libhydrogen now implements NOISE_N and NOISE_KK in addition to NOISE_XX. Any other frequently used variant I should add?
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Replying to @3164702693
Besides saving a round trip, why is IK required if XX is available?
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Replying to @jedisct1 @3164702693
WireGuard uses IKpsk2 -- you'll need to implement the PSK handshake modifiers. Re:XX-I assume you meant XK in the comparison? The advantage for wg of IK is that we can put auth in the first message, in order to avoid state-tracking and have stealth (protocol non-chattiness).
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Replying to @EdgeSecurity @3164702693
I’m not convinced that it is a common mandatory requirement, but protocol non-chattiness is a good point. Thanks!
7:53 AM - 5 Jan 2018
from Paris
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