[Lake] I-D Action: draft-ietf-lake-edhoc-psk-05.txt

internet-drafts@ietf.org Wed, 17 September 2025 13:24 UTC

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Subject: [Lake] I-D Action: draft-ietf-lake-edhoc-psk-05.txt
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Internet-Draft draft-ietf-lake-edhoc-psk-05.txt is now available. It is a work
item of the Lightweight Authenticated Key Exchange (LAKE) WG of the IETF.

   Title:   EDHOC Authenticated with Pre-Shared Keys (PSK)
   Authors: Elsa Lopez-Perez
            Göran Selander
            John Preuß Mattsson
            Rafael Marin-Lopez
            Francisco Lopez-Gomez
   Name:    draft-ietf-lake-edhoc-psk-05.txt
   Pages:   29
   Dates:   2025-09-17

Abstract:

   This document specifies a Pre-Shared Key (PSK) authentication method
   for the Ephemeral Diffie-Hellman Over COSE (EDHOC) key exchange
   protocol.  The PSK method enhances computational efficiency while
   providing mutual authentication, ephemeral key exchange, identity
   protection, and quantum resistance.  It is particularly suited for
   systems where nodes share a PSK provided out-of-band (external PSK)
   and enables efficient session resumption with less computational
   overhead when the PSK is provided from a previous EDHOC session
   (resumption PSK).  This document details the PSK method flow, key
   derivation changes, message formatting, processing, and security
   considerations.

The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-lake-edhoc-psk/

There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-lake-edhoc-psk-05.html

A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-lake-edhoc-psk-05

Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts

[Lake] I-D Action: draft-ietf-lake-edhoc-psk-05.t… internet-drafts