[{"author": "Paul Wouters", "text": "<p>I should scold the chairs, but I guess technically that's Chris' responsibility now :P</p>", "time": "2026-03-20T01:00:51.000Z"}, {"author": "Carsten Bormann", "text": "<p>I can hear Ivaylo, with a bit of shoebox effect</p>", "time": "2026-03-20T01:01:27.000Z"}, {"author": "Hannes Tschofenig", "text": "<p><span aria-label=\"sweat smile\" class=\"emoji emoji-1f605\" role=\"img\" title=\"sweat smile\">:sweat_smile:</span></p>", "time": "2026-03-20T01:01:33.000Z"}, {"author": "Nathanael Ritz", "text": "<p>In the meantime, I have decided we need a protocol for finding misplaced drinks...</p>", "time": "2026-03-20T01:03:46.000Z"}, {"author": "Christopher Inacio", "text": "<p><span class=\"user-mention silent\" data-user-id=\"43\">Paul Wouters</span> <a href=\"#narrow/channel/9-cose/topic/ietf-125/near/214867\">said</a>:</p>\n<blockquote>\n<p>I should scold the chairs, but I guess technically that's Chris' responsibility now :P</p>\n</blockquote>\n<p>yeah, it would be good to at least have the <code>note well</code> on hand to display so the meeting can start normally.  I'm sure they'll do better next time.</p>", "time": "2026-03-20T01:09:36.000Z"}, {"author": "Brian Campbell", "text": "<p>why, again, are the JOSE and COSE pieces in the same document?</p>", "time": "2026-03-20T01:10:39.000Z"}, {"author": "Orie Steele", "text": "<p>to allow CWT / JWT to be easily aligned.</p>", "time": "2026-03-20T01:13:31.000Z"}, {"author": "Orie Steele", "text": "<p>And because we did the same thing with ML-DSA</p>", "time": "2026-03-20T01:13:56.000Z"}, {"author": "Brian Campbell", "text": "<p>AFAIK that ML-DSA work started before the JOSE group was reopened</p>", "time": "2026-03-20T01:15:01.000Z"}, {"author": "Orie Steele", "text": "<p>I think you might be right</p>", "time": "2026-03-20T01:15:36.000Z"}, {"author": "Brian Campbell", "text": "<p>and, again, again, and again, alignment needn't be a goal</p>", "time": "2026-03-20T01:16:08.000Z"}, {"author": "Carsten Bormann", "text": "<p>The COSE registry already is in blown-up state :-)</p>", "time": "2026-03-20T01:17:02.000Z"}, {"author": "Carsten Bormann", "text": "<ul>\n<li>Option 2</li>\n</ul>", "time": "2026-03-20T01:17:20.000Z"}, {"author": "Brian Campbell", "text": "<p>and often efforts at alignment introduces more problems than it causes</p>", "time": "2026-03-20T01:17:48.000Z"}, {"author": "Ben S", "text": "<p>OTOH, RFC 9881 <em>doesn't</em> support HashML-DSA - there's an argument that RFC 9909 is an outlier within the IETF in that regard in that it supports a \"Hash-\" variant of a NIST PQ algorithm.</p>", "time": "2026-03-20T01:17:55.000Z"}, {"author": "Orie Steele", "text": "<p>I would tend to not register things unless someone says they need it.. Not hearing there is a need.</p>", "time": "2026-03-20T01:18:01.000Z"}, {"author": "Jonathan Hammell", "text": "<p>I was thinking that a pre-hash variant may be useful for firmware signing with SUIT, but it looks like draft-ietf-suit-manifest signs a SUIT_Digest for a manifest.</p>", "time": "2026-03-20T01:18:08.000Z"}, {"author": "Robert Moskowitz", "text": "<p>COSE may be more interested in small than other wg.</p>", "time": "2026-03-20T01:23:18.000Z"}, {"author": "Hannes Tschofenig", "text": "<p>We introduced the option to sign the SUIT_Digest in SUIT for firmware updates because Hash Envelope did not exist</p>", "time": "2026-03-20T01:27:22.000Z"}, {"author": "Carsten Bormann", "text": "<p>SLH gives you secure firmware updates now.</p>", "time": "2026-03-20T01:27:35.000Z"}, {"author": "Hannes Tschofenig", "text": "<p>Correct.</p>", "time": "2026-03-20T01:27:46.000Z"}, {"author": "Scott Fluhrer", "text": "<p>Where SLH-DSA shines is the security assumption - it assumes that hash function is strong, and doesn't make any other assumptions (in contrast to ML-DSA or FN-DSA, which also assumes that the underlying lattice problems are hard)</p>", "time": "2026-03-20T01:29:47.000Z"}, {"author": "John Gray", "text": "<p>NIST is specifying smaller parameter sets for SLH-DSA which may  be more appropriate for some use-cases.</p>", "time": "2026-03-20T01:31:07.000Z"}, {"author": "Orie Steele", "text": "<p>Yep, I think its nice to have 2 different PQ problem spaces available.</p>", "time": "2026-03-20T01:31:31.000Z"}, {"author": "Scott Fluhrer", "text": "<p>As per FN-DSA, the crypto group at NIST finalized their copy of the IPD back in (IIRC) last June.  It's sitting in the NIST beauracracy</p>", "time": "2026-03-20T01:31:47.000Z"}, {"author": "Scott Fluhrer", "text": "<p>As for the smaller SLH-DSA parameter sets, they have quite slow signing times (but very fast verification times)</p>", "time": "2026-03-20T01:32:14.000Z"}, {"author": "Robert Moskowitz", "text": "<p>Got to go.  Other commitments tonight, as interesting as this is.  Perhaps see some of you at saag.</p>", "time": "2026-03-20T01:32:31.000Z"}, {"author": "Carsten Bormann", "text": "<p>Scott: Which generally is what you want for firmware updates</p>", "time": "2026-03-20T01:33:01.000Z"}, {"author": "Jonathan Hammell", "text": "<p>Stateful hash-based signatures (LMS/HSS) is already defined for COSE in RFC 8778.</p>", "time": "2026-03-20T01:33:33.000Z"}, {"author": "John Preu\u00df Mattsson", "text": "<p>Hope NIST will finalise the smaller SLH-DSA signatures soon. Stateful is problematic</p>", "time": "2026-03-20T01:36:21.000Z"}, {"author": "Hannes Tschofenig", "text": "<p>That would be interesting for us</p>", "time": "2026-03-20T01:36:30.000Z"}, {"author": "Tirumaleswar Reddy.K", "text": "<p>+1 for smaller SLH-DSA</p>", "time": "2026-03-20T01:36:42.000Z"}, {"author": "John Preu\u00df Mattsson", "text": "<p>Smaller is at least a year away and likely more. Make a second draft.</p>", "time": "2026-03-20T01:42:52.000Z"}, {"author": "Jonathan Hammell", "text": "<p>Another case of smaller being slower</p>", "time": "2026-03-20T01:43:09.000Z"}, {"author": "Tirumaleswar Reddy.K", "text": "<p>Yes, keep it separate; no need to stall this one.</p>", "time": "2026-03-20T01:45:07.000Z"}, {"author": "Laurence Lundblade", "text": "<p>Yay!</p>", "time": "2026-03-20T01:53:33.000Z"}, {"author": "Hannes Tschofenig", "text": "<p>Thank you all that we got that far!</p>", "time": "2026-03-20T01:53:44.000Z"}, {"author": "Brian Campbell", "text": "<p>Wait, wat. That happened fast.</p>", "time": "2026-03-20T01:55:54.000Z"}, {"author": "Hannes Tschofenig", "text": "<p><span aria-label=\"joy\" class=\"emoji emoji-1f602\" role=\"img\" title=\"joy\">:joy:</span></p>", "time": "2026-03-20T01:56:09.000Z"}, {"author": "Brian Campbell", "text": "<p>I was going to offer the observation, once again, for the 1000th time, that COSE and JOSE are not the same thing.</p>", "time": "2026-03-20T01:57:17.000Z"}, {"author": "Hannes Tschofenig", "text": "<p>To which presentation do you want to make that comment, Brian</p>", "time": "2026-03-20T01:58:12.000Z"}, {"author": "Brian Campbell", "text": "<p>An observation supported by the prior presentation on COSE HPKE that somehow defied the odds and did COSE HPKE in the COSE WG and is all about COSE.</p>", "time": "2026-03-20T01:59:42.000Z"}, {"author": "Emil Lundberg", "text": "<p>Caveat on \"there are no more TBDs\": There are actually a couple of new TBDs that came in with the import of the alg IDs from the ARKG draft...</p>", "time": "2026-03-20T02:02:04.000Z"}, {"author": "Brian Campbell", "text": "<p>Well, Hannes, it could apply to your presentation on FN-DSA and SLH-DSA but more recently was hoping to make that point about the presentation on draft-reddy-cose-jose-pqc-hybrid-hpke</p>", "time": "2026-03-20T02:03:43.000Z"}, {"author": "Brian Sipos", "text": "<p>I am available</p>", "time": "2026-03-20T02:03:55.000Z"}, {"author": "Karen O'Donoghue", "text": "<p>@Brian Tiru's presentation was pulled based on the discussion in JOSE - where the authors of those two docs are going to get together and figure out a way forward for those two documents. YOu probably realize this, but I want to ensure others on this chat do as well.</p>", "time": "2026-03-20T02:05:31.000Z"}, {"author": "John Preu\u00df Mattsson", "text": "<p>It was a BAD decision</p>", "time": "2026-03-20T02:06:11.000Z"}, {"author": "Hannes Tschofenig", "text": "<p>The point of my presentation was to constrast the decisions regarding algorithm registrations in LAMPS for SLH-DSA with the work on the COSE/JOSE versions and to solicit feedback regarding the algorithm registrations. So, if someone in the room has different use cases for JOSE and COSE we can accomodate for that. So, I do not see a contraction with your statement.</p>", "time": "2026-03-20T02:06:36.000Z"}, {"author": "Brian Campbell", "text": "<p>@Karen, yes but does it make sense to pull the presentation of the COSE work from the COSE group because of something that happened in the JOSE group?</p>", "time": "2026-03-20T02:07:51.000Z"}, {"author": "Russ Housley", "text": "<p>I support adding AES-CMAC</p>", "time": "2026-03-20T02:08:01.000Z"}, {"author": "Carsten Bormann", "text": "<p>+1</p>", "time": "2026-03-20T02:08:15.000Z"}, {"author": "Adam Wiethuechter", "text": "<p>+1</p>", "time": "2026-03-20T02:08:32.000Z"}, {"author": "Russ Housley", "text": "<p>Do something with AES-CBC-MAC separately</p>", "time": "2026-03-20T02:09:02.000Z"}, {"author": "Karen O'Donoghue", "text": "<p>@Brian... well Tiru emailed that request a couple of days ago and no one suggested that he should still present here.</p>", "time": "2026-03-20T02:09:12.000Z"}, {"author": "John Preu\u00df Mattsson", "text": "<p>Just register CMAC and save deprecating CBC-MAC to abother draft</p>", "time": "2026-03-20T02:11:11.000Z"}, {"author": "Orie Steele", "text": "<p>+1 John</p>", "time": "2026-03-20T02:11:24.000Z"}, {"author": "John Preu\u00df Mattsson", "text": "<p>I have read it</p>", "time": "2026-03-20T02:11:24.000Z"}, {"author": "Adam Wiethuechter", "text": "<p>Concur with John</p>", "time": "2026-03-20T02:11:29.000Z"}, {"author": "Hannes Tschofenig", "text": "<p>Sure!</p>", "time": "2026-03-20T02:11:49.000Z"}, {"author": "John Gray", "text": "<p>I can read it...</p>", "time": "2026-03-20T02:12:02.000Z"}, {"author": "Russ Housley", "text": "<p>Okay</p>", "time": "2026-03-20T02:12:05.000Z"}, {"author": "David Waite", "text": "<p>this time can it be a dramatic reading?</p>", "time": "2026-03-20T02:12:36.000Z"}, {"author": "Peter Yee", "text": "<p><span aria-label=\"joy\" class=\"emoji emoji-1f602\" role=\"img\" title=\"joy\">:joy:</span></p>", "time": "2026-03-20T02:13:07.000Z"}, {"author": "Hannes Tschofenig", "text": "<p>We can use the time to read the draft</p>", "time": "2026-03-20T02:13:26.000Z"}, {"author": "Brian Campbell", "text": "<p>@Karen where did Tiru send an email and for what was the request?</p>", "time": "2026-03-20T02:13:33.000Z"}, {"author": "Paul Wouters", "text": "<p>thanks all ! :)</p>", "time": "2026-03-20T02:13:39.000Z"}, {"author": "John Gray", "text": "<p>A dramatic reading... Lol...</p>", "time": "2026-03-20T02:13:40.000Z"}, {"author": "Hannes Tschofenig", "text": "<p>Thanks for the meeting</p>", "time": "2026-03-20T02:14:08.000Z"}]