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Lightweight Authenticated Key Exchange (Active WG)
Sec Area: Roman Danyliw, Benjamin Kaduk | 2019-Oct-19 —  

2021-03-22 charter

Lightweight Authenticated Key Exchange (lake)


 Current Status: Active

     Mališa Vučinić <malisa.vucinic@inria.fr>
     Stephen Farrell <stephen.farrell@cs.tcd.ie>

 Security Area Directors:
     Roman Danyliw <rdd@cert.org>
     Benjamin Kaduk <kaduk@mit.edu>

 Security Area Advisor:
     Benjamin Kaduk <kaduk@mit.edu>

 Mailing Lists:
     General Discussion: lake@ietf.org
     To Subscribe:       https://www.ietf.org/mailman/listinfo/Lake
     Archive:            https://mailarchive.ietf.org/arch/browse/lake/

Description of Working Group:


  Constrained environments using OSCORE in network environments such as
  NB-IoT, 6TiSCH, and LoRaWAN need a ‘lightweight’ authenticated key
  exchange (LAKE) that enables forward security.  'Lightweight' refers to:

    * resource consumption, measured by number of round-trips to complete,
      bytes on the wire, wall-clock time to complete, or power consumption
    * the amount of new code required on end systems which already have an
      OSCORE stack

  but the LAKE must still provide the security properties expected of IETF
  protocols, e.g., providing confidentiality protection, integrity protection,
  and authentication with strong work factor.


  This working group is intended to be a narrowly focused activity
  intended to produce at most one LAKE for OSCORE usage and close.

  The working group will collaborate and coordinate with other IETF WGs
  such as ACE, CORE, 6TISCH, LPWAN, and LWIG to understand and validate the
  requirements and solution.  draft-selander-ace-cose-ecdhe is a candidate
  starting point for the LAKE produced by the WG.  Any work available from
  TLS or other WGs that satisfies the determined requirements will also be
  evaluated for suitability, but does not preclude the WG from freely
  selecting its preferred LAKE for OSCORE.

  Program of Work

  The deliverables of this WG are:

  1. Design requirements of the lightweight authenticated key exchange
  protocol for OSCORE (this draft will not be published as an RFC but will be
  used to drive WG consensus on the deliverable (2))

  2. Specify a lightweight authenticated key exchange protocol suitable for
  use in constrained environments using OSCORE

Goals and Milestones:
  Mar 2022 - solution document to IESG (if needed)
  Done     - WGLC on requirements document
  Done     - Adopt solution document or defer to existing external solution document

All charter page changes, including changes to draft-list, rfc-list and milestones:

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