Hashes for Newbies

This paper cover Hash types, collisions and practical uses of this cryptographic technique.
Explains the difference between hashes, cyphers and checksums and also how their future is changing.
The words are very clear and perfectly understandable.

If you do not know what hashes are, give it a try!

An Illustrated guide to Cryptographic Hashes -- Written by Steve Friedl to Unixwiz.net

Happy reading!