Subject: Re: [Secdispatch] draft-friel-tls-atls-02

From: "Owen Friel (ofriel)" <[email-masked]>
Date: Tue, 12 Mar 2019 15:54:04 +0000

cc: secdispatch and ace as this is related to the ongoing cTLS and EDHOC discussions.

From: Hannes Tschofenig <[email-masked]>
Sent: 12 March 2019 11:22
To: [email-masked]
Cc: Owen Friel (ofriel) <[email-masked]>
Subject: draft-friel-tls-atls-02

Hi all,

We submitted an update of the ATLS draft, which now contains text about conveying the TLS handshake over CoAP. This part was missing in -01.
This new version also supports establishment of OSCORE security contexts based on the TLS/DTLS handshake. While this is still a bit experimental it was something that was suggested to use in the IETF.

We are looking forward to see how this document plays out in context of https://tools.ietf.org/html/draft-schaad-ace-tls-cbor-handshake-00 and https://tools.ietf.org/html/draft-rescorla-tls-ctls-01.
Unlike regular TLS usage where there are limits to what can be done to the TLS record layer and the TLS handshake thanks to existing middleboxes the use of ATLS makes these optimizations possible.

Ciao
Hannes

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