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From: | "arizvi" <ahmadwaris AT hotmail DOT com> |
Newsgroups: | comp.os.msdos.programmer,comp.os.msdos.djgpp |
Subject: | Re: Creating a copy protected floppy |
Date: | 12 Jul 2005 18:09:13 -0700 |
Organization: | http://groups.google.com |
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<42d445d0$1_1 AT spool9-west DOT superfeed DOT net> | |
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To: | djgpp AT delorie DOT com |
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Reply-To: | djgpp AT delorie DOT com |
> > Give up. > > Copy protection is an extremely disgusting thing for users. > I quite agree, but this is one of those things which I have to do for reasons outside my control. As a purely academic question also the technique(s) are interesting (for me at least). > > But, to discuss your subject, you'd need to directly access the floppy > controller. You'd need to feed it the appropriate commands and bytes. > > You'll need to look at the specs for the floppy disk format. There is a > certain number of bytes required before sectors, between sectors, etc. > A pointer to the floppy disk format and disk controller specs will be very helpful for me. I tried to search but could not find it. Please send me a link if you can .. If someone has some sample code for accessing the floppy disk controller, that would be awesome. > > You also have to allow for the possibility that not every floppy controller > will read the data the same way.... Thanks for the tip. I guess I will just have to experiment on this one. > > Now, having said that... Do you know how long it'll take somebody to crack > it? > > Probably less time than it took you to write it. > I understand that the program can easily be cracked. All I am looking for is to delay/stop the casual user of the program. Thanks for the help! Ahmad
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