Re: [TLS] DTLS 1.3

Nikos Mavrogiannopoulos <nmav@redhat.com> Tue, 05 July 2016 13:49 UTC

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Date: Tue, 05 Jul 2016 09:49:42 -0400
From: Nikos Mavrogiannopoulos <nmav@redhat.com>
To: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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Subject: Re: [TLS] DTLS 1.3
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----- Original Message -----
> On 04/07/16 20:54, Nikos Mavrogiannopoulos wrote:
> > 
> > where id is sent by the server to the client either via an extension, or
> > by simply assuming that the client will copy and keep the ID seen at the
> > server packets (it doesn't really matter that this ID is unprotected as
> > it doesn't contribute nor affect the security in any way).
> 
> Does that id need to be static? If so, then it'd act as an
> additional way to track a user roaming over different IP and
> ports. That'd be a pity. If such an id is useful, maybe there's
> a way to allow it to change as well, in a way predictable for
> the server.

Could be, but I don't have a use case for such a switch nor can think something
obvious, what do you have in mind?

regards,
Nikos