Mail Archives: djgpp/1997/06/20/14:21:09
James MacDonald <trill AT Xnetbook DOT demon DOT co DOT uk> wrote:
> Copy protection (key-disk)
> --------------------------
>
> I have a disk formatter that can format lots of weird formats (like
> 1.72Mb, 984Kb on a 720Kb diskette, and any number between). I can create
> my own as well, so if I wanted key disks I'd use floppies formatted to
> 1500Kb for them.
etc....
> Obviously some would be able to get around this protection, BUT the
> normal end user wouldn't by simply copying the disk. TRUE or !TRUE?
Not TRUE, the users knows about good disk-copy utilities to copy strange
formats (I copied some disks that were supposed to be protected by a laser
damage and the program was looking for the particular error). That's because
the one that makes the copies isn't the user itself, is a pirat.
> Self-modifying EXE
> ------------------
>
> Is this possible?
> Some programs can do it. I'd like to be able to patch a registration
> name and serial number into a program. How can this be done with DJGPP?
Why not? You can modify the disk image of your program to put these values.
SET
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