Hello,
Thank you for the thorough review and helpful suggestions. Below are the
proposed responses to the [rfced] questions.
Responses to RFC Editor questions
1. References: Please alphabetize the references, alphanumeric order by
citation tag.
2. Keywords: Please add the following keywords for search indexing:
machine-to-machine, trust framework, mutual TLS, mTLS, public key pinning,
SPKI, federation metadata, federation
3. Section reference for “exp”: Yes, please update the reference from Section
6.4 to 6.1.
4. “federation members entities”: Yes. Please update to “entities of federation
members”.
5. Sentence rewording (base_uri, pins, issuers): Yes. Please apply the proposed
rewording.
6. Regarding the mixed use of quotation marks and <tt> tags in Sections 6.1 and
6.1.1:
Please update all "Example" list items in these sections to use <tt>
consistently. For values that are JSON strings, please include the quotation
marks inside the <tt> element. For values that are JSON integers and regular
expressions, please use <tt> without quotation marks.
Examples:
- Strings: Example: <tt>"1.0.0"</tt>
- Integers: Example: <tt>1755514949</tt>
- Patterns: Pattern: <tt>^[a-z0-9]{1,64}$</tt>
7. Regarding the "PEM-encoded" comment, please proceed with the updates for
both instances:
- Update to: "For each issuer, the issuer's root CA certificate MUST be
included in the x509certificate property and be encoded by Privacy-Enhanced
Mail (PEM)."
- Update to: "Syntax: Each object contains a PEM-encoded issuer certificate."
8. Section 7.3 and 7.4 sentence adjustments: Acknowledged and approved.
9. References:
a) [Moa]: The updated date (6 October 2025) is fine.
b) [SkolverketMATF]: Please update the date to 4 September 2025 (the XML
currently shows 4 September 2023). This should match commit f8c2e93.
10. Notes and <aside>: Please move the note in Section 6.2 about JSON Schema
folding per RFC 8792 (the paragraph that begins “Note: The schema in Appendix A
is folded …”) into an <aside> element. No other notes need to be moved.
11. Abbreviations and Terminology:
a) MATF expansion: Please update to “Mutually Authenticating TLS in
Federations (MATF)”.
b) FO: Please replace “FO” with “federation operator” in Section 8.1 (and
do not introduce a new abbreviation).
c) RESTful: Please apply the proposed definition addition.
d) “JWK Set” updates: Acknowledged and approved.
e) Other added expansions (SAML, JWS, CAs, SCIM): Reviewed and approved.
12. Inclusive language:
Please update the following terms in the identified instances:
a) “man-in-the-middle” to “on-path attacks”
b) “native” to “built-in”
c) Please replace “traditional certificate revocation mechanisms” with
“standard PKI-based certificate revocation mechanisms”.
Requested text changes (OLD/NEW)
Section 6.1, cache_ttl
OLD:
Specifies the duration in seconds for caching downloaded federation metadata,
allowing for independent caching outside of specific HTTP configurations; this
is particularly useful when the communication mechanism isn't HTTP based. In
the event of a metadata publication outage, members can rely on cached metadata
until it expires, as indicated by the exp claim in the JWS payload, defined in
Section 6.4. Once expired, metadata MUST no longer be trusted. If omitted, a
mechanism to refresh metadata MUST still exist to ensure the metadata remains
valid.
NEW:
Specifies the duration in seconds for caching downloaded federation metadata,
allowing for independent caching outside of specific HTTP configurations. This
is particularly useful when the communication mechanism is not based on HTTP.
In the event of a metadata publication outage, members can rely on cached
metadata until it expires, as indicated by the exp claim in the JWS payload,
defined in Section 6.1. Once expired, metadata MUST no longer be trusted. If
omitted, a mechanism to refresh metadata MUST still exist to ensure the
metadata remains valid.
Section 6.3, Example Metadata
Please list iat before exp for consistency with Section 6.1, and ensure the
example values satisfy iat < exp:
OLD:
"exp": 1755514949,
"iat": 1756119888,
NEW:
"iat": 1755514949,
"exp": 1756119888,
Approval for publication
Publication approval will be provided after the updated files are posted and
reviewed.
Regards,
Stefan Halén
________________________________
From: [email protected] <[email protected]>
Sent: Friday, February 6, 2026 22:34
To: [email protected] <[email protected]>; Stefan Halen
<[email protected]>
Cc: [email protected] <[email protected]>;
[email protected] <[email protected]>; [email protected]
<[email protected]>
Subject: AUTH48: RFC-to-be 9932 <draft-halen-fedae-03> for your review
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--------------------------------------
RFC 9932 (draft-halen-fedae-03)
Title : Mutually Authenticating TLS in the context of Federations
Author(s) : J. Schlyter, S. Halen
WG Chair(s) :
Area Director(s) :
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