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 From: Dale Dedoroy
  Where is Dale Dedoroy?
 Bacolod City, Negros Occidental
 Philippines
 Dale Dedoroy
 To: Chris Van de Velde
  Where is Chris Van de Velde?
 antwerpen
 Belgium
 Chris Van de Velde
 Tags
Subject: RE: Connection string & decompiler
Thread ID: 22451 Message ID: 22498 # Views: 2 # Ratings: 0
Version: Visual FoxPro 7 Category: General VFP Topics
Date: Sunday, April 20, 2003 12:24:21 PM         
   


> > > I have written an application, ready to sell, but this is connection to a MySQL database for logging in.
> > > I know of the existance of REFOX (probably other decompilers to), probably using these it is not hard to find the connection string to hack the databse. Is it therefore possible to hide the connection string somewhere so that it is hard (or impossible) to find?
> > > Is it possible to be protected against a decompiler (seeing machine code or assembly does not disturb me, but a high-level programing does)? I do know that there is no 100% protection against hacking!
> > > Chris Van de Velde
> >
> If the program can be decompiled to hack it, the decrypt module can be seen to, meaning a lot of work to gain nothing at all?
> > What about using an encrypted connection string in your code? You can decrypt the string at runtime.
> > --
> > Eric den Doop
> > www.foxite.com - The Home Of The Visual FoxPro Experts
>
>
> Chris Van de Velde

Place your encryption code in a visual class. Open it as a table and replace the Method field with a null string. Compile your exe with Encrypted checkbox checked and Debug info uncheck. Refox cannot restore the compiled code stored in ObjectCode of the VCX.

Dale

"Man's mind once stretched by a new idea never regains its original dimension."

COMPLETE THREAD

Connection string & decompiler Posted by Chris Van de Velde @ 4/18/2003 8:48:39 AM
RE: Connection string & decompiler Posted by vijayan @ 4/18/2003 10:22:38 AM
RE: Connection string & decompiler Posted by Chris Van de Velde @ 4/19/2003 1:18:36 AM
RE: Connection string & decompiler Posted by Boudewijn Lutgerink @ 4/21/2003 11:40:56 AM
RE: Connection string & decompiler Posted by Eric den Doop @ 4/18/2003 10:47:57 AM
RE: Connection string & decompiler Posted by Chris Van de Velde @ 4/19/2003 1:20:43 AM
RE: Connection string & decompiler Posted by vijayan @ 4/20/2003 8:28:49 AM
RE: Connection string & decompiler Posted by Chris Van de Velde @ 4/21/2003 6:54:45 PM
RE: Connection string & decompiler Posted by Dale Dedoroy @ 4/20/2003 12:24:21 PM
RE: Connection string & decompiler Posted by drCipher @ 4/21/2003 8:15:57 PM