Cryptography and Network Security Notes pdf
Date: 3rd Feb 2023
In these “Cryptography and Network Security Notes pdf”, we will study the standard concepts in cryptography and demonstrates how cryptography plays an important role in the present digital world by knowing encryption and decryption techniques and secure data in transit across data networks.
We have provided multiple complete network security and cryptography notes pdf for any university student of BCA, MCA, BSc, BTech CSE, MTech branch to enhance more knowledge about the subject and to score better marks in the exam. Students can easily make use of all these network security and cryptography notes pdf by downloading them.
Topics in our Cryptography and Network Security Notes pdf
The topics we will cover in these Cryptography and Network Security Notes pdf will be taken from the following list:
Cryptography and Data Encryption Standard (DES): Overview of Cryptography, Computer security concepts, Security attacks, Symmetric cipher model, Cryptanalysis and brute-force attack, Substitution techniques, Caesar cipher, Monoalphabetic ciphers, Playfair cipher, Hill cipher, Polyalphabetic ciphers, One-time pad, Transposition techniques, Binary and ASCII, Pseudo-random bit generation, Stream ciphers and Block ciphers, Feistal cipher, Data encryption standard (DES), DES example.
Algorithms and Advanced Encryption Standard (AES): Review of basic concepts in Number theory and Finite Fields: divisibility, polynomial and modular arithmetic, Fermat’s and Euler’s theorems, Chinese remainder theorem, Discrete logarithm, Finite fields of the form GF(p) and GF(2n); Advanced encryption standard (AES), AES transformation functions, AES key expansion, AES example.
Public-key Cryptography: Principles of public-key cryptosystems, RSA algorithm, and security of RSA, Elliptic curve arithmetic, Elliptic curve cryptography, Cryptographic Hash functions, Secure Hash algorithm.
Digital Signatures and Network Security: Digital signatures, Elgamal and Schnorr digital signature schemes, Digital signature algorithm. Wireless network and mobile device security, Email architecture, formats, threats and security, Secure/Multipurpose Internet Mail Extension, Pretty Good Privacy.
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Author: Delhi University
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