Combining EDHOC and OSCORE

Document Type Replaced Internet-Draft (candidate for core WG)
Authors Francesca Palombini  , Marco Tiloca  , Rikard Höglund  , Stefan Hristozov  , Göran Selander 
Last updated 2021-03-12 (latest revision 2021-02-19)
Replaced by draft-ietf-core-oscore-edhoc
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
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Stream WG state Call For Adoption By WG Issued
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-core-oscore-edhoc
Consensus Boilerplate Unknown
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines an optimization approach for combining the lightweight authenticated key exchange protocol EDHOC run over CoAP with the first subsequent OSCORE transaction. This combination reduces the number of round trips required to set up an OSCORE Security Context and to complete an OSCORE transaction using that Security Context.


Francesca Palombini (
Marco Tiloca (
Rikard Höglund (
Stefan Hristozov (
Göran Selander (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)