> > *Rename encapsulated_key* > The main CBOR structure being defined here is “encapsulated_key”. I think > it should at least have “HPKE” in its name because it clearly is only for > HPKE. It will sit in the COSE registry. It’s clearly not any general COSE > mechanism for encapsulating keys. >
+1 > *Inputs to SealBase in two-layer mode* > I think an Enc_structure (5.3 in 9052) with context “Enc_Recipient” is > what should be given to SealBase for the aad parameter. This is not super > clear from 9052, but I think it is right. I’ve also been reading Jim’s code > and I think that is what it does. (There’s a few layers and occurrences of > AAD here — the external AAD input to COSE, the AAD input to the AEAD and > the AAD input to SealBase — none of these are the same). > Also, I think the info parameter to SealBase here should be “”. > I agree. My implementation does the same. Best, AJITOMI Daisuke 2023年3月2日(木) 3:28 Laurence Lundblade <[email protected]>: > This is probably not quite ready for detailed comments, but I did look it > over pretty carefully. I’ve sent comments to Hannes private, but here’s two > that may be of general interest. > > *Rename encapsulated_key* > The main CBOR structure being defined here is “encapsulated_key”. I think > it should at least have “HPKE” in its name because it clearly is only for > HPKE. It will sit in the COSE registry. It’s clearly not any general COSE > mechanism for encapsulating keys. > > *Inputs to SealBase in two-layer mode* > I think an Enc_structure (5.3 in 9052) with context “Enc_Recipient” is > what should be given to SealBase for the aad parameter. This is not super > clear from 9052, but I think it is right. I’ve also been reading Jim’s code > and I think that is what it does. (There’s a few layers and occurrences of > AAD here — the external AAD input to COSE, the AAD input to the AEAD and > the AAD input to SealBase — none of these are the same). > Also, I think the info parameter to SealBase here should be “”. > > LL > > > On Feb 27, 2023, at 10:57 AM, Hannes Tschofenig <[email protected]> > wrote: > > Hi all, > > > I have just submitted version -03 of the COSE-HPKE draft capturing the > feedback on the mailing list from the last 6 months: > > https://datatracker.ietf.org/doc/html/draft-ietf-cose-hpke > > > Please let me know if you think that this version is heading into the > right direction. > > > Ciao > > Hannes > > > > > _______________________________________________ > COSE mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/cose > > > _______________________________________________ > COSE mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/cose >
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