Re: [COSE] Newly Submitted Draft - CBOR Web Token (CWT) Claims in COSE Headers

Hannes Tschofenig <Hannes.Tschofenig@arm.com> Wed, 02 March 2022 08:21 UTC

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From: Hannes Tschofenig <Hannes.Tschofenig@arm.com>
To: Tobias Looker <tobias.looker=40mattr.global@dmarc.ietf.org>, "cose@ietf.org" <cose@ietf.org>
CC: "mbj@microsoft.com" <mbj@microsoft.com>
Thread-Topic: Newly Submitted Draft - CBOR Web Token (CWT) Claims in COSE Headers
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Date: Wed, 2 Mar 2022 08:21:02 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/cose/Q9j21UiO_f96hXW-9gctprzn5x8>
Subject: Re: [COSE] Newly Submitted Draft - CBOR Web Token (CWT) Claims in COSE Headers
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Hi Tobias,

Could you say something about the use cases or provide an example of what you want to accomplish?

Ciao
Hannes

From: COSE <cose-bounces@ietf.org> On Behalf Of Tobias Looker
Sent: Wednesday, March 2, 2022 5:32 AM
To: cose@ietf.org
Cc: mbj@microsoft.com
Subject: [COSE] Newly Submitted Draft - CBOR Web Token (CWT) Claims in COSE Headers

Hi All,

This is an email to introduce the newly submitted draft titled "CBOR Web Token (CWT) Claims in COSE Headers", the current abstract is as follows.

"This document describes how to include CBOR Web Token (CWT) claims in the header parameters of any COSE structure. This functionality helps to facilitate applications that wish to make use of CBOR Web Token (CWT) claims in encrypted COSE structures and/or COSE structures featuring detached signatures, while having some of those claims be available before decryption and/or without inspecting the detached payload."

https://datatracker.ietf.org/doc/draft-looker-cose-cwt-claims-in-headers/

As covered in the introduction of this draft, a similar mechanism already exists for JWT and we see value in providing a way to do the same with CWTs.


Thanks,

[Mattr website]<https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fscanmail.trustwave.com%2F%3Fc%3D15517%26d%3Dw46s4eMXULV_ns1ZfAKYLbVKcqey_PHiW1WeN4boYw%26u%3Dhttps%253a%252f%252fmattr.global%252f&data=04%7C01%7CSteve.Lowes%40mbie.govt.nz%7C5a65fe33c70b41fd8ba908d976f3a2f1%7C78b2bd11e42b47eab0112e04c3af5ec1%7C0%7C0%7C637671611076709977%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=tKqCMzLUQNCeORd908YqfqZoT7tCy%2FMVwXdjpch1sDY%3D&reserved=0>



Tobias Looker

MATTR
CTO

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[Mattr on LinkedIn]<https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fscanmail.trustwave.com%2F%3Fc%3D15517%26d%3Dw46s4eMXULV_ns1ZfAKYLbVKcqey_PHiW1SbN9fvNg%26u%3Dhttps%253a%252f%252fwww.linkedin.com%252fcompany%252fmattrglobal&data=04%7C01%7CSteve.Lowes%40mbie.govt.nz%7C5a65fe33c70b41fd8ba908d976f3a2f1%7C78b2bd11e42b47eab0112e04c3af5ec1%7C0%7C0%7C637671611076719975%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=t%2BidOI32oaKuTJf1AkcG%2B%2FirIJwbrgzXVZnjOAC52Hs%3D&reserved=0>

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[Mattr on Github]<https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fscanmail.trustwave.com%2F%3Fc%3D15517%26d%3Dw46s4eMXULV_ns1ZfAKYLbVKcqey_PHiWwGdMoDtMw%26u%3Dhttps%253a%252f%252fgithub.com%252fmattrglobal&data=04%7C01%7CSteve.Lowes%40mbie.govt.nz%7C5a65fe33c70b41fd8ba908d976f3a2f1%7C78b2bd11e42b47eab0112e04c3af5ec1%7C0%7C0%7C637671611076729970%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=4AhRuXZCnU5i3hcngo4H3UiNayYUtXpRcImV4slS1mw%3D&reserved=0>

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