>>>>If you want to Encrypt the data, not Hash the data, start from this page
>>>>http://technet.microsoft.com/en-us/library/bb510663.aspx and follow all the links.
>>>
>>>Thank you. But I am thinking of using the encryption program from Craig Boyd; I have use it in another place and it worked perfectly.
>>
>>Are you thinking of hashing or encrypting?
>
>Encrypting.

Yes, it's a good choice. Doing it in VFP using Craig Boyd's fll is the best way to encrypt/decrypt data rather than do it through SQL Server encryption.