On Tue, 2 Dec 2025 at 18:20, Ilari Liusvaara <[email protected]>
wrote:

> On Tue, Dec 02, 2025 at 07:46:58AM +0100, Filip Skokan wrote:
> > Hello Tiru,
> >
> > > PQ/T HPKE for JWE will be updated to use the "OKP" key type, consistent
> > with existing HPKE usage in JWE.
> >
> > Can you please elaborate? Existing OKP/EC registrations cannot be used to
> > represent the draft-ietf-hpke-pq-03
> > <https://www.ietf.org/archive/id/draft-ietf-hpke-pq-03.html> keys, not
> > their public composite component, nor the private seed component. No
> > P-256/P-384/X25519 JWK parser could deal with those values if they were
> > OKP. AKP is perfectly fitting for this. OKP is not.
>
> Firstly, OKP not just can represent keys like that, it was _designed_
> to do that.
>
> The JWE implementation I am working on is capable of dealing with such
> OKP JWK keys, and this is done without any extra code.
>
> And secondly, AKP is not fitting for this. Earlier I thought it AKP
> would fit this purpose, but then I tried implementing it... The
> encryption side is fine, the decryption side is not.
>

Could you please elaborate on the specific problem you encountered on the
decryption side ?

-Tiru


>
>
>
>
> -Ilari
>
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