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RFC 9528
Title: Ephemeral Diffie-Hellman Over COSE (EDHOC)
Author: G. Selander,
J. Preuß Mattsson,
F. Palombini
Status: Standards Track
Stream: IETF
Date: March 2024
Mailbox: goran.selan...@ericsson.com,
john.matts...@ericsson.com,
francesca.palomb...@ericsson.com
Pages: 82
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-lake-edhoc-23.txt
URL: https://www.rfc-editor.org/info/rfc9528
DOI: 10.17487/RFC9528
This document specifies Ephemeral Diffie-Hellman Over COSE (EDHOC), a
very compact and lightweight authenticated Diffie-Hellman key
exchange with ephemeral keys. EDHOC provides mutual authentication,
forward secrecy, and identity protection. EDHOC is intended for usage
in constrained scenarios, and a main use case is to establish an
Object Security for Constrained RESTful Environments (OSCORE)
security context. By reusing CBOR Object Signing and Encryption
(COSE) for cryptography, Concise Binary Object Representation (CBOR)
for encoding, and Constrained Application Protocol (CoAP) for
transport, the additional code size can be kept very low.
This document is a product of the Lightweight Authenticated Key Exchange
Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
memo is unlimited.
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