Messages in this thread | | | Date | Thu, 02 Feb 2006 18:40:27 +0100 | From | (Emilio Jesús Gallego Arias) | Subject | Re: GPL V3 and Linux - Dead Copyright Holders |
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Linus Torvalds <torvalds@osdl.org> writes:
> Besides, the people who inserted the DRM code explicitly gave you > permission to modify it, so the whole point is moot. There's no > "circumvention".
Yes, it is mostly clear, and indeed GPL3 seems a little bit over engineered, but that doesn't mean that GPL2 could not have any loopholes:
1. Release a kernel with builtin DRM for video. (For example HDCP [1]) Such DRM implementation is released under the GPL2 by copyright holder A.
2. Distribute a modified kernel without DRM. Copyright holder A gave you permission to do so, by the GPL2, everything is OK.
3. People can backup videos from copyright holder B using the modified kernel.
4. Copyright holder B can sue you under the DMCA, for circumventing an effective technological measure. It doesn't matter whatever license copyright holder A gave you.
Regards,
Emilio
Footnotes: [1] High-Bandwidth Digital Content Protection. Currently you would never get a license for a GPL implementation, but it's used as an hypothetical example.
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