>Here is an article that explains about how to use System.Security.Cryptography
>
>System.Security.Cryptography
>
>Also check out a .NET tip in the Sept. issue of UT Mag. Hector Correa provides an example of how to encrypt and decrypt values:
>
>http://utmag.com/september2003/page3.asp

In my case, I need to encrypt big XML files. Basically, with the use of System.Security.Cryptography, I was able to adjust my encryption class.