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Tuesday, March 26, 2019< ^ >
m&m has set the subject to: COSE Virtual Iterim - Agenda < https://datatracker.ietf.org/doc/agenda-interim-2019-cose-01-cose-01 >
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[08:03:10] <Russ Housley> Agenda Bash — slience
[08:03:43] <Russ Housley> Jim Schaad talks about https://datatracker.ietf.org/meeting/104/materials/slides-104-cose-rfc8152bis-struct-00
[08:04:52] <Russ Housley> Countersignatures issue:  top bytetag does not make it easy to tell is it is one or more countersignature
[08:05:11] <Russ Housley> Anyone using countersignature?
[08:05:29] <Russ Housley> If not, lets chand it
[08:07:02] <Russ Housley> Jim thinks he is the only one that uses countersignature, please speak up if the are others out there?
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[08:19:13] <Russ Housley> Discussion of whether is should be a subsection of signature or a section at the same level
[08:19:29] <Russ Housley> Either way, it should be moved out of an appendix
[08:23:08] <Russ Housley> Do we need a CBOR Tag for countersignatures?  No one used detached countersignatures, but people would like to have one for the future
[08:23:49] <Russ Housley> IANA Considerations
[08:24:22] <Russ Housley> Updating instructions for experts as well
[08:27:50] <Russ Housley> CBOR Issues — canonicalization
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[08:28:50] <Russ Housley> Carsen: CBOR documents only have recommendations
[08:29:19] <Russ Housley> Jim: his document includes a proper subset of the recommendations
[08:30:54] <Russ Housley> Carsen: it is now called "preferred encoding"
[08:33:14] <Russ Housley> Interop Status
[08:35:11] <Russ Housley> Need interop testing between now and Montreal
[08:37:58] <Russ Housley> Continue soliciting feedback from implementers
[08:38:31] <Russ Housley> COSE Algorithms — Jim Schaad
[08:39:24] <Russ Housley> Relatively few changes in the text extracted from RFC 8152
[08:39:40] <Russ Housley> Clean up security considerations
[08:40:34] <Russ Housley> What additional algorithms are needed?
[08:43:06] <Russ Housley> see slide 12 for a list of possible algorithms to add
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[08:52:10] <Russ Housley> Hash Algorithm — Jim Schaad
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[09:05:29] <Russ Housley> X.509 Certificates — Jim Schaad
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[09:08:11] <Russ Housley> Does anyone need to ship CRLs or OCSP responses in the COSE message?
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[09:20:39] <Russ Housley> Mike Jones
[09:20:50] <Russ Housley> draft-jones-cose-additional-algorithms
[09:21:29] <Russ Housley> https://www.w3.org/TR/2019/REC-webauthn-1-20190304/
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[09:30:20] <Russ Housley> secp256k1 Curve Name?  Do others care?
[09:32:30] <Russ Housley> should we use point compression?
[09:33:05] <Russ Housley> Call for adoption ends today
[09:33:44] <Russ Housley> Will be adopting
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[09:34:02] <Kathleen> SUIT Hash Signatures (Russ Housley)
[09:34:38] <Kathleen> https://datatracker.ietf.org/meeting/104/materials/slides-104-cose-cose-hash-sig-00
[09:40:37] <Kathleen> Possible MTI for SUIT, quantum safe algorithm
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[09:42:10] <Russ Housley> Virtual Interim in May
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