Hiya,

On 30/08/2019 23:24, Benjamin Kaduk wrote:
> Hi all,
> 
> New values for core types like TLS HandshakeType and ContentType don't
> happen very often, so I thought people might be interested to know that
> draft-ietf-perc-srtp-ekt-diet (currently in IESG evaluation) is allocating
> a HandshakeType, to carry key information used to encrypt SRTP media key
> material.
> Obviously "it's never too late to change until the RFC is published", but I
> think there would need to be some pretty serious issues in order to change
> it at this point, so this is expected to just be an "FYI".

I guess I ought read the draft properly, but a scan
of the draft doesn't seem to show any references to
the kind of analyses that were done for tls1.3. I'm
not clear why that's ok. Is there a reason why that
is ok?

It was great that many people worked to do security
proofs for tls1.3. It'd be a shame to lose that via
extensions that are less well analysed.

Thanks,
S.


> 
> -Ben
> 
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> 

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