enable DTLS negotiation

[Nikos Mavrogiannopoulos]

On Sat, 2016-09-17 at 12:14 +0100, David Woodhouse wrote:

> > > Can we ditch the first uint16 in payload, given that it is
> > > entirely
> > > redundant? Or am I misreading the spec to put it there in the
> > > first place,
> > > and the formal language is supposed to *include* what I called
> > > 'extlen'
> > According to the protocol tt has to be there.
> OK, thanks for confirming that. So that brings me to my next
> question,
> which is... given that the protocol is just a draft, should we
> propose
> *changing* it not to include that redundant length?

As this was a copy of the TLS 1.3 PSK format I doubt we can have any
significant influence at it.