Hi,

Sorry for the delay, but today I finally had a chance to read the document from 
top to bottom, and I have no issues. I approve publication in the current state!

Jari

> Madison Church <mchu...@staff.rfc-editor.org> kirjoitti 10.2.2025 kello 19.24:
> 
> Hi Jari,
> 
> This is a friendly weekly reminder that this document awaits your approval. 
> Please see the thread below for links to the current version and let us know 
> if we can be of assistance as you complete your AUTH48 review. Once we 
> receive your approval, we will move this document forward in the publication 
> process.
> 
> Thank you!
> 
> RFC Editor/mc
> 
>> On Feb 3, 2025, at 4:14 PM, Megan Ferguson <mfergu...@staff.rfc-editor.org> 
>> wrote:
>> 
>> Hi Jari,
>> 
>> Just a friendly reminder that this document awaits your approval.  Please 
>> see the mail below for links to the current version and let us know if we 
>> can be of assistance as you complete your AUTH48 review.
>> 
>> Thank you.
>> 
>> RFC Editor/mf
>> 
>> 
>>> On Jan 22, 2025, at 12:15 PM, Megan Ferguson 
>>> <mfergu...@staff.rfc-editor.org> wrote:
>>> 
>>> Hi John,
>>> 
>>> Thanks for sending this along.
>>> 
>>> We have adopted this version in our links below.  Note that these changes 
>>> are not viewable in diffs of the text files from the previous version to 
>>> this one as they are “behind the scenes”, so we have created diffs between 
>>> the xml files to capture them below.  Please review the xml version and 
>>> ensure it looks as expected and let us know if any further changes are 
>>> necessary.
>>> 
>>> We believe once we hear approval from Jari that this document will be ready 
>>> to move forward in the publication process.
>>> 
>>> The files have been posted here (please refresh):
>>> https://www.rfc-editor.org/authors/rfc9678.txt
>>> https://www.rfc-editor.org/authors/rfc9678.pdf
>>> https://www.rfc-editor.org/authors/rfc9678.html
>>> https://www.rfc-editor.org/authors/rfc9678.xml
>>> 
>>> The diff files have been posted here (please refresh):
>>> https://www.rfc-editor.org/authors/rfc9678-diff.html (cumulative)
>>> https://www.rfc-editor.org/authors/rfc9678-rfcdiff.html (side by side)
>>> 
>>> https://www.rfc-editor.org/authors/rfc9678-auth48diff.html (AUTH48 changes 
>>> only)
>>> https://www.rfc-editor.org/authors/rfc9678-auth48rfcdiff.html (side by side)
>>> 
>>> https://www.rfc-editor.org/authors/rfc9678-lastdiff.html (changes last 
>>> version to this)
>>> https://www.rfc-editor.org/authors/rfc9678-lastrfcdiff.html (side by side)
>>> 
>>> https://www.rfc-editor.org/authors/rfc9678-xmldiff.html (xml files last to 
>>> this)
>>> https://www.rfc-editor.org/authors/rfc9678-xmlrfcdiff.html (side by side)
>>> 
>>> The AUTH48 status page for this document is available here:
>>> https://www.rfc-editor.org/auth48/rfc9678
>>> 
>>> Thank you.
>>> 
>>> RFC Editor/mf
>>> 
>>> 
>>>> On Jan 18, 2025, at 3:49 AM, John Mattsson <john.matts...@ericsson.com> 
>>>> wrote:
>>>> 
>>>> Thanks Megan,
>>>> 
>>>> Attached is an updated xml file with SVG artwork updated to match the 
>>>> updated ASCII artwork. The only changes are in <artwork type="svg"
>>>> 
>>>> Cheers,
>>>> John
>>>> 
>>>> From: Megan Ferguson <mfergu...@staff.rfc-editor.org>
>>>> Date: Thursday, 9 January 2025 at 17:36
>>>> To: Karl Norrman <karl.norr...@ericsson.com>, John Mattsson 
>>>> <john.matts...@ericsson.com>, jari.ar...@gmail.com <jari.ar...@gmail.com>
>>>> Cc: rfc-edi...@rfc-editor.org <rfc-edi...@rfc-editor.org>, 
>>>> emu-...@ietf.org <emu-...@ietf.org>, emu-cha...@ietf.org 
>>>> <emu-cha...@ietf.org>, pe...@akayla.com <pe...@akayla.com>, 
>>>> paul.wout...@aiven.io <paul.wout...@aiven.io>, 
>>>> auth48archive@rfc-editor.org<auth48archive@rfc-editor.org>, 
>>>> jari.ar...@piuha.net <jari.ar...@piuha.net>
>>>> Subject: Re: AUTH48: RFC-to-be 9678 <draft-ietf-emu-aka-pfs-12> for your 
>>>> review
>>>> 
>>>> [You don't often get email from mfergu...@staff.rfc-editor.org. Learn why 
>>>> this is important athttps://aka.ms/LearnAboutSenderIdentification ]
>>>> 
>>>> Hi Karl and John,
>>>> 
>>>> Thank you for your replies.  We have updated your status to “Approved” at 
>>>> the AUTH48 status page 
>>>> (seehttps://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauth48%2Frfc9678&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855340837%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=8Pddg80n1avbH8r3QrG78l%2FHWcK%2FjlyDLxKEnhvn0pQ%3D&reserved=0).
>>>>   We will await approval from Jari as well as any necessary re-rendering 
>>>> of the SVG prior to moving forward in the publication process.
>>>> 
>>>> Please note that we will assume your assent to any further changes 
>>>> submitted by your coauthors unless we hear objection at that time.
>>>> 
>>>> Thank you.
>>>> 
>>>> RFC Editor/mf
>>>> 
>>>> 
>>>>> On Jan 9, 2025, at 3:48 AM, Karl Norrman <karl.norr...@ericsson.com> 
>>>>> wrote:
>>>>> 
>>>>> Hi!
>>>>> 
>>>>> I approve publication.
>>>>> 
>>>>> BR Karl
>>>>> 
>>>>> From: John Mattsson <john.matts...@ericsson.com>
>>>>> Sent: Thursday, January 9, 2025 11:00 AM
>>>>> To: Megan Ferguson <mfergu...@staff.rfc-editor.org>
>>>>> Cc: Jari Arkko <jari.ar...@gmail.com>; Karl Norrman 
>>>>> <karl.norr...@ericsson.com>; rfc-edi...@rfc-editor.org; emu-...@ietf.org; 
>>>>> emu-cha...@ietf.org; Peter Yee <pe...@akayla.com>; Paul Wouters 
>>>>> <paul.wout...@aiven.io>; auth48archive@rfc-editor.org; Jari Arkko 
>>>>> <jari.ar...@piuha.net>
>>>>> Subject: Re: AUTH48: RFC-to-be 9678 <draft-ietf-emu-aka-pfs-12> for your 
>>>>> review
>>>>> 
>>>>> Mi Megan,
>>>>> 
>>>>> I approve publication.
>>>>> 
>>>>> Cheers,
>>>>> John
>>>>> 
>>>>> From: Megan Ferguson <mfergu...@staff.rfc-editor.org>
>>>>> Date: Wednesday, 8 January 2025 at 19:37
>>>>> To: John Mattsson <john.matts...@ericsson.com>
>>>>> Cc: Jari Arkko <jari.ar...@gmail.com>, Karl Norrman 
>>>>> <karl.norr...@ericsson.com>, rfc-edi...@rfc-editor.org 
>>>>> <rfc-edi...@rfc-editor.org>, emu-...@ietf.org <emu-...@ietf.org>, 
>>>>> emu-cha...@ietf.org <emu-cha...@ietf.org>, Peter Yee <pe...@akayla.com>, 
>>>>> Paul Wouters <paul.wout...@aiven.io>, auth48archive@rfc-editor.org 
>>>>> <auth48archive@rfc-editor.org>, Jari Arkko <jari.ar...@piuha.net>
>>>>> Subject: Re: AUTH48: RFC-to-be 9678 <draft-ietf-emu-aka-pfs-12> for your 
>>>>> review
>>>>> 
>>>>> [You don't often get email from mfergu...@staff.rfc-editor.org. Learn why 
>>>>> this is important athttps://aka.ms/LearnAboutSenderIdentification ]
>>>>> 
>>>>> Hi John,
>>>>> 
>>>>> [Note that this email is coming to you from a new email address on our 
>>>>> end.]
>>>>> 
>>>>> Thanks for reviewing and sending along these changes.  We have updated as 
>>>>> requested*.
>>>>> 
>>>>> *Note that we made one further change to your suggestion for Section 4.1: 
>>>>> we made “goal” singular into “goals” plural.
>>>>> 
>>>>> Please review the files carefully as we do not make changes after 
>>>>> publication.
>>>>> 
>>>>> The files have been posted here (please refresh):
>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678.txt&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855360597%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=153H6dX0BEFdQRT5OnFzOo8SjM%2BYaE0ufWYk%2FSD11%2Fk%3D&reserved=0
>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678.pdf&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855378168%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=eO6x7w8Uyors%2BMrceuNIc8aHEWBG8T%2F%2Fj0UoItpKGDM%3D&reserved=0
>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678.html&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855391803%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=MpwcGgWtFLh8IliygN4c9tZwMeYcljUgCusf9a9EsTs%3D&reserved=0
>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678.xml&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855403745%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=KDvGVyovNngd%2Bs1%2B%2FZO%2Bmer%2BHS2aGULciLC4mh%2FNfMg%3D&reserved=0
>>>>> 
>>>>> The relevant diff files have been posted here (please refresh):
>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678-diff.html&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855417170%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=VVO4lDD9NEAYNpE3A6efwq1X8VmmmhIdd%2FzL9ON2yc4%3D&reserved=0
>>>>>  (comprehensive diff)
>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678-auth48diff.html&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855435138%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=%2Bn5ak94%2FKy131rmYeBcBhACLyurZchvdPrwHn7RNjD0%3D&reserved=0
>>>>>  (AUTH48 changes only)
>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678-lastdiff.html&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855458959%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=yWv3Y4fkoX31NL%2FN8v1tClAKV2MEN%2F0Te2mh3TbjWcc%3D&reserved=0
>>>>>  (last version to this)
>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678-lastrfcdiff.html&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855480774%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=pldzp8DH6rOKRh2%2FtP2UFz0wcs3cCDglXMmEIlgzySc%3D&reserved=0
>>>>>  (ditto but rfcdiff)
>>>>> 
>>>>> Please contact us with any further updates/questions/comments you may 
>>>>> have.
>>>>> 
>>>>> We will await approvals from each of the parties listed on the AUTH48 
>>>>> status page prior to moving forward to publication.
>>>>> 
>>>>> The AUTH48 status page for this document is available here:
>>>>> 
>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauth48%2Frfc9678&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855502177%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=jLDAspx6TjYHXeX%2F%2B77nWSFlj%2Fl3IcQgB%2FZ4F4rK9Lw%3D&reserved=0
>>>>> 
>>>>> Thank you.
>>>>> 
>>>>> RFC Editor/mf
>>>>> 
>>>>>> On Dec 28, 2024, at 3:42 AM, John Mattsson <john.matts...@ericsson.com> 
>>>>>> wrote:
>>>>>> 
>>>>>> Hi,
>>>>>> 
>>>>>>> *General Note*: Please note that any updates made to figures with SVG 
>>>>>>> have been made in the <artwork> only.  The
>>>>>>> authors will need to re-render the SVG to match the desired output.  We 
>>>>>>> recommend doing this once AUTH48
>>>>>>> changes are complete and all author approvals have been received so 
>>>>>>> that many iterations can be avoided.
>>>>>> I will re-render the SVG once AUTH48 changes are complete.
>>>>>> 
>>>>>> I have reviewed the current version of the document and approve 
>>>>>> publication. See minor suggestions below:
>>>>>> 
>>>>>> Cheers,
>>>>>> John
>>>>>> 
>>>>>> ---
>>>>>> 
>>>>>> OLD:
>>>>>> This prevents an attacker who has
>>>>>> gained access to the long-term key from obtaining session keys
>>>>>> established in the past, assuming these have been properly deleted.
>>>>>> NEW:
>>>>>> This prevents an attacker who has
>>>>>> gained access to the long-term key from obtaining session keys
>>>>>> established in the past.
>>>>>> 
>>>>>> John: To align with introduction. Deletion of keys is discussed in 
>>>>>> several sections.
>>>>>> 
>>>>>> ---
>>>>>> 
>>>>>> OLD: when a system is running.
>>>>>> NEW: when the system is running.
>>>>>> 
>>>>>> John: To align with the bullets above
>>>>>> 
>>>>>> ---
>>>>>> 
>>>>>> OLD:
>>>>>> The goal of AKA is to mutually authenticate the USIM and the so-
>>>>>> called home environment, which is the authentication Server in the
>>>>>> subscriber's home operator's network.
>>>>>> 
>>>>>> NEW:
>>>>>> The goal of AKA is to mutually authenticate the USIM and the so-
>>>>>> called home environment, which is the authentication Server in the
>>>>>> subscriber's home operator's network, and to establish key material
>>>>>> between the two.
>>>>>> 
>>>>>> ---
>>>>>> 
>>>>>> OLD:
>>>>>> AT_PUB_ECDHE:
>>>>>>    This is set to 152 by IANA.
>>>>>> 
>>>>>> NEW:
>>>>>> AT_PUB_ECDHE:
>>>>>>    This is set to 152.
>>>>>> 
>>>>>> John: The "by IANA" is just confusing
>>>>>> 
>>>>>> ---
>>>>>> 
>>>>>> OLD:
>>>>>> AT_KDF_FS:
>>>>>>    This is set to 153 by IANA.
>>>>>> 
>>>>>> OLD:
>>>>>> AT_KDF_FS:
>>>>>>    This is set to 153.
>>>>>> 
>>>>>> ---
>>>>>> 
>>>>>> OLD:
>>>>>> Public key validation requirements are defined in Section 5 of 
>>>>>> [SP-800-56A].
>>>>>> 
>>>>>> NEW:
>>>>>> Requirements are defined in Section 5 of [SP-800-56A], in particular 
>>>>>> Sections 5.6.2.3.4, 5.6.3.1, and
>>>>>> and 5.6.3.3.
>>>>>> 
>>>>>> John: Section 5 is long. I think it is good to help the reader a bit.
>>>>>> 
>>>>>> ---
>>>>>> 
>>>>>> OLD:
>>>>>> 6.5.9.  EAP-Response/AKA'-Client-Error
>>>>>> 
>>>>>> changes, except that the AT_KDF_FS or AT_PUB_ECDHE attributes MUST
>>>>>> 
>>>>>> NEW:
>>>>>> 6.5.9.  EAP-Response/AKA'-Client-Error
>>>>>> 
>>>>>> There are no changes for the EAP-Response/AKA'-Client-Error, except that 
>>>>>> the AT_KDF_FS or AT_PUB_ECDHE attributes MUST
>>>>>> 
>>>>>> ---
>>>>>> 
>>>>>> OLD:
>>>>>> 6.5.11.  EAP-Response/AKA'-Notification
>>>>>> 
>>>>>> There are no changes for the EAP-Request/AKA'-Notification.
>>>>>> 
>>>>>> NEW:
>>>>>> 6.5.11.  EAP-Response/AKA'-Notification
>>>>>> 
>>>>>> There are no changes for the EAP-Response/AKA'-Notification.
>>>>>> 
>>>>>> ---
>>>>>> 
>>>>>> OLD:
>>>>>> [TS.33.501]
>>>>>>            3GPP, "Security architecture and procedures for 5G
>>>>>>            System", Version 18.1.0, 3GPP TS 33.501, March 2023.
>>>>>> 
>>>>>> NEW:
>>>>>> [TS.33.501]
>>>>>>            3GPP, "Security architecture and procedures for 5G
>>>>>>            System", Version 19.0.0, 3GPP TS 33.501, September 2024.
>>>>>> 
>>>>>> John: We should refer to the last version
>>>>>> 
>>>>>> ---
>>>>>> 
>>>>>> From: Megan Ferguson <mfergu...@amsl.com>
>>>>>> Date: Friday, 20 December 2024 at 21:57
>>>>>> To: Jari Arkko <jari.ar...@gmail.com>, Karl Norrman 
>>>>>> <karl.norr...@ericsson.com>
>>>>>> Cc: rfc-edi...@rfc-editor.org <rfc-edi...@rfc-editor.org>, John Mattsson 
>>>>>> <john.matts...@ericsson.com>,emu-...@ietf.org <emu-...@ietf.org>, 
>>>>>> emu-cha...@ietf.org <emu-cha...@ietf.org>, Peter Yee <pe...@akayla.com>, 
>>>>>> Paul Wouters <paul.wout...@aiven.io>, 
>>>>>> auth48archive@rfc-editor.org<auth48archive@rfc-editor.org>, Jari Arkko 
>>>>>> <jari.ar...@piuha.net>
>>>>>> Subject: Re: AUTH48: RFC-to-be 9678 <draft-ietf-emu-aka-pfs-12> for your 
>>>>>> review
>>>>>> 
>>>>>> Jari and Karl,
>>>>>> 
>>>>>> Thank you for your replies.  Please see our (several) questions/comments 
>>>>>> regarding your responses inline in the message below marked with [rfced] 
>>>>>> for places in which further guidance from authors may be necessary or 
>>>>>> where confirmation and careful review of our updates is requested.
>>>>>> 
>>>>>> *General Note*: Please note that any updates made to figures with SVG 
>>>>>> have been made in the <artwork> only.  The authors will need to 
>>>>>> re-render the SVG to match the desired output.  We recommend doing this 
>>>>>> once AUTH48 changes are complete and all author approvals have been 
>>>>>> received so that many iterations can be avoided.
>>>>>> 
>>>>>> All other changes have been incorporated into our version of the files 
>>>>>> as requested.
>>>>>> 
>>>>>> Please review the files carefully as we do not make changes after 
>>>>>> publication.
>>>>>> 
>>>>>> The files have been posted here (please refresh):
>>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678.txt&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855515106%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=qhFD8v%2BkbuCgDHlzRmMZXNw6ftoR4h7YcV2dFojSGsM%3D&reserved=0
>>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678.pdf&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855529955%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=cTNKMtqNTgh%2FgkkCS1NJAQB%2BEP%2FyKC2WkCNXMUA5%2BZM%3D&reserved=0
>>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678.html&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855545947%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=2pxWiEAkfxVzf%2F2xNuJzHXJN9SE36oHBEt88Y4R6RTU%3D&reserved=0
>>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678.xml&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855558697%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=JLEVO1HNvBCENvfRoNHHuGtH0OiYVXwF5YtioQmVnQo%3D&reserved=0
>>>>>> 
>>>>>> The relevant diff files have been posted here (please refresh):
>>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678-diff.html&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855572025%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=iEyNmr1EPgqw0HYqKgNcTQH9R39hZ3yFLLqXQSSyCh8%3D&reserved=0(comprehensive
>>>>>>  diff)
>>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauthors%2Frfc9678-auth48diff.html&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855583571%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=krvdV%2B%2FAFZ0hllFnPg6vc38BKGJ3lETDVq9FOyh53p8%3D&reserved=0
>>>>>>  (AUTH48 changes only)
>>>>>> 
>>>>>> Please contact us with any further updates/questions/comments you may 
>>>>>> have.
>>>>>> 
>>>>>> We will await approvals from each of the parties listed on the AUTH48 
>>>>>> status page prior to moving forward to publication.
>>>>>> 
>>>>>> The AUTH48 status page for this document is available here:
>>>>>> 
>>>>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Fauth48%2Frfc9678&data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C6b4b14f529804fc423a108dd30cbadbc%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638720373855595063%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=Ybll%2FHp7R1ExjcuIwBMog6HVH1UCMW2oTfcpbFUUAI8%3D&reserved=0
>>>>>> 
>>>>>> Thank you.
>>>>>> 
>>>>>> RFC Editor/mf
>>>>>> 
>>>>>>> On Dec 13, 2024, at 8:54 AM, Jari Arkko <jari.ar...@gmail.com> wrote:
>>>>>>> 
>>>>>>> Trying to answer the questions:
>>>>>>> 
>>>>>>>> 1) <!-- [rfced] We had a few questions about the title of this 
>>>>>>>> document,
>>>>>>>>  mostly as relates to the expansion of the initialism EAP-AKA'.
>>>>>>>>  We would love some guidance that we can track for future
>>>>>>>>  documents using this abbreviation as it looks like this has not
>>>>>>>>  been consistent thus far.
>>>>>>>> 
>>>>>>>> a) We believe the single quote following the abbreviation is used to
>>>>>>>> indicate the "improved" method described in RFC 5448 (as opposed to
>>>>>>>> basic EAP-AKA from RFC 4187).  If this is so, should "improved" be
>>>>>>>> added to the title of this document?
>>>>>>> 
>>>>>>> I think so, what do other authors think?
>>>>>> 
>>>>>> [Karl]: Yes, I think naming it “Forward Security for the Improved 
>>>>>> Extensible…” would be the correct name and in line with 5448.
>>>>>> 
>>>>>>> 
>>>>>>>> b) We see past expansions of both EAP-AKA and EAP-AKA' in RFC titles
>>>>>>>> include 3rd Generation or 3GPP Mobile Network.  Should some mention of
>>>>>>>> 3rd generation be added to the title of this document?
>>>>>>>> 
>>>>>>>> RFC 4187:
>>>>>>>>   Extensible Authentication Protocol Method for 3rd Generation
>>>>>>>>            Authentication and Key Agreement (EAP-AKA)
>>>>>>>> 
>>>>>>>> RFC 5448:
>>>>>>>>     Improved Extensible Authentication Protocol Method for
>>>>>>>>    3rd Generation Authentication and Key Agreement (EAP-AKA')
>>>>>>>> 
>>>>>>>> RFC 9048:
>>>>>>>> Improved Extensible Authentication Protocol Method for 3GPP Mobile
>>>>>>>>       Network Authentication and Key Agreement (EAP-AKA')
>>>>>>>> 
>>>>>>>> c) If the title is really a 1:1 with the initialism, it may be
>>>>>>>> beneficial for the reader to move the initialism to the front followed
>>>>>>>> by a colon (common use in RFCs) (see Perhaps A below).
>>>>>>>> 
>>>>>>>> With *all* the above in mind (a-c), here are some suggested titles.
>>>>>>>> If none of these fit the bill, please let us know if/how we can
>>>>>>>> rephrase.
>>>>>>>> 
>>>>>>>> Perhaps A:
>>>>>>>> Forward Secrecy Extension to the Improved Extensible Authentication 
>>>>>>>> Protocol for Authentication and Key Agreement (EAP-AKA' FS)
>>>>>>>> 
>>>>>>>> Perhaps B:
>>>>>>>> EAP-AKA' FS: The Forward Secrecy Extension for Improved Extensible 
>>>>>>>> Authentication Protocol for Authentication and Key Agreement
>>>>>>>> 
>>>>>>>> Perhaps C:
>>>>>>>> Improved Extensible Authentication Protocol Method for 3GPP Mobile 
>>>>>>>> Network Authentication and Key Agreement Forward Secrecy Extension 
>>>>>>>> (EAP-AKA' FS)
>>>>>>>> 
>>>>>>>> -->
>>>>>>> 
>>>>>>> I personally prefer A, but I don’t have a strong opinion. Retaining the 
>>>>>>> whole stack of content is making the title too long, imho, hence not 
>>>>>>> preferring C.
>>>>>> 
>>>>>> [Karl]: I also prefer A.
>>>>>> 
>>>>>> [rfced] Please see the updated file for the adoption of suggestion A and 
>>>>>> that also includes “Method” (which was accidentally removed in our 
>>>>>> suggestion A we originally sent).
>>>>>>> 
>>>>>>>> 2) <!--[rfced] The Abstract and IANA Considerations each contain places
>>>>>>>>  where an (almost) RFC title is listed for one RFC but a
>>>>>>>>  "nickname" for another/others.  How may we make these consistent?
>>>>>>>> 
>>>>>>>> 
>>>>>>>> Abstract:
>>>>>>>> This document updates RFC 9048, the improved Extensible Authentication
>>>>>>>> Protocol Method for 3GPP Mobile Network Authentication and Key
>>>>>>>> Agreement (EAP-AKA'),...Similarly, this document also updates the
>>>>>>>> earlier version of the EAP-AKA' specification in RFC 5448.
>>>>>>>> 
>>>>>>>> 
>>>>>>>> IANA:
>>>>>>>> This extension of EAP-AKA' shares its attribute space and subtypes
>>>>>>>> with Extensible Authentication Protocol Method for Global System for
>>>>>>>> Mobile Communications (GSM) Subscriber Identity Modules (EAP-SIM)
>>>>>>>> [RFC4186], EAP-AKA [RFC4187], and EAP-AKA' [RFC9048].
>>>>>>>> -->
>>>>>>> 
>>>>>>> Clearly this needs to be corrected. Let’s use the full name in both.
>>>>>> 
>>>>>> [rfced] In the IANA Considerations section, we have further updated to 
>>>>>> make this a bulleted list of RFCs to aid in readability.  Please review 
>>>>>> and let us know objections.
>>>>>> 
>>>>>> In the Abstract, we found expanding both very similar document titles so 
>>>>>> close to each other actually tougher to read, so we have updated the 
>>>>>> text differently there.  Again, please let us know any objections.
>>>>>> 
>>>>>> <snip>
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 9) <!--[rfced] Might it be helpful to the reader to point them to the
>>>>>>>>  specific 3GPP specifications to which you refer?
>>>>>>>> 
>>>>>>>> Original:
>>>>>>>> The details of those interactions are outside the scope of this
>>>>>>>> document, however, and the reader is referred to the 3GPP
>>>>>>>> specifications.
>>>>>>> 
>>>>>>> I don’t see the problem, isn’t the next sentence containing one such 
>>>>>>> reference?
>>>>>> 
>>>>>> [Karl]: I assume this is from just above Figure 2. Maybe we could add a 
>>>>>> reference to [TS 33.501] just for clarity. It is already mentioned a bit 
>>>>>> higher up in the same section for another detail.
>>>>>> 
>>>>>> [rfced] Please review how we have updated to try and address this issue 
>>>>>> and let us know any objections.
>>>>>> <snip>
>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 12) <!--[rfced] We have some questions regarding the text below from
>>>>>>>>  Section 6.3:
>>>>>>>> 
>>>>>>>> i. This paragraph appears several paragraphs after the text it
>>>>>>>> describes. Would it be helpful to have this paragraph appear closer to
>>>>>>>> the notation it defines?  Or to update from "of the notation used
>>>>>>>> above" to instead use "of the notation used in Figure X" (and add a
>>>>>>>> title to the text in the <figure> tags?
>>>>>>>> 
>>>>>>>> ii. For readability, may we reformat the sentence as follows?
>>>>>>>> 
>>>>>>>> Original:
>>>>>>>> 
>>>>>>>> For readability, an explanation of the notation used above is copied
>>>>>>>> here: [n..m] denotes the substring from bit n to m.  PRF' is a new
>>>>>>>> pseudo-random function specified in [RFC9048].  K_encr is the
>>>>>>>> encryption key, 128 bits, K_aut is the authentication key, 256 bits,
>>>>>>>> K_re is the re-authentication key, 256 bits, MSK is the Master
>>>>>>>> Session Key, 512 bits, and EMSK is the Extended Master Session Key,
>>>>>>>> 512 bits.  MSK and EMSK are outputs from a successful EAP method run
>>>>>>>> [RFC3748].
>>>>>>>> 
>>>>>>>> Perhaps:
>>>>>>>> 
>>>>>>>> For readability, an explanation of the notation used [in Figure X?]
>>>>>>>> above is copied here:
>>>>>>>> 
>>>>>>>> *   [n..m] denotes the substring from bit n to m.
>>>>>>>> 
>>>>>>>> *   PRF' is a new pseudorandom function specified in [RFC9048].
>>>>>>>> 
>>>>>>>> *  K_encr is the encryption key (128 bits).
>>>>>>>> 
>>>>>>>> *  K_aut is the authentication key (256 bits).
>>>>>>>> 
>>>>>>>> *  K_re is the re-authentication key (256 bits).
>>>>>>>> 
>>>>>>>> *  MSK is the Master Session Key (512 bits).
>>>>>>>> 
>>>>>>>> *  EMSK is the Extended Master Session Key (512 bits).
>>>>>>>> 
>>>>>>>> Note: MSK and EMSK are outputs from a successful EAP method run 
>>>>>>>> [RFC3748].
>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> Yes, this works. And maybe just ”An explanation .. ” (ie. omit the part 
>>>>>>> about readability).
>>>>>> 
>>>>>> [rfced] We believe this was assent to both the update and the movement 
>>>>>> of text.  Please review how this appears in the file and let us know any 
>>>>>> objections.
>>>>>> 
>>>>>> <snip>
>>>>>>> 
>>>>>>> 
>>>>>>>> 
>>>>>>>> 21) <!--[rfced] "MAC" appears to be used as a verb in the sentence
>>>>>>>>  below. Are any adjustments needed?
>>>>>>>> 
>>>>>>>> Original:
>>>>>>>> 
>>>>>>>> K_encr and K_aut are used to encrypt and MAC data in the EAP-Req/
>>>>>>>> AKA'-Challenge message...
>>>>>>>> 
>>>>>>>> -->
>>>>>>> 
>>>>>>> Right. Maybe ”… encrypt and to calculate a MAC …”
>>>>>> 
>>>>>> [rfced] Please review our update which also removes “data” and let us 
>>>>>> know if this is incorrect.
>>>>>>> 
>>>>>>> 
>>>>>>>> -->
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 24) <!--[rfced] The terms RAND, AUTN, XRES, RES, IK, and CK appear with
>>>>>>>>  and without articles throughout this document (see an example
>>>>>>>>  below). How may we update for consistency?
>>>>>>>> 
>>>>>>>> Original:
>>>>>>>> 
>>>>>>>> The authentication vector
>>>>>>>> contains a random part RAND, an authenticator part AUTN used for
>>>>>>>> authenticating the network to the USIM, an expected result part
>>>>>>>> XRES, a 128-bit session key for integrity check IK, and a 128-bit
>>>>>>>> session key for encryption CK.
>>>>>>>> 
>>>>>>>> If this process is successful (the AUTN is valid and the sequence 
>>>>>>>> number
>>>>>>>> used to generate AUTN is within the correct range)...
>>>>>>>> 
>>>>>>>> -->
>>>>>>> 
>>>>>>> I’m not sure. Can you suggest how to do it, just based on using proper 
>>>>>>> English?
>>>>>> 
>>>>>> [rfced] We have made the updates to the body of the text that you can 
>>>>>> review, but have not made changes to the figures as these situations 
>>>>>> read okay to us (since the names were not followed by a label).  Please 
>>>>>> let us know if you would like to make any updates like the following to 
>>>>>> the figures or if you too are okay leaving these as they are.
>>>>>> 
>>>>>> Example:
>>>>>> 
>>>>>> Current:
>>>>>> ...generating RAND and AUTN,…
>>>>>> 
>>>>>> Perhaps:
>>>>>> ...generating the RAND and AUTN values,...
>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>>> -->
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 26) <!--[rfced] Please review the <artwork> element in Section 6.3 and 
>>>>>>>> let us know
>>>>>>>> if it should be updated to <sourcecode> or another element. -->
>>>>>>> 
>>>>>>> It is more of ”equations” or perhaps source code than a figure, so if 
>>>>>>> <sourcecode> is appropriate for this, then go ahead.
>>>>>>> 
>>>>>> [rfced] Just a further pointer to the sourcecode type list in case 
>>>>>> anything there seems like it fits.  We will leave these as <artwork> 
>>>>>> unless we hear otherwise.
>>>>> 
>>>> 
>>>> <rfc9678_JPM.xml>
> 

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