Cryptography And Network Security Notes

Download “Cryptography And Network Security Notes” just in one click made by fully experienced teachers. The notes can be downloaded without any Login or Signup. These notes are made from the best books of Cryptography And Network Security like Cryptography and Network Security – by Atul Kahate. These notes are specially designed in pdf format for easy download and contains Lecture notes in simple and easy languages with full diagrams of architecture and with full explanation.

The notes covers following concepts according to their Units:-

Unit I
Introduction to the Concepts of Security: The need for security, Security Approaches, Principles of Security, Types of Attacks. Cryptographic Techniques: Plain Text and Cipher Text, Substitution Techniques, Transposition Techniques, Encryption and Decryption, Symmetric and Asymmetric Key Cryptography, Steganography, Key Range and Key Size,
Possible Types of Attacks.

Unit II
Computer-based Symmetric Key Cryptographic Algorithms: Algorithm Types and Modes, An overview of Symmetric Key Cryptography, DES, International Data Encryption Algorithm (IDEA), RC5, Blowfish, AES, Differential and Linear Cryptanalysis.

Unit III
Computer-based Asymmetric Key Cryptography: Brief History of Asymmetric Key Cryptography, An overview of Asymmetric Key Cryptography, The RSA Algorithm, Symmetric and Asymmetric Key Cryptography Together, Digital Signatures, Knapsack Algorithm, Some other Algorithms.

Unit IV
Public Key Infrastructure: Digital Certificates, Private Key Management, The PKIX Model, Public Key Cryptography Standards, XML, PKI and Security. Internet Security Protocols: Basic Concepts, Secure Socket Layer, SHTTP, Time Stamping Protocol, Secure Electronic Transaction, SSL versus SET, 3-D Secure Protocol, Electronic Money, E-mail Security,Wireless Application Protocol (WAP) Security, Security in GSM.

Download Notes

Feel free to comment below regarding notes.

If you wants some more notes on any of the topics please mail to us or comment below. We will provide you as soon as possible and if you want your’s notes to be published on our site then feel free to mail your content to ( The contents will be published by your Name).

Leave a Reply