Cryptography and Web Security
Get the full GTU study material, English & Gujarati textbook PDFs, syllabus curriculum, and solved previous year question papers.
English Book & Chapters
English Book Coming Soon
We are working hard to add this material. Stay tuned for updates!
Follow on Instagram for UpdatesGTU Previous Year Papers
Papers Coming Soon
We are working hard to add this material. Stay tuned for updates!
Follow on Instagram for UpdatesCryptography and Web Security Syllabus โ Unit-wise Content
The official GTU curriculum for Cryptography and Web Security (subject code DI03016021) as prescribed for Biomed ยท Semester 3 divides the course into 5 units, covering 18 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI03016021)Unit 1 Introduction of Information & Network Security
- 1.1 Computer Security
- Cyber Security
- Information Security and Network Security 1.2 Essential network and computer security requirements 1.2.1 Confidentiality 1.2.2 Integrity 1.2.3 Availability 1.2.4 Authenticity 1.2.5 Accountability 1.3 The OSI Security Architecture 1.4 Security Attacks: Passive Attacks
- Active Attacks 1.5 Security Services 1.5.1 Authentication 1.5.2 Access control 1.5.3 Data confidentiality 1.5.4 Data integrity 1.5.5 Nonrepudiation 1.5.6 Availability Service 1.6 Security Mechanisms 1.6.1 Specific Security Mechanism 1.6.2 Pervasive Security Mechanism 1.7 Model for Network Security 1.8 Cryptography: Concept & Classification 1.8.1 Key-less 1.8.2 Single-key and Two-key algorithms
Unit 2 Number theory in Cryptography
- 2.1 Divisibility and Division algorithm 2.2 Modulo operator 2.2.1 Modular arithmetic properties over addition
- subtraction and multiplication operations. 2.3 Set of residues: ๐๐ 2.3.1 Inverse: additive & multiplicative 2.3.2 Set of multiplicative inverse ๐๐ โ Program Name: Engineering Level: Diploma Branch: Information Technology Course / Subject Code: DI03016021 Course / Subject Name: Cryptography and Web Security w. e. f. 2024-25 https://syllabus.gtu.ac.inPage 3 of 6 2.3.3 Calculation of addition โ multiplication tables with its inverse 2.4 Calculation of GCD and Multiplicative inverse 2.4.1 Euclidean algorithm for GCD 2.4.2 Extended Euclidean algorithm for multiplicative inverse
Unit 3 Classical Encryption Techniques
- 3.1 Symmetric-key Encryption 3.1.1 Symmetric cipher model 3.1.2 Cryptanalysis and types of attacks 3.1.3 Brute-Force attack 3.2 Substitution ciphers 3.2.1 Mono alphabetic ciphers: Additive
- Affine and Mono alphabetic substitution cipher. 3.2.2 Poly alphabetic ciphers: Autokey
- One- time pad cipher. 3.3 Transposition ciphers 3.3.1 Keyless transposition: Rail fence
- rectangular (columnar) 3.3.2 Keyed transposition method
- keyed columnar transposition
- its key inversion 3.3.3 Stream and Block ciphers 3.4 Asymmetric-key Cryptosystem 3.4.1 Ingredients of public-key encryption 3.4.2 Confidentiality in public-key cryptography
- Authentication in public-key cryptography
- 3.4.3 Basic working of RSA algorithm and its key-generation
Unit 4 Web Security
- 4.1 Web Security Considerations 4.1.1 Web security threats 4.1.2 Web traffic security approaches 4.2 Secure Socket Layer and Transport Layer Security 4.2.1 Overview of SSL Protocol Stack 4.2.2 Overview of TLS Protocol Stack 4.3 HTTPS 4.3.1 Connection initiation 4.3.2 Connection closure 4.4 Basic Concept of Secure Electronic Transactions 4.5 SSL versus SET
Unit 5 System Security
- 5.1 Intrusion detection 5.1.1 Intrusion and classification of intruders: Masquerador
- Misfeasor, and Clandestine users 5.1.2 Intrusion detection system and approaches to intrusion detection: Misuse detection
- Anomaly detection 5.2 Firewall (Definition and Need) 5.2.1 Characteristics of Firewall 5.3 Types of Firewall Program Name: Engineering Level: Diploma Branch: Information Technology Course / Subject Code: DI03016021 Course / Subject Name: Cryptography and Web Security w. e. f. 2024-25 https://syllabus.gtu.ac.inPage 4 of 6 5.3.1 Packet filtering firewall 5.3.2 Application-Level gateway 5.3.3 Circuit-Level gateway