What is BASE64.

If you want to learn more about Base64, there's a pretty good article over at Wikipedia.

Free Encryption By: Michael Coles (from SQLServerCentral.com)

Free SQL Server 2000 Encryption for your data!!! Author Michael Coles has put together a toolkit and some XPs that you can use to encrypt your data with the Blowfish algorithm. It is hard to write good applications that encrpyt data and manage the keys and security. This will give you a great headstart on protecting your data.