Introduction to Cryptography

Text Book: Behrouz A Forouzan, Debdeep Mukhopadhyay, Cryptography and Network Security, Mc Graw Hill, Third Edition, 2015.

Reference Book: William Stallings, Cryptography and Network Security Principles and Practices, 4th Edition.

PDF Slides (adapted from the slides made by the above Textbook authors (Click Here)

• Introduction

• Symmetric Key Cryptography

  • • Traditional Ciphers

    • Mathematical Background

    • Modern Ciphers

    • Block Ciphers: DES, AES, Modes of Operation

    • Stream Ciphers: RC4, A5/1

• Asymmetric Key Cryptography

  • • Mathematical Background

    • Public Key Cryptosystems

    • Key Management

    • Message Integrity and Message Authentication

    • Cryptographic Hash Functions

    • Entity Authentication

    • Digital Signatures