Re: [tor-dev] PQ crypto updates

2017-09-18 Thread Yawning Angel
On Sun, 17 Sep 2017 21:04:28 -0400 Nick Mathewson wrote: > I think the first step here is to instrument relays to figure out what > fraction of their cryptography is relay cell cryptography: this could > tells us what slowdown we should expect. (It _should_ be about a > third of our current cell

Re: [tor-dev] PQ crypto updates

2017-09-17 Thread Nick Mathewson
On Sat, Sep 2, 2017 at 4:16 AM, Peter Schwabe wrote: > Yawning Angel wrote: > > > Hi Yawning, hi all, > >> Note, I'm not hating on Farfalle, I need to look at it more, and the >> last time I gave serious thought to this question in a Tor context was >> back around the time Prop 261 was being draf

Re: [tor-dev] PQ crypto updates

2017-09-02 Thread Peter Schwabe
Yawning Angel wrote: Hi Yawning, hi all, > Note, I'm not hating on Farfalle, I need to look at it more, and the > last time I gave serious thought to this question in a Tor context was > back around the time Prop 261 was being drafted. > > The answer to this from my point of view is "not slow

Re: [tor-dev] PQ crypto updates

2017-08-23 Thread Yawning Angel
On Tue, 22 Aug 2017 20:47:06 +0200 Peter Schwabe wrote: > Yawning Angel wrote: > > Hi Yawning, hi all, > > > Ultimately none of this matters because Prop. 261 is dead in the > > water. Assuming people want the new cell crypto to be both fragile > > and to resist tagging attacks, Farfalle may b

Re: [tor-dev] PQ crypto updates

2017-08-22 Thread Peter Schwabe
Yawning Angel wrote: Hi Yawning, hi all, > Ultimately none of this matters because Prop. 261 is dead in the > water. Assuming people want the new cell crypto to be both fragile and > to resist tagging attacks, Farfalle may be a better choice, assuming > there's a Keccak-p parameterization such

Re: [tor-dev] PQ crypto updates

2017-08-20 Thread Yawning Angel
On Sun, 20 Aug 2017 16:32:17 + Taylor R Campbell wrote: > > ... I'm not seeing your point. Even prior to that paper, AEZ > > wasn't thought to be quantum resistant in anyway shape or form, and > > providing quantum resistance wasn't part of the design goals of the > > primitive, or really wh

Re: [tor-dev] PQ crypto updates

2017-08-20 Thread Taylor R Campbell
> Date: Sat, 19 Aug 2017 06:55:29 + > From: Yawning Angel > > On Sat, 19 Aug 2017 04:11:16 - > ban...@openmailbox.org wrote: > > Boom headshot! AEZ is dead in the water post quantum: > > > > Paper name: Quantum Key-Recovery on full AEZ > > > > https://eprint.iacr.org/2017/767.pdf > > .

Re: [tor-dev] PQ crypto updates

2017-08-18 Thread Yawning Angel
On Sat, 19 Aug 2017 04:11:16 - ban...@openmailbox.org wrote: > Boom headshot! AEZ is dead in the water post quantum: > > Paper name: Quantum Key-Recovery on full AEZ > > https://eprint.iacr.org/2017/767.pdf ... I'm not seeing your point. Even prior to that paper, AEZ wasn't thought to be q

[tor-dev] PQ crypto updates

2017-08-18 Thread bancfc
If I understand correctly, DJB describes how NTRU-Prime is more robust against certain attack classes that Ring-LWE is more prone to: https://twitter.com/hashbreaker/status/880086983057526784 *** About two months later DJB releases a streamlined version of NTRU-Prime that is faster, safer and