linux-kernel - Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3

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Date:	Thu, 21 Jun 2007 12:01:25 +0400
From:	Manu Abraham <abraham.manu@...il.com>
To:	david@...g.hm
CC:	Alexandre Oliva <aoliva@...hat.com>,
	Andrew McKay <amckay@...rs.ca>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Al Viro <viro@....linux.org.uk>,
	Bernd Schmidt <bernds_cb1@...nline.de>,
	Ingo Molnar <mingo@...e.hu>,
	Daniel Hazelton <dhazelton@...er.net>,
	Greg KH <greg@...ah.com>,
	debian developer <debiandev@...il.com>,
	Tarkan Erimer <tarkan@...one.net.tr>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3

david@...g.hm wrote:

> what sort of signal can the network controller send that couldn't be
> forged by the OS?
> 
> how would you do this where the device is a receiver on the netwoek
> (such as a satellite receiver)

just for the question on the HOWTO (not on anything else)

You can easily have scrambled streams with regards to DVB, eg: using
EN50221. Some (like NDS for example in _some_ instances) use proprietary
schemes, but there are standards based methods also. eg: Common
Scrambling Algorithm (CSA)

But in any case, this can be broken down too .. :-)
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