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

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Date:	Thu, 21 Jun 2007 16:38:30 -0300
From:	Alexandre Oliva <aoliva@...hat.com>
To:	davids@...master.com
Cc:	<alan@...rguk.ukuu.org.uk>,
	"Linux-Kernel\@Vger. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3

On Jun 21, 2007, "David Schwartz" <davids@...master.com> wrote:

>> On Wed, 20 Jun 2007 12:55:10 -0700
>> "David Schwartz" <davids@...master.com> wrote:

>> > A key is a number. A signature is a number. They are neither
>> > statements nor
>> > instructions. The argument that GPLv2 prohibits Tivoization is
>> > really and
>> > truly absurd. It has neither a legal nor a moral leg to stand on.

>> A computer program is a number too.

> No, it's not. It can be expressed as a number, but it is not a number.

By this logic, then a key is a key, and a signature is a signature.
They can be expressed as numbers, sure.

> A computer program is a set of instructions to accomplish a particular
> result. It can be expressed as a number, but that doesn't mean it is a
> number.

A key is an input to a cryptographical algorithm, and a signature is
an output.  I could try to come up with more creative definitions, but
you get the idea already.

-- 
Alexandre Oliva         http://www.lsd.ic.unicamp.br/~oliva/
FSF Latin America Board Member         http://www.fsfla.org/
Red Hat Compiler Engineer   aoliva@...dhat.com, gcc.gnu.org}
Free Software Evangelist  oliva@...d.ic.unicamp.br, gnu.org}
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