[noise] Notes and thoughts from RWC2017

Trevor Perrin trevp at trevp.net
Sun Jan 15 21:53:40 PST 2017

On Sun, Jan 15, 2017 at 3:07 PM, zaki at manian.org <zaki at manian.org> wrote:
> The blockchain scaling solution Lightning network is using Noise at the p2p
> layer
> http://lightning.community/release/software/lnd/lightning/2017/01/10/lightning-network-daemon-alpha-release/

Oh, beautiful!  There's a very good spec:


The code is named properly (after a noise - "brontide"):


They're doing Noise_XK_secp256k1_ChaChaPoly_SHA256, so this introduces
a new pattern and a new curve into use.

They specify symmetric-key update in the transport phase.  If people
are going to keep wanting this we might consider saying something
about it in the Noise spec.


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