Preference is for ciphersuite (fully specified) approach
From: COSE <[email protected]> On Behalf Of Ivaylo Petrov Sent: Tuesday, September 5, 2023 6:31 PM To: cose <[email protected]> Subject: [COSE] Consensus call on COSE HPKE algorithm representations Some people who received this message don't often get email from [email protected]<mailto:[email protected]>. Learn why this is important<https://aka.ms/LearnAboutSenderIdentification> Dear all, We had long discussions on the mailing list (see [COSE] COSE-HPKE and the Single Algorithm Discussion (ietf.org)<https://mailarchive.ietf.org/arch/msg/cose/_GQXXpltAgXNozXIFC9z1yY1CCM/>) and a summary presentation at the last IETF meeting (see slides-117-code-updated-hike-summary-notes-from-hannes (ietf.org)<https://datatracker.ietf.org/meeting/117/materials/slides-117-cose-updated-hpke-summary-notes-from-hannes> and COSE IETF 117 - HedgeDoc<https://notes.ietf.org/notes-ietf-117-cose>) about the question whether algorithm combinations should be presented in an "a la carte" style or as a "ciphersuite" in draft-ietf-cose-hpke ("A la carte" corresponds to "polymorphic" in https://www.ietf.org/archive/id/draft-jones-jose-fully-specified-algorithms-01.html and "ciphersuite" corresponds to "fully specified"). On the mailing list and during the face to face meeting there was a strong consensus to use the ciphersuite (fully specified) approach. The chairs would like to confirm this decision. You have 2 weeks till Tuesday, the 19th of September to provide your final feedback. Please reply-all indicating your preference for either: * * * ciphersuite (fully specified) approach * * * * A la carte (polymorphic) approach * The authors will be then instructed to update the COSE-HPKE working group draft accordingly. Best wishes, Ivaylo on behalf of the COSE chairs
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