Hiya,
I had a quick scan: - I support adoption from the POV of liking to see HPKE be re-used(*) and this seems like a fine start - I'm not sure if having the plaintext always be a CEK is the best plan (could be fixed after adoption if/as needed) - might be better if pt can be application data and exporters are used if needed (not sure) - be good if the IANA section showed that there exists a good mapping from COSE codepoints to HPKE ones just to be sure no new HPKE codepoints are needed (and hence that existing implementations should work ok) Cheers, S. (*) To be open: my angle here is that I've got an HPKE implementation [1] and have recently submitted a PR [2] to try get that included in a future OpenSSL release. (If anyone has comments on that PR or it's discussion please do feel free add to the chat at [2], esp if you have an opinion on when you'd like to see HPKE supported in an OpenSSL release.) [1] https://github.com/sftcd/happykey [2] https://github.com/openssl/openssl/pull/17172 On 07/12/2021 15:47, Mike Jones wrote:
We've had only two people respond to the call for adoption - both authors. Ivo
and I decided today to give working group members another week to respond.
If you care whether this is adopted, please respond now when you read this note.
Thank you,
-- Mike & Ivo
From: COSE <[email protected]> On Behalf Of Mike Jones
Sent: Tuesday, November 23, 2021 7:56 AM
To: [email protected]
Subject: [COSE] Call for adoption of draft-tschofenig-cose-hpke-00
During IETF 112, we decided to issue a call for adoption for "Use of Hybrid
Public-Key Encryption (HPKE) with CBOR Object Signing and Encryption (COSE)", as
recorded in the minutes at https://datatracker.ietf.org/doc/minutes-112-cose/.
Please reply to this message within the next two weeks (by Tuesday, December 7,
2021) indicating either support for its adoption or stating why you oppose its
adoption.
Thank you,
-- Mike (writing as COSE
co-chair)
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