Hubert Kario <[email protected]> writes:

> As is described in secion 5.1. of RFC 4492, and then reiterated in 
> section 2.2. of this draft - the elliptic_curves (a.k.a. supported_groups) 
> guides both the ECDH curves and curves understandable by peer for ECDSA 
> signatures.
>
> As Curve25519 and Curve448 can only be used for ECDHE, maybe they should be 
> defined/named in the registry as such, to remove any ambiguity[1]:
>
>          enum {
>               Curve25519_ecdh(TBD1),
>               Curve448_ecdh(TBD2),
>          } NamedCurve;

I don't care strongly.  One disadvantage with this is that if we decide
to reuse these NamedCurve allocations to have something to do with
Ed25519, the naming above will be confusing.  However, I believe it is
already likely that Ed25519 will have its own NamedCurve.

/Simon

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