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Re: secp256k1 curve and algorithm registered for JOSE use

From: Oliver Terbu <oliver.terbu@consensys.net>
Date: Thu, 4 Jun 2020 10:32:03 +0200
Message-ID: <CALu3yZ++NE9T7q30+7ZDeph2nt3t_C2SskHWaL6Vauep5uegcg@mail.gmail.com>
To: Kyle Den Hartog <kyle.denhartog@mattr.global>
Cc: Mike Jones <Michael.Jones@microsoft.com>, "public-did-wg@w3.org" <public-did-wg@w3.org>
Mike, thank you so much! That sounds really awesome.

Oliver

On Tue, Jun 2, 2020 at 3:35 PM Kyle Den Hartog <kyle.denhartog@mattr.global>
wrote:

> Hooray! Thanks for getting this through Mike.
>
>
>
> -Kyle
>
>
>
> *From: *Mike Jones <Michael.Jones@microsoft.com>
> *Sent: *Monday, June 1, 2020 11:18 AM
> *To: *public-did-wg@w3.org
> *Subject: *secp256k1 curve and algorithm registered for JOSE use
>
>
>
> IANA has registered the “secp256k1” elliptic curve in the JSON Web Key
> Elliptic Curve
> <https://www.iana.org/assignments/jose/jose.xhtml#web-key-elliptic-curve>
> registry and the corresponding “ES256K” signing algorithm in the JSON Web
> Signature and Encryption Algorithms
> <https://www.iana.org/assignments/jose/jose.xhtml#web-signature-encryption-algorithms>
> registry.  This curve is widely used among blockchain and decentralized
> identity implementations.
>
>
>
> The registrations were specified by the COSE and JOSE Registrations for
> WebAuthn Algorithms
> <https://tools.ietf.org/html/draft-ietf-cose-webauthn-algorithms-06>
> specification, which was created by the W3C Web Authentication working
> group <https://www.w3.org/Webauthn/> and the IETF COSE working group
> <https://datatracker.ietf.org/group/cose/about/> because WebAuthn
> <https://www.w3.org/TR/webauthn/> also allows the use of secp256k1.  This
> specification is now in IETF Last Call.  The corresponding COSE
> registrations will occur after the specification becomes an RFC.
>
>
>
>                                                        -- Mike
>
>
>
> P.S.  This notice was also published at https://self-issued.info/?p=2093
> and as @selfissued <https://twitter.com/selfissued>.
>
>
>
>
>
> This communication, including any attachments, is confidential. If you are not the intended recipient, you should not read it - please contact me immediately, destroy it, and do not copy or use any part of this communication or disclose anything about it. Thank you. Please note that this communication does not designate an information system for the purposes of the Electronic Transactions Act 2002.
>
>
Received on Thursday, 4 June 2020 08:32:27 UTC

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