[noise] Session identifiers

Alex alex at centromere.net
Mon Apr 18 20:07:07 PDT 2016

On Tue, 19 Apr 2016 11:21:32 +1000
Rhys Weatherley <rhys.weatherley at gmail.com> wrote:

> Is there some equivalent session identifier for Noise, and/or should
> we specify one?  Perhaps a final HKDF(ck, onelen) where "onelen" is a
> single-byte string to distinguish it from the "zerolen" value used to
> generate encryption keys?  Split() would thus be modified to return
> (c1, c2, session_id).

It would seem to me that authentication is already handled by the
presence of static keys. I.e., given a compatible pattern, the
handshake will fail if the static key I have on file for you is not the
one I received during the handshake.


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