I approve publication.

John Bradley

> On Jan 27, 2025, at 3:02 PM, Daniel Fett <m...@danielfett.de> wrote:
> 
> Hi Alice,
> 
> Today, we were finally able to discuss the potential addition to this 
> document in the working group. There was a consensus in the call that we will 
> not add anything to the document.
> 
> I therefore give my "go" for publication.
> 
> Thank you,
> Daniel
> 
> Am 20.12.24 um 01:18 schrieb Alice Russo:
>> Daniel,
>> Checking in on this document; any update on the normative change?
>> 
>> Thank you.
>> RFC Editor/ar
>> 
>>> On Dec 9, 2024, at 10:24 AM, Alice Russo <aru...@amsl.com> 
>>> <mailto:aru...@amsl.com> wrote:
>>> 
>>> Daniel,
>>> Typo corrected; files are at the same URLs as below (please refresh).
>>> 
>>> Thank you for letting us know there's an item still under discussion. Is 
>>> there a time estimate for its resolution? If it's more than a few weeks, 
>>> it's likely the RFC number would be reassigned.
>>> 
>>> We will wait to hear from you again and from your coauthors before 
>>> continuing the publication process.
>>> 
>>> RFC Editor/ar
>>> 
>>>> On Dec 9, 2024, at 5:57 AM, Daniel Fett 
>>>> <mail=40danielfett...@dmarc.ietf.org> 
>>>> <mailto:mail=40danielfett...@dmarc.ietf.org> wrote:
>>>> 
>>>> Hi Alice,
>>>> 
>>>> I've been notified that there is one more typo in the document, in Section 
>>>> 4.4.1: "a attacker-in-the-middle attack" (a → an).
>>>> 
>>>> Besides that, there is a security issue that has not yet been disclosed to 
>>>> the public which we may need to address in this document by a last-minute 
>>>> normative change. This is still under discussion and obviously need 
>>>> appropriate consensus in the OAuth working group, so please expect that 
>>>> this document will be stuck in its current status for a while.
>>>> 
>>>> -Daniel
>>>> 
>>>> Am 22.11.24 um 22:56 schrieb Alice Russo:
>>>>> Daniel,
>>>>> 
>>>>> Thank you for your reply. The revised files are here (please refresh):
>>>>> 
>>>>> https://www.rfc-editor.org/authors/rfc9700.html
>>>>> 
>>>>> 
>>>>> https://www.rfc-editor.org/authors/rfc9700.txt
>>>>> 
>>>>> 
>>>>> https://www.rfc-editor.org/authors/rfc9700.pdf
>>>>> 
>>>>> 
>>>>> https://www.rfc-editor.org/authors/rfc9700.xml
>>>>> 
>>>>> 
>>>>> This diff file shows all changes from the approved I-D:
>>>>> 
>>>>> https://www.rfc-editor.org/authors/rfc9700-diff.html
>>>>> 
>>>>> 
>>>>> https://www.rfc-editor.org/authors/rfc9700-rfcdiff.html
>>>>> (side by side)
>>>>> 
>>>>> This diff file shows the changes made during AUTH48 thus far:
>>>>> 
>>>>> https://www.rfc-editor.org/authors/rfc9700-auth48diff.html
>>>>> 
>>>>> 
>>>>> https://www.rfc-editor.org/authors/rfc9700-auth48rfcdiff.html
>>>>> (side by side)
>>>>> 
>>>>> This diff file shows only the changes since the last posted version:
>>>>> 
>>>>> https://www.rfc-editor.org/authors/rfc9700-lastrfcdiff.html
>>>>> 
>>>>> 
>>>>> We will wait to hear from you again and from your coauthors
>>>>> before continuing the publication process. This page shows 
>>>>> the AUTH48 status of your document:
>>>>> 
>>>>> https://www.rfc-editor.org/auth48/rfc9700
>>>>> 
>>>>> 
>>>>> Thank you.
>>>>> RFC Editor/ar
>>>>> 
>>>>> 
>>>>>> On Nov 22, 2024, at 5:35 AM, Daniel Fett <m...@danielfett.de> 
>>>>>> <mailto:m...@danielfett.de>
>>>>>> wrote:
>>>>>> 
>>>>>> Hi Alice,
>>>>>> 
>>>>>> thanks for the updates to the documents. Please find below a couple of 
>>>>>> change requests:
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> * Change request in Section 4.4:
>>>>>> 
>>>>>> OLD: Mix-up attacks are in scenarios
>>>>>> 
>>>>>> NEW: Mix-up attacks can occur in scenarios
>>>>>> 
>>>>>> 
>>>>> [AR] Updated.
>>>>> 
>>>>>> * Change request:
>>>>>> 
>>>>>> We currently have an inconsistent capitalization of the first letter of 
>>>>>> "Attacker (Ax)" references, mostly from our original document. I suppose 
>>>>>> "Attacker" should be uppercased in these references.
>>>>>> 
>>>>> [AR] Updated.
>>>>> 
>>>>>> * Change request:
>>>>>> 
>>>>>> The "mutual" in "Mutual TLS for OAuth 2.0" was lowercased in Section 
>>>>>> 2.2.1, but remains upper case in 4.10.2. I propose to uppercase both, 
>>>>>> but can live with lowercase as well.
>>>>>> 
>>>>>> 
>>>>> [AR] Updated to 'mutual TLS' with lowercase 'm' (4 instances in this 
>>>>> document) to match how it appears in the body of RFC 8705.
>>>>> 
>>>>> 
>>>>>> * Change request:
>>>>>> 
>>>>>> In Section 4.10.1 we introduce the abbreviation "mTLS", but we use it 
>>>>>> only once, in Section 2.5; I suggest to remove the "(mTLS)" in Section 
>>>>>> 4.10.1 and to replace the wording in 2.5 by the one we use in Section 
>>>>>> 2.2.1 and 4.10.2 (previous change request).
>>>>>> 
>>>>> [AR] Updated.
>>>>> 
>>>>> 
>>>>>> 
>>>>>> * Change request:
>>>>>> 
>>>>>> Section 4.5
>>>>>> 
>>>>>> OLD: described in Section 4.4.1.1. of [RFC6819].
>>>>>> 
>>>>>> NEW: described in Section 4.4.1.1 of [RFC6819].
>>>>>> 
>>>>>> 
>>>>> [AR] Updated.
>>>>> 
>>>>>> 
>>>>>> Further responses inline:
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> Am 22.11.24 um 01:32 schrieb Alice Russo:
>>>>>> 
>>>>>>> Re: #4
>>>>>>> 
>>>>>>> 
>>>>>>>>> In the original:
>>>>>>>>> 
>>>>>>>>> redirect URI (58 instances) vs. redirection URI (1 instance)
>>>>>>>>> redirect URL (2 instances)  vs. redirection URL (2 instances)
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>> "redirection URI" is the wording used in RFC6749 so I propose to use 
>>>>>>>> that everywhere.
>>>>>>>> 
>>>>>>>> 
>>>>>>> Updated as requested; please review, as this yields many changes.
>>>>>>> 
>>>>>> Looks good to me.
>>>>>> 
>>>>>>> Re: #8
>>>>>>> 
>>>>>>> 
>>>>>>>> NEW: 
>>>>>>>> 
>>>>>>>>   It is RECOMMENDED to use asymmetric cryptography for client
>>>>>>>>   authentication, such as mTLS [RFC8705] or signed JWTs ("Private Key
>>>>>>>>   JWT") in accordance with [RFC7521] and [RFC7523]. The latter is 
>>>>>>>> defined
>>>>>>>>   in [OpenID.Core] as the client authentication method 
>>>>>>>> <tt>private_key_jwt</tt>.
>>>>>>>> 
>>>>>>>> 
>>>>>>> Updated as requested; may this phrase be changed as follows to avoid 
>>>>>>> the plural vs. singular mismatch?
>>>>>>> 
>>>>>>>   Current: or signed JWTs ("Private Key JWT")
>>>>>>>   Perhaps: or a signed JWT ("Private Key JWT")
>>>>>>> 
>>>>>>> 
>>>>>> I do see the mismatch, but since signed JWTs refers to a mechanism, I 
>>>>>> would prefer to keep it as-is. Using the singular here might imply that 
>>>>>> only one such signed JWT can be used, but that would not be a good 
>>>>>> practice.
>>>>>> 
>>>>> [AR] No change made.
>>>>> 
>>>>> 
>>>>>>> Re: #14, no reference added for iframe, per your reply.
>>>>>>> 
>>>>>>> Re: #17b, updated to 'healthcare'; however, we see 'eHealth' (1 
>>>>>>> instance) elsewhere in this document. Please let us know if you want to 
>>>>>>> use that.
>>>>>>> 
>>>>>>> 
>>>>>> Excellent point. We also use the example of "open banking" elsewhere. I 
>>>>>> propose:
>>>>>> 
>>>>>> OLD: (e.g., for email, calendaring, healthcare, or banking)
>>>>>> 
>>>>>> NEW: (e.g., for email, calendaring, eHealth, or open banking)
>>>>>> 
>>>>>> 
>>>>>> 
>>>>> [AR] Updated.
>>>>> 
>>>>>> Thanks,
>>>>>> Daniel
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>>> We will wait to hear from you again and from your coauthors
>>>>>>> before continuing the publication process. This page shows 
>>>>>>> the AUTH48 status of your document:
>>>>>>> 
>>>>>>> 
>>>>>>> https://www.rfc-editor.org/auth48/rfc9700
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> Thank you.
>>>>>>> RFC Editor/ar
>>>>>>> 

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