W3C home > Mailing lists > Public > public-credentials@w3.org > March 2018

Re: Please review simple signed VC

From: Markus Sabadello <markus@danubetech.com>
Date: Sat, 10 Mar 2018 14:41:12 +0100
To: public-credentials@w3.org
Message-ID: <bc56c89b-556b-242b-3487-434bb0bb3dd1@danubetech.com>
A small typo, remove the colon here:

    "creator": "did:btcr:xyv2-xzyq-qqm5-tyke*:*#keys-1",

I also think the signature format will change ("jws" instead of
"signatureValue"), but not sure if that has been decided and specified.

Markus

On 03/10/2018 08:34 AM, Christopher Allen wrote:
> I ran this very simple, signed. web-of-trust, verifiable credential by
> a few folk at this week’s #RebootingWebOfTrust to confirm that it
> conforms to our latest thoughts, for possibly adding to a new CCG
> Valid Samples repo.
>
> Some notes:
>
> * Basically this verifiable credential says that DID “…tyke” (my
> testnet DID) names locally the DID “…xnhn” as “KimH” (this DID is a
> testnet DID created by Kim Hamilton).
>
> * It uses a bitcoin-based DIDs, and both of these are real and functional.
>
> * The public key can be confirmed in the Bitcoin blockchain, the
> signature is correct, and key has not been revoked by the DID.
>
> * It uses valid schema.org <http://schema.org> and security schemas.
> At some point we should have our own schema, as alternateName should
> instead be edgeName as per new pet names paper.
>
> * This credential does specify the issuer inside the claim itself,
> rather than relying on defaulting the issuer to be the creator of the
> signature.  This is important for future counter claims and witnesses.
>
> * The signature is now called proof, not signature.
>
> * The creator in the proof points to the public key in the DID, but
> doesn’t include the actual public key.
>
> {
>   "@context": [
>     "https://schema.org/",
>     "https://w3id.org/security/v1"
>   ],
>   "issuer": "did:btcr:xyv2-xzyq-qqm5-tyke",
>   "claim": {
>     "id": "did:btcr:xkyt-fzgq-qq87-xnhn",
>     "alternateName": "KimD"
>   },
>   "proof": {
>     "type": "EcdsaKoblitzSignature2016",
>     "created": "2018-03-08T21:09:36Z",
>     "creator": "did:btcr:xyv2-xzyq-qqm5-tyke:#keys-1",
>     "signatureValue":
> "H3yEiysgAZ9KjCL5pd4PHKZRQ8UAN9PlkjSEb7xplXP+BLQ7yWZuplIGPCAh7943upqa7KgXfUqBDxW4oyXcbAo="
>   }
> }
>
> Any other comments before I put it in the Valid Sample repo?
>
> — Christopher Allen
>
Received on Saturday, 10 March 2018 13:41:47 UTC

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