Hi Alan,

This is a friendly reminder that we await answers to the followup questions 
below and your review of the document before continuing with the publication 
process. 

Thank you!

Madison Church
RFC Production Center

> On Feb 11, 2026, at 3:52 PM, Madison Church <[email protected]> 
> wrote:
> 
> Hi Alan,
> 
> Thank you for your reply! We have updated the document as requested and have 
> a few followup questions/comments.
> 
>>> 23) <!-- [rfced] Should this citation be to BCP26 or RFC 8126?
>>> 
>>> Current: 
>>> This section provides guidance to the Internet Assigned Numbers
>>> Authority (IANA) regarding registration of values related to the TEAP
>>> protocol, in accordance with BCP 26 [RFC8126].
>>> -->
>> 
>> BCP 26.
>> 
>>> 25) <!-- [rfced] Should this citation be to BCP 86 or RFC 3766?
>>> 
>>> Current:
>>> Note 1. BCP 86 [RFC3766] offers advice on appropriate key sizes. The
>>> National Institute for Standards and Technology (NIST) also offers
>>> advice on appropriate key sizes in [NIST-SP-800-57].
>>> -->
>> 
>> BCP 86.
> 
> 1) For #23 and #25, we have updated the corresponding text in the file when 
> updating the BCP citations. Please review and let us know if the text appears 
> as desired.
> 
>>> 29) <!-- [rfced] References
>>> 
>>> c) RFCs 5077, 5246, and 6961 have been obsoleted by RFC 8446. May we 
>>> replace 
>>> them with RFC 8446? If they must be referenced, we suggest mentioning
>>> RFC 8446 (e.g., RFC 6961 has been obsoleted by RFC 8446).  See Section
>>> 4.8.6 in the RFC Style Guide (RFC 7322).
>>> -->
>> 
>> Updating the references is fine.
> 
> 2) Upon further review, we came across a few instances of text where we are 
> unsure if updating to use RFC 8446 is correct. Please review each instance 
> below and let us know how we should update. Note that we will continue to 
> cite RFC 5246 where there is a direct mention of TLS 1.2.
> 
> a) Original:
> TEAP is in full conformance with TLS ticket extension [RFC5077].
> 
> Separately, we note that this is the only mention of the term "TLS ticket 
> extension", whereas "SessionTicket extension" is used multiple times in this 
> document. Should the term be updated as follows?
> 
> Perhaps:
> TEAP is in full conformance with the SessionTicket extension [RFC5077].
> 
> 
> b) Original:
> It is REQUIRED that anonymous cipher suites such as 
> TLS_DH_anon_WITH_AES_128_CBC_SHA [RFC5246] only be used in the case when the 
> inner method provides mutual authentication, key generation, and resistance 
> to on-path and dictionary attacks.
> 
> (Note that TLS_DH_anon_WITH_AES_128_CBC_SHA does not appear in RFC 8446.)
> 
> 
> c) The challengePassword field is limited to 255 octets (Section 7.4.9 of 
> [RFC5246] indicates that no existing cipher suite would result in an issue 
> with this limitation).
> 
> 
> d) The TLS-PRF is defined in [RFC5246] as: 
> PRF(secret, label, seed) = P_<hash>(secret, label | seed)
> 
> (Note that this definition does not appear in RFC 8446.)
> 
> 
> e) Original:
> The derivation of S-IMCK is as follows:
> 
> S-IMCK[0] = session_key_seed
> For j = 1 to n-1 do
> IMCK[j] = the first 60 octets of TLS-PRF(S-IMCK[j-1],
> "Inner Methods Compound Keys",
> IMSK[j])
> S-IMCK[j] = first 40 octets of IMCK[j]
> CMK[j] = last 20 octets of IMCK[j]
> 
> where TLS-PRF is the PRF (described above) negotiated as part of TLS
> handshake [RFC5246].
> 
> 
> f) For instance, the Certificate Status Request extension [RFC6066] and the
> Multiple Certificate Status Request extension [RFC6961] can be used
> to leverage a certificate-status protocol…
> 
> (Note: No mention of Multiple Certificate Status Request extension in RFC 
> 8446.)
> 
> The files have been posted here (please refresh):
>   https://www.rfc-editor.org/authors/rfc9930.txt
>   https://www.rfc-editor.org/authors/rfc9930.pdf
>   https://www.rfc-editor.org/authors/rfc9930.html
>   https://www.rfc-editor.org/authors/rfc9930.xml
> 
> Diff files:
>   https://www.rfc-editor.org/authors/rfc9930-diff.html
>   https://www.rfc-editor.org/authors/rfc9930-rfcdiff.html (side by side)
>   https://www.rfc-editor.org/authors/rfc9930-auth48diff.html
>   https://www.rfc-editor.org/authors/rfc9930-auth48rfcdiff.html (side by 
> side) 
>   https://www.rfc-editor.org/authors/rfc9930-alt-diff.html (shows moved text)
> 
> AUTH48 status page: https://www.rfc-editor.org/auth48/rfc9930
> 
> Thank you!
> Madison Church

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