[cryptography] ntru-crypto - Open Source NTRU Public Key Cryptography Algorithm and Reference Code

William Whyte wwhyte at securityinnovation.com
Wed Nov 27 18:39:48 EST 2013


It's meant to be 2 and later. Sorry if this isn't clear, we'll revise the
license text.

William

- sent from my phone
On Nov 27, 2013 6:28 PM, "Lars Luthman" <mail at larsluthman.net> wrote:

> So the news is that it can be used for GPL software without patent
> issues? If so that's nice, but the various documents are a bit
> confusing:
>
> https://github.com/NTRUOpenSourceProject/ntru-crypto
> > Is NTRU Patented?
> > Yes. The patents will still be enforced but may be used under the
> > GPL, i.e. under the condition that any work that uses them is also
> > made available under the GPL. The patents and the code
> > implementations are also available under standard commercial terms.
>
>
> Great!
>
>
> https://github.com/NTRUOpenSourceProject/ntru-crypto/blob/master/PATENTS.md
> > GPL
> > NTRU cryptographic patents may be used as long as the user adheres to
> > version two (2) of the GPL License. For details please refer to
> > COPYING-2.txt included in this distribution.
> >
> > The GPLv2 license may also be found on the gnu.org website at:
> > (http://www.gnu.org/licenses/gpl-2.0.html)
>
>
> ...but only GPLv2?
>
>
>
> https://github.com/NTRUOpenSourceProject/ntru-crypto/blob/master/COPYRIGHT.md
> > Copyright (C) 2009-2013 Security Innovation
> >
> > This program is free software; you can redistribute it and/or modify
> > it under the terms of the GNU General Public License as published by
> > the Free Software Foundation; either version 2 of the License, or (at
> > your option) any later version.
>
>
> And here it says GPLv2 or any later version, which includes GPLv3, which
> has the text about automatic patent licensing. Both GPLv2 and GPLv3 are
> included in the repository as COPYING-2.txt and COPYING-3.txt, and the
> source files have copyright notices that say GPLv2 or later.
>
> Does anyone know which it is? GPLv2 or later, or just GPLv2?
>
>
> --ll
>
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