[noise] Session identifiers

[Alex]

On Mon, 18 Apr 2016 21:12:55 -0700
Trevor Perrin <trevp at trevp.net> wrote:

> Maybe you need to support smartcard auth with RSA signing or something
> that doesn't fit into Noise, or do password-based auth, or auth
> triggered by the user's request to access a particular resource that
> occurs after the handshake, or you want a design like TCPcrypt, where
> encryption is opportunistically negotiated by the network stack (E.g.
> Noise_NN), and applications can add their own auth...
> 

Those are all good points. I'll be sure to include a function in my API
which allows users to extract the `h` value.

-- 
Alex