Secret Key Cryptography


Click here to start


Table of Contents

Secret Key Cryptography

Overview

Encryption Schemes

Secret Key Encryption

Secret Key Cryptography

Data Encryption Standard (DES)

DES Steps

Initial and Final Permutation

DES Round

Mangler Function

DES Substitution Box

Generation of Per-Round Keys

DES Decryption

International Data Encryption Algorithm

International Data Encryption Algorithm

Advanced Encryption Standard (AES)

Basic Structure of Rijndael

AES Primitive Operations

Rijndael S-Box

MixColumn

AES Decryption

Key Expansion

AES Key Expansion

Rounds

Ron's Cipher 4 (RC4)

Summary

References

 Author: Raj Jain

Home Page: http://www.cse.wustl.edu/~jain/

Download entire presentation in Adobe Acrobat