Cryptography and Network security
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Cryptography and Network security Syllabus — Unit-wise Content
The official GTU curriculum for Cryptography and Network security (subject code 3161606) as prescribed for Information Technology · Semester 6 divides the course into 10 units, covering 31 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 (3161606)Unit 1 Introduction – Security services, security services, security
- mechanisms Finite fields – group
- modular arithmetic
- The Euclidean algorithm. 5 15% 1 Symmetric Cipher Model
- Cryptanalysis and Attacks
- Substitution and Transposition techniques
Unit 2 Stream ciphers and block ciphers, Block Cipher structure, Data
- Encryption standard (DES) with example
- strength of DES, Design principles of block cipher
- AES with structure
- its transformation functions
- key expansion
- example and implementation
Unit 3 Multiple encryption and triple DES, Electronic Code Book, Cipher
- Block Chaining Mode
- Cipher Feedback mode
- Output Feedback mode
- Counter mode Subject Code: 3161609 w.e.f
Unit 4 Public Key Cryptosystems with Applications, Requirements and
- RSA algorithm
- its computational aspects and security
- Diffie-Hillman Key Exchange algorithm
- Man-in-Middle attack
Unit 5 Cryptographic Hash Functions, their applications, Simple hash
- its requirements and security
- Hash functions based on Cipher Block Chaining
- Secure Hash Algorithm (SHA)
Unit 6 Message Authentication Codes, its requirements and security,
- MACs based on Hash Functions
- Macs based on Block Ciphers
Unit 7 Digital Signature, its properties, requirements and security, various
- digital signature schemes (Elgamal and Schnorr)
- NIST digital Signature algorithm
Unit 8 Key management and distribution, symmetric key distribution
- using symmetric and asymmetric encryptions
- distribution of public keys
- Public key infrastructure
Unit 10 Web Security threats and approaches, SSL architecture and
- Transport layer security
- HTTPS and SSH
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