.

Marks asked per paper, by unit

  • Unit 1 Introduction 16 marks
  • Unit 2 Block Ciphers and Data Encryption Algorithm 14 marks
  • Unit 3 Public Key Encryption 33 marks
  • Unit 4 Authentication Applications 19 marks
  • Unit 5 System Security 19 marks

Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.

Asked again and again

  1. What is steganography and how does it differ from cryptography / encryption?

    Asked 4 times: 2025, 2023, 2020, 2018

  2. Explain the purpose of S-boxes in DES and describe the avalanche effect.

    Asked 3 times: 2025, 2020, 2018

  3. Define block cipher and explain its design principles of confusion and diffusion, including differences with suitable examples.

    Asked 2 times: 2025, 2020

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