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Paj's Home

About Me

Find out about me, including my current adventure in Asia.
Travel Blog, Cycling Europe, My Career, Philosophy, Acid Techno, Site Info

Cryptography

How to keep information secure, when transmitted across insecure networks.
RSA, JavaScript MD5, Vigenere Cipher, Word Patterns

Security

A guide to computer and network security.
Introduction, Desktop, Data Theft, Infrastructure, Web Applications

Programming

Information about programming, particularly using Python.
Python, Style Guide, TCP/IP, Languages, Unix

Web Applications

How to build useful and compelling web applications.
Frameworks, Facebook, Pipp, Guest Book, Lottery Check, Web 3D, Theory Test

Consultancy

You can hire me on a freelance basis to perform IT work and consultancy.
Web Security Testing, Security Consultancy, Web Consultancy, Business Applications, Other Work
Introduction

Me as a Bollywood star! Hi, I'm Paul, and I often get called Paj. I'm a credit crunch victim, booted out from corporate land, I'm travelling the world looking for answers. So far, all I've found is more questions, but I've had plenty of fun on the way. more...

I think the Internet is just fantastic for sharing information. I learnt huge amounts of what I know about computers by reading websites, and all the time working, I continued to use the web daily. I'm keen not to be just a consumer, and this site is my contribution to the pool of knowledge. It mostly covers computer programming and security, and there's a little bit about me too.

If you're just passing through, read the security introduction as everyone who ever uses a computer needs to know this.

© 1998 - 2009 Paul Johnston, distributed under the BSD License   Updated:08 Jun 2009