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[Cbor] CBOR tag for RFC 3339 full-date values

Mike Jones <Michael.Jones@microsoft.com> Tue, 03 March 2020 22:42 UTC

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From: Mike Jones <Michael.Jones@microsoft.com>
To: "cbor@ietf.org" <cbor@ietf.org>
CC: Anthony Nadalin <tonynad@microsoft.com>
Thread-Topic: CBOR tag for RFC 3339 full-date values
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Date: Tue, 03 Mar 2020 22:41:52 +0000
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Subject: [Cbor] CBOR tag for RFC 3339 full-date values
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The working group ISO/IEC JTC 001/SC 17 "Cards and security devices for personal identification" would like to have a CBOR tag allocated to identify RFC 3339 full-date values (which are defined at https://tools.ietf.org/html/rfc3339#section-5.6).  This is needed for use by the ISO Mobile Driver's License specification, which contains this normative text:
                Dates in this document use either date-time or full-date from RFC3339, unless otherwise indicated.

While there's already tag 0 for date-time (which is defined at https://tools.ietf.org/html/rfc7049#section-2.4.1<https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftools.ietf.org%2Fhtml%2Frfc7049%23section-2.4.1&data=04%7C01%7Ctonynad%40microsoft.com%7C079c082880ba4b18361408d7bfc0dbdb%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637188707355658777%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C-1&sdata=5A5ATBiPNrfCd23LfGImn00GlAAaWiA89eu6MOWiYMg%3D&reserved=0>), there's currently no tag allocated for full-date.

Is the best way to allocate this tag to create an Internet Draft and submit it to the CBOR working group or would you suggest another course to accomplish this?

                                                                Thanks,
                                                                -- Mike

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