[curves] Post-quantum Axolotl

William Whyte wwhyte at securityinnovation.com
Wed Jul 22 13:23:07 PDT 2015

Just to be clear about the NTRU license situation:

NTRU can be used under GPL v2 or higher:

It can also be used in projects distributed under other open source
licenses under certain conditions (which may or may not be acceptable but
are not uncommon in the GPL space):

(and just to be clear about *my* situation, I work for Security Innovation
which owns the NTRU patents).

I just presented to TLS and CFRG on one way of combining a quantum-safe key
exchange algorithm with existing classical ciphersuite, essentially by
encrypting an additional secret in parallel with an ephemeral quantum-safe
key and hashing it into the state. Would that approach work here or would
there be problems integrating it with the "ratchet"?

(also, sorry for staying on curves -- should this be on messaging?)



On Wed, Jul 22, 2015 at 7:16 PM, Tony Arcieri <bascule at gmail.com> wrote:

> On Wed, Jul 22, 2015 at 1:10 AM, Jeff Burdges <burdges at gnunet.org> wrote:
>> Is there a good Diffie-Hellman analog for NTRU?
> There's post-quantum algorithms like Ring LWE:
> https://eprint.iacr.org/2014/599.pdf
> I'd also note NTRU is patented. The patents are free to use, but only for
> GPLv3 programs.
> Also I'm not really sure this is all on topic for "curves"
> --
> Tony Arcieri
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