Re: GPL violation in Netopsystems FEAD Optimizer/Recomposer used by Adobe Reader Install package

Hi,

>>So this is proof of concept that they use UPX,
>>which is copyrighted by the
>>GPL.
>
>I believe you need a prof that they use UPX code and not only that the
>algorithm/format is the same as UPX.

I think only Markus Oberhumer himself can really proof if they use his code.
I am absolutely sure they do. UPX is such a complex program which uses many
tricks and ways to compress the files that this is proof enough that they
use it. If they only would use the compression library for compressing
something, ok. But they use the UPX overhead program which decides, which
sections within a PE file to compress and how to move them within the PE
file and to make the compressed PE file work by adjusting the PE header and
stuff like that. Such a thing CANNOT just be re-programmed and then it works
exactly the same way UPX does. Its not that they are using the same
"algorithm/format" - the algorithm or format is what UPX is, so they stole
the technology, using the same code or not. Hope you understand my point of
view, but in my opinion there is no need for a proof that they really use
the UPX source code for doing this. They use the software technology which
is copyrighted by the GPL.