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From: Russ Housley <housley@vigilsec.com>
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Subject: [Suit] SUIT IETF 100 Meeting Minutes
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It took us a while to get the minutes posted.  They can be found here:

https://datatracker.ietf.org/doc/minutes-100-suit/ =
<https://datatracker.ietf.org/doc/minutes-100-suit/>

Please let us know if you find any errors.

Russ=

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<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><meta http-equiv="Content-Type" content="text/html charset=us-ascii" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">It took us a while to get the minutes posted. &nbsp;They can be found here:</div><div class=""><br class=""></div><div class=""><a href="https://datatracker.ietf.org/doc/minutes-100-suit/" class="">https://datatracker.ietf.org/doc/minutes-100-suit/</a></div><div class=""><br class=""></div><div class="">Please let us know if you find any errors.</div><div class=""><br class=""></div><div class="">Russ</div></div></body></html>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/suit/ua_6OQh37LbN2iVWGQgt6g5Fht4>
Subject: [Suit] Scheduling an Interim meeting in February
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As we discussed at the last IETF meeting, we plan to hold a SUIT WG virtual=
 (i.e., WebEx)
interim meeting in February.

A doodle poll is now up at https://doodle.com/poll/7dbiatttc69q7acw for a s=
election of days.
The time is the same for all of them, chosen to hopefully accommodate parti=
cipants from
Europe, North America, and Asia.

If you have agenda requests, please send them to suit-chairs@ietf.org<mailt=
o:suit-chairs@ietf.org>

Thanks,
Dave Thaler
WG Co-chair


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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif">As we discussed at the last IETF meeting, we plan t=
o hold a SUIT WG virtual (i.e., WebEx)
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif">interim meeting in February.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif">A doodle poll is now up at
<a href=3D"https://doodle.com/poll/7dbiatttc69q7acw">https://doodle.com/pol=
l/7dbiatttc69q7acw</a> for a selection of days.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif">The time is the same for all of them, chosen to hop=
efully accommodate participants from<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif">Europe, North America, and Asia.<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif">If you have agenda requests, please send them to
<a href=3D"mailto:suit-chairs@ietf.org">suit-chairs@ietf.org</a> <o:p></o:p=
></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif">Thanks,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif">Dave Thaler<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif">WG Co-chair<span style=3D"color:#1F497D"><o:p></o:p=
></span></span></p>
<div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</div>
</div>
</body>
</html>

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From nobody Mon Jan 29 07:03:55 2018
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From: Hannes Tschofenig <Hannes.Tschofenig@arm.com>
To: "suit@ietf.org" <suit@ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/suit/Z8dWzbDbJ3VH-YVWp_Nrsr6rdeI>
Subject: [Suit] Manifest and architecture drafts updated
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Hi all,

we just submitted updates to the manifest and the architecture documents. H=
ere are the two drafts:
https://tools.ietf.org/html/draft-moran-suit-manifest-01
https://tools.ietf.org/html/draft-moran-suit-architecture-01

The architecture document got enhanced to now include a threat analysis, se=
curity requirements, user stories, etc. This additional text has been motiv=
ated by mailing list discussions late last year. The text explains the pres=
ence of attributes in the manifest and the security mechanisms needed to pr=
otect them.

Here is the diff:
https://www.ietf.org/rfcdiff?url2=3Ddraft-moran-suit-architecture-01

The manifest document has only seen editorial updates, see https://www.ietf=
.org/rfcdiff?url2=3Ddraft-moran-suit-manifest-01

Thanks for the feedback so far.

Ciao
Hannes & Brendan
IMPORTANT NOTICE: The contents of this email and any attachments are confid=
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<p class=3D"MsoNormal">Hi all, <o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">we just submitted updates to the manifest and the ar=
chitecture documents. Here are the two drafts:
<o:p></o:p></p>
<p class=3D"MsoNormal">https://tools.ietf.org/html/draft-moran-suit-manifes=
t-01<o:p></o:p></p>
<p class=3D"MsoNormal">https://tools.ietf.org/html/draft-moran-suit-archite=
cture-01<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The architecture document got enhanced to now includ=
e a threat analysis, security requirements, user stories, etc. This additio=
nal text has been motivated by mailing list discussions late last year. The=
 text explains the presence of attributes
 in the manifest and the security mechanisms needed to protect them. <o:p><=
/o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Here is the diff: <o:p></o:p></p>
<p class=3D"MsoNormal">https://www.ietf.org/rfcdiff?url2=3Ddraft-moran-suit=
-architecture-01<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The manifest document has only seen editorial update=
s, see https://www.ietf.org/rfcdiff?url2=3Ddraft-moran-suit-manifest-01<o:p=
></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks for the feedback so far. <o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Ciao<o:p></o:p></p>
<p class=3D"MsoNormal">Hannes &amp; Brendan<o:p></o:p></p>
</div>
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 or store or copy the information in any medium. Thank you.
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Hannes Tschofenig <Hannes.Tschofenig@arm.com> wrote:
    > we just submitted updates to the manifest and the architecture
    > documents. Here are the two drafts:

Wonderful!

===

Minor quip about suit architecture 3.2, it took me a half a minute to figure
out the difference:

   For an update to be broadcast friendly, it cannot rely on (link layer),
   (network layer), or (transport layer security).

was really:

   For an update to be broadcast friendly, it cannot rely on (link layer,
   network layer, or transport layer) security.

because I couldn't figure out why we couldn't use link layer networking :-(
(The oxford comma neither helped nor hindered).  Mayube it should say:

   For an update to be broadcast friendly, it cannot rely on link layer
   security (e.g: WEP, 802.1x, 802.15.9), network layer security (e.g. IPsec), or
   transport layer security (e.g DTLS, TLS) to provide integrity of the
   information.


===
re: Minimal bootloader section.

Perhaps we should change:
   Note: This is an implementation requirement.
to:
   While the bootloader requirements are an implementation requirement, the
   manifest MUST provide an indication as to what bootloader capabilities
   are required to interpret/validate the image.

===
This brings up the question about knowing what versions are running on what
nodes!  I feel that this is unfortunately out of scope.  It seems like it
out go on a post-it note somewhere for the "recharter-once-we-are-done" list.

===
should 3.8.1 say:
s/Three actors are trusted identified by their public keys./
  Three trusted actors are identified by their public keys./

5. Q:
   -  Is the update older than the active firmware?

are we going to standardize the versioning of the firmware such that third
parties can reason about the ordering of the firmware?  Or is this strictly
between the manufacturer and the device?

11.2.1: Old Firmware.

I think that in the architecture we need some kind of concept of "trial"
upgrade, such new firmware can tried but not yet committed to, from a
point of view of roll back prevention.
This is related in some way to 11.2.10 (Unqualified firmware), as the
operator has to be able to load new firmware in order to qualify it...

11.3.1 (Monotonic Sequence Numbers), seems to provide the mechanism to deal
with this, provided that the operator is in control of the sequences, rather
than the firmware creator.  Should 11.2.1/11.2.10 have a forward pointer?











--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
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