A new section has been added to the draft to justify the combination of PQC-only and PQ/T hybrid KEMs with specific KDF and AEAD algorithms, https://www.ietf.org/archive/id/draft-reddy-cose-jose-pqc-hybrid-hpke-11.html#section-7. Please take a look and share any feedback, especially if there are concerns regarding the justification of particular KEM/KDF/AEAD pairings.
Cheers, -Tiru On Thu, 12 Feb 2026 at 19:54, tirumal reddy <[email protected]> wrote: > Hi, > > We have updated the draft "Post-Quantum and Hybrid KEMs for HPKE with JOSE > and COSE" > https://datatracker.ietf.org/doc/draft-reddy-cose-jose-pqc-hybrid-hpke/ > to version 10. As many of you recall, this draft has been presented > multiple times in both COSE/JOSE WGs. While there was general interest, the > WG adoption of this draft was previously postponed to allow for the > completion COSE-HPKE and JOSE-HPKE specifications. > > With those base documents now mature, we have updated this draft to ensure > alignment with, JOSE/COSE HPKE and HPKE PQ specs. > > Further, comments and suggestions are welcome. > > we also request the Chairs to initiate a second WG adoption call for this > draft. > > Best Regards, > -Tiru > > -----Original Message----- > From: [email protected] <[email protected]> > Sent: Wednesday, February 11, 2026 6:04 PM > To: K Tirumaleswar Reddy (Nokia) <[email protected]>; Hannes > Tschofenig <[email protected]>; Hannes Tschofenig < > [email protected]>; K Tirumaleswar Reddy (Nokia) < > [email protected]> > Subject: New Version Notification for > draft-reddy-cose-jose-pqc-hybrid-hpke-10.txt > > > CAUTION: This is an external email. Please be very careful when clicking > links or opening attachments. See the URL nok.it/ext for additional > information. > > > > A new version of Internet-Draft > draft-reddy-cose-jose-pqc-hybrid-hpke-10.txt > has been successfully submitted by Tirumaleswar Reddy and posted to the > IETF repository. > > Name: draft-reddy-cose-jose-pqc-hybrid-hpke > Revision: 10 > Title: Post-Quantum and Hybrid KEMs for HPKE with JOSE and COSE > Date: 2026-02-11 > Group: Individual Submission > Pages: 21 > URL: > https://www.ietf.org/archive/id/draft-reddy-cose-jose-pqc-hybrid-hpke-10.txt > Status: > https://datatracker.ietf.org/doc/draft-reddy-cose-jose-pqc-hybrid-hpke/ > HTML: > https://www.ietf.org/archive/id/draft-reddy-cose-jose-pqc-hybrid-hpke-10.html > HTMLized: > https://datatracker.ietf.org/doc/html/draft-reddy-cose-jose-pqc-hybrid-hpke > Diff: > https://author-tools.ietf.org/iddiff?url2=draft-reddy-cose-jose-pqc-hybrid-hpke-10 > > Abstract: > > This document specifies the use of Post-Quantum (PQ) and Post- > Quantum/Traditional (PQ/T) Hybrid Key Encapsulation Mechanisms (KEMs) > within the Hybrid Public Key Encryption (HPKE) for JOSE and COSE. It > defines algorithm identifiers and key formats to support pure post- > quantum algorithms (ML-KEM) and their PQ/T hybrid combinations. > > > > The IETF Secretariat > > >
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