[noise] RFC: Encrypted sliding window transport layer

[Jason A. Donenfeld]

I too am working on something similar, in the context of a UDP-based VPN.
It's a bit tricky because not only can packets be dropped but they can also
arrive out of order. So that makes a constantly changing and synchronized
key, as used by noise, not quite possible. I'm opting just to start
initiating a rekeying handshake every 2 minutes, trying every 5 seconds
until it completes a rekeying handshake, and tossing the old key after 3
minutes.

-- 
Jason A. Donenfeld
Deep Space Explorer
fr: +33 6 51 90 82 66
us: +1 513 476 1200
www.jasondonenfeld.com
www.zx2c4.com
zx2c4.com/keys/AB9942E6D4A4CFC3412620A749FC7012A5DE03AE.asc
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