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From: Greg.Smith@p11.f477.n104.z1.METRONET.ORG (Greg Smith)
Newsgroups: comp.os.msdos.misc
Subject: File Protection In Ms-dos
Message-ID: <34.2771BC34@bohemia.metronet.org>
Date: 20 Dec 90 08:40:00 GMT
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To: rtaylor@sky00.bwi.wec.com
To: rtaylor@tron.UUCP (Randy Taylor)

In a message to All <18 Dec 90 01:40> Randy Taylor wrote:

 RT> There is a PC-employable algorithm for data encryption called MPJ.
 RT> I picked up info on this from CompuServe in the IBMSYS forum. There
 RT> is a Master's Thesis called THESIS.DOC and a ZIP file with a menu-driven
 RT> program that uses the MPJ routine on the file you specify.

 RT> MPJ goes beyond DES (apparently WAY BEYOND). The key is a series of 16
 RT> individual hex digits ranging from 00 to FF. According to the thesis, it
 RT> would take a string of supercomputers 10,000+ years to break the encoded
 RT> data. I did some rough calculations and figured that, with the available
 RT> number of keys and a computer running at 1 picosecond per key try, it
 RT> would take about 1 x 10^19 years to break the code ! :-()

 RT> The problems with MPJ (in my opinion) are :

 RT> 1) Remembering the key. There are
 RT> 256^16 of them, which is good, but each is
 RT>   16 digits wide, which is bad on the brain !
Write down the code so that someone can come find it and forget about breaking it!  :-)

 RT> PS - Please e-mail comments or questions to the addresses listed below. I
 RT>     don't make it to this forum very often. Thanks :-) !
If you're getting this, I did it right...  I would like to find out about this MJP encryption, is it possible to send the thesis and pascal source through usenet here?



                                   Greg.Smith@bohemia.uucp
                                   Greg.Smith@bohemia.metronet.org
                             Fido: Greg.Smith@1:104/120


          
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