On Fri, Jul 08, 2022 at 01:46:30PM -0500, Orie Steele wrote:
> Actually I forgot about this:
>
> https://www.rfc-editor.org/rfc/rfc8037#section-2
>
> The parameter "crv" MUST be present and contain the subtype of the
> key (from the "JSON Web Elliptic Curve" registry).
>
> So I revise my Options to account for your new kty name:
>
> Option 1: { kty: AKP, pset: SPHINCS+-128s }
> Option 1: { kty: AKP, pset: CRYDI3 }
That is isomorphic to OKP (assuming sensible key encoding). What breaks
the isomorphism for AKP I proposed is subtyping on alg (more concretely:
alg -> crv is blocked by special meaning of alg).
> Option 2: { kty: CRYDI, pset: CRYDI3 }
> Option 2: { kty: SPHINCS+, pset: 128s }
That is isomorphic to OKP (nothing blocks crv <-> pset).
-Ilari
_______________________________________________
COSE mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/cose
