Re: [tor-dev] Onioncat and Prop224

2016-05-19 Thread grarpamp
On 4/30/16, str4d wrote: > On 27/04/16 22:31, grarpamp wrote: >> Yep :) And I know Bernhard was hoping to get in touch with Roger >> on this before long. >> >> Basically, prop224 HS being wider than 80 bits will break onioncat's >> current HS onion <---> IPv6 addressing mechanism. >> >> They're lo

Re: [tor-dev] [proposal] Post-Quantum Secure Hybrid Handshake Based on NewHope

2016-05-19 Thread lukep
Peter Schwabe writes: > > isis wrote: > > Hi all, > > > Nope, it would still not work to fix the timing attack. Although, luckily, we > > already wrote some constant time code for my sorting-network idea, and then, > > with some coffee, Peter made it faster. (Give us something stronger to d

Re: [tor-dev] [proposal] Post-Quantum Secure Hybrid Handshake Based on NewHope

2016-05-19 Thread Deirdre Connolly
Granted that this is an experimental implementation (as acknowleged by the Boring devs) in a very different protocol with different tradeoffs. On Thu, May 19, 2016 at 2:42 PM Yawning Angel wrote: > On Thu, 19 May 2016 17:21:47 + > Deirdre Connolly wrote: > > > Not sure if this has been note

Re: [tor-dev] [proposal] Post-Quantum Secure Hybrid Handshake Based on NewHope

2016-05-19 Thread Yawning Angel
On Thu, 19 May 2016 17:21:47 + Deirdre Connolly wrote: > Not sure if this has been noted before on this thread, but the > BoringSSL team is working on something very similar: > > https://boringssl-review.googlesource.com/#/c/7962/ Skimming the code: * The protocol level stuff is not usefu

Re: [tor-dev] [proposal] Post-Quantum Secure Hybrid Handshake Based on NewHope

2016-05-19 Thread Deirdre Connolly
Not sure if this has been noted before on this thread, but the BoringSSL team is working on something very similar: https://boringssl-review.googlesource.com/#/c/7962/ On Thu, May 19, 2016 at 1:01 PM Yawning Angel wrote: > On Tue, 17 May 2016 17:49:46 + (UTC) > lukep wrote: > > > [snip] >

Re: [tor-dev] [proposal] Post-Quantum Secure Hybrid Handshake Based on NewHope

2016-05-19 Thread Yawning Angel
On Tue, 17 May 2016 17:49:46 + (UTC) lukep wrote: > > [snip] > > > In other words, I'd expect our future trust in Ring-LWE and SIDH > > > to evolve in different ways. And counting papers will not be > > > informative. > > > > Yeah probably. I can envision having no choice but to use S

Re: [tor-dev] [proposal] Post-Quantum Secure Hybrid Handshake Based on NewHope

2016-05-19 Thread isis agora lovecruft
ban...@openmailbox.org transcribed 7.3K bytes: > This brings up another point that digresses from the discussion: > > Dan and Tanja support more conservative systems like McEliece because it > survived decades of attacks. In the event that cryptanalysis eliminates > Lattice crypto, McEliece will r