On Wed, Jan 13, 2010 at 1:31 PM, MB Software Solutions, LLC
<[email protected]> wrote:
> Obviously storing passwords in plain text is stupid.  Storing them
> encrypted is good, but didn't someone say about storing the checksum or
> hash value is best?  Searching the ProFox archives...
--------------------------

Whatever you store you need to separate that value from the key used
to generate it.

Your key could be the ID of a table that is joined.

Users & UserGroups are frequent tables to storing user data.  I add in
a third table that is not at all named properly for security.
OldBills could be a name.

I join Users to OldBills and from OldBills I pull the key value that I
pass to decrypting method.

This was a mandate for CC security on stored data demanded by merchant
banks in 2006 and I have followed it since.  Oh yeah you cannot put
the column UserID in oldBills ;->

-- 
Stephen Russell
Sr. Production Systems Programmer
SQL Server DBA
Web and Winform Development
Independent Contractor
Memphis TN

901.246-0159

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