CS8792 Cryptography And Network Security Notes CNS Notes CSE 7th Sem Anna University

  CS8792 Cryptography And Network Security Notes

Anna University CS8792 Cryptography And Network Security syllabus, Notes, 2 marks with answers, Question Bank with answers.

CS8792 Cryptography And Network Security   

UNIT I INTRODUCTION

Security trends - Legal, Ethical and Professional Aspects of Security, Need for Security at Multiple levels, Security Policies - Model of network security – Security attacks, services and mechanisms – OSI security architecture – Classical encryption techniques: substitution techniques, transposition techniques, steganography- Foundations of modern cryptography: perfect security – information theory – product cryptosystem – cryptanalysis.

UNIT II SYMMETRIC KEY CRYPTOGRAPHY

MATHEMATICS OF SYMMETRIC KEY CRYPTOGRAPHY: Algebraic structures - Modular arithmetic-Euclid‟s algorithm- Congruence and matrices - Groups, Rings, Fields- Finite fields- SYMMETRIC KEY CIPHERS: SDES – Block cipher Principles of DES – Strength of DES – Differential and linear cryptanalysis - Block cipher design principles – Block cipher mode of operation – Evaluation criteria for AES – Advanced Encryption Standard - RC4 – Key distribution.

UNIT III PUBLIC KEY CRYPTOGRAPHY 

MATHEMATICS OF ASYMMETRIC KEY CRYPTOGRAPHY: Primes – Primality Testing – Factorization – Euler‘s totient function, Fermat‘s and Euler‘s Theorem - Chinese Remainder Theorem – Exponentiation and logarithm - ASYMMETRIC KEY CIPHERS: RSA cryptosystem – Key distribution – Key management – Diffie Hellman key exchange - ElGamal cryptosystem – Elliptic curve arithmetic-Elliptic curve cryptography.

UNIT IV MESSAGE AUTHENTICATION AND INTEGRITY

Authentication requirement – Authentication function – MAC – Hash function – Security of hash function and MAC – SHA –Digital signature and authentication protocols – DSS- Entity Authentication: Biometrics, Passwords, Challenge Response protocols- Authentication applications - Kerberos, X.509

UNIT V SECURITY PRACTICE AND SYSTEM SECURITY

Electronic Mail security – PGP, S/MIME – IP security – Web Security - SYSTEM SECURITY: Intruders – Malicious software – viruses – Firewalls.

2017 Regulations

Notes:

CS8792 CNS Notes unit 1 - Click here 1 | Click here 2

CS8792 CNS Notes Unit 2 - Click here 1 | Click here 2

CS8792 CNS Notes Unit 3 - Click here 1 | Click here 2

CS8792 CNS Notes Unit 4 - Click here 1 | Click here 2

CS8792 CNS Notes Unit 5 - Click here 1 | Click here 2

All Units Notes in one Pdf:

CS8792 CNS Notes unit 1-5 - Click here 1 | Click here 2

QBank:

CS8792 CNS QBank - Click here 1 | Click here 2

2013 Regulations

All Units Notes in one Pdf:

CS6701 CNS Notes unit 1-5 - Click here

QBank:

CS6701 CNS QBank - Click here 1 | Click here 2

Related: CNS MCQs

Related: CSE 7^th Sem All Study materials

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