Internet-Draft draft-ietf-cose-hpke-18.txt is now available. It is a work item
of the CBOR Object Signing and Encryption (COSE) WG of the IETF.
Title: Use of Hybrid Public-Key Encryption (HPKE) with CBOR Object Signing
and Encryption (COSE)
Authors: Hannes Tschofenig
Orie Steele
Daisuke Ajitomi
Laurence Lundblade
Name: draft-ietf-cose-hpke-18.txt
Pages: 24
Dates: 2025-10-19
Abstract:
This specification defines hybrid public-key encryption (HPKE) for
use with CBOR Object Signing and Encryption (COSE). HPKE offers a
variant of public-key encryption of arbitrary-sized plaintexts for a
recipient public key.
HPKE is a general encryption framework utilizing an asymmetric key
encapsulation mechanism (KEM), a key derivation function (KDF), and
an Authenticated Encryption with Associated Data (AEAD) algorithm.
This document defines the use of HPKE with COSE. Authentication for
HPKE in COSE is provided by COSE-native security mechanisms or by the
pre-shared key authenticated variant of HPKE.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-cose-hpke/
There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-cose-hpke-18
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-cose-hpke-18
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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