Win2K server, R:Tango 2000, R:Base 6.5

I came up with an idea to hopefully secure personal information better than
I have now and I am looking for comments about it. I know a lot of you
refuse to store credit card info, but I need to for some applications. This
could also apply to storing other personal info like social security number,
drivers license, medical records, etc.

Presently I have an order table in my database that stores credit card
numbers. In this table I have a field called order number that is based on
the following code: <@ASSIGN user$OrderNumber "<@currentdate
format=datetime:%Y%m%d><@tstosecs <@currenttimestamp>>">

What I am thinking about doing is pulling the credit card number, month, and
year out of the order table and creating a totally separate database with
one table with five fields, ID, CC number, CC month, CC year. The fifth
field would be based on the following: <@CIPHER ACTION=hash STR=<@var
user$OrderNumber> ENCODING=none>

When retrieving orders the appropriate credit card info would be found by
this fifth field. I have never done it, but I believe that you can access 2
databases at the same time with one .taf or .tml

My strategy is that if someone hacked into my server and found the catalog
DB with the order table, they may assume I don't store CC info. If they
happened to find the CC database, it would be very difficult for them to
correlate the proper name and address to the correct credit card info. Could
a credit card number be used without the proper name and address?

The final level of security would be to encrypt each field of the CC
database with Witango 5 or have Windows 2000 or 2003 encrypt the entire CC
DB files. Would this work?

Thanks for your comments

Steve Fogelson
Internet Commerce Solutions
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