I am a mainframe techie working in mainframe for 5.5 years in India and in UK. For last 2.5 years I have been involved in protecting sensitive data through cryptography woking for 2-3 major UK banks. If you have any comments/suggestions/questions on my stuff below juz fire an email mojozmania@gmail.com.
Here is a presentation for you on Introduction To Cryptography. Enjoy !!
