Hashes and Message Digests


Click here to start


Table of Contents

Hashes and Message Digests

Overview

One-Way Functions

Examples of Hash Functions

Birthday Problem

Probability of Hash Collisions

Authentication using Hash

Encryption Using Hash

Hash Using Encryption

Hashing Large Messages

MD2 Hash

MD2 Algorithm Steps

Why Always Pad?

MD2 Checksum

MD2 p Substitution Table

Final Pass

MD2 Insecurity

MD4 Hash

MD4 Algorithm

MD4 Overview

MD4 Overview

MD4 Insecurity

MD5 Hash

MD5 Algorithm

MD5 Insecurity

Secure Hash Algorithm (SHA)

SHA-1 Algorithm

SHA Insecurity

SHA-2

HMAC

Summary

References

Author: Raj Jain

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

Download entire presentation in Adobe Acrobat