[art] Re: AD Evaluation: draft-barnes-sframe-iana-256-00

[Emad Omara <[e-mail]>]

Hi Orie,

What are the next steps here to close this?

Emad

> On Oct 31, 2025, at 11:57 AM, Orie <[e-mail]> wrote:
> 
> 
> Hi,
> 
> I'm AD Sponsoring this draft. 
> 
> Since the sframe list is no longer active I have set the art area list as the discussion venue.
> 
> Here is my AD Evaluation:
> 
> ## Discuss worthy
> 
> ### Change controller
> 
> ```
> The "Change Controller" entry should be removed.
> ```
> 
> Why? These registries were established with the IETF as the change controller.
> 
> The registration policy is Spec Required with a call out per rfc9605:
> 
> ```
> Recommended: Whether support for this cipher suite is recommended by the IETF. Valid values are "Y", "N", and "D" as described in Section 17.1 of [MLS-PROTO]. The default value of the "Recommended" column is "N". Setting the Recommended item to "Y" or "D", or changing an item whose current value is "Y" or "D", requires Standards Action [RFC8126].
> ```
> 
> In my reading, IETF remains the change controller regardless of the column given the note about standards action.
> 
> What motivated the decision to remove the change controller column?
> 
> ## Comments
> 
> ### auth subkey?
> 
> ```
>    *  enc_key: The encryption subkey produced by the derive_subkeys()
>       algorithm
> 
>    *  auth_key: The encryption subkey produced by the derive_subkeys()
>       algorithm
> ```
> 
> ### Why typically?
> 
> ```
>    *  Nt: The overhead in bytes of the encryption algorithm (typically
>       the size of a "tag" that is added to the plaintext)
> ```
> 
> In which cases is this not the size of the tag? Why the optionality here?
> 
> 
> --
> 
> I'm onsite at IETF 124 in case you want to discuss in higher bandwidth, but please answer these questions on list : )
> 
> Regards,
> 
> OS, ART AD