Re: [PROPOSED WORK ITEM] VP Request Specification (for CHAPI etc)

On Tue, 5 May 2020 at 00:25, Dmitri Zagidulin <dzagidulin@gmail.com> wrote:

> *New Work Item Proposal*
>
> This data model specification describes a declarative JSON-based query
> language used by applications to perform requests for Verifiable
> Presentations to wallets and agents.
>
> The Credential Handler API
> <https://w3c-ccg.github.io/credential-handler-api/> (CHAPI) spec is an
> existing Work Item of this community group, and has seen increased
> implementation and discussion activity recently (for example, the CHAPI and
> DIDComm overview presentations given at last week's IIW conference resulted
> in a lot of great questions and expression of interest). And if the CHAPI
> spec describes a protocol, a simple communication pipe over which apps can
> communicate with wallets through a web browser, then the VP Request Spec
> work item proposed in this email, is a data model complement to it.
>
> Is the CHAPI protocol bound to the VP Request Spec data model? No, you can
> use CHAPI to pass on other types of messages and requests.
>
> Is the VP Request Spec limited only to CHAPI? No, you can use this
> declarative query syntax with other protocols, such as by wrapping it in
> DIDComm messages, or by serializing it into URLs, for use with inter-app
> communication within mobile operating systems.
>
> What is the relationship between the VP Request format and query formats
> used by DIDComm? That is partly what we hope to explore and come to
> consensus on in this proposed work item! In general, we believe that these
> formats can be complementary and inter-operable.
>
> *Include Link to Abstract or Draft*
>
> https://digitalbazaar.github.io/vp-request-spec/
>

+1

Liked the demo.  Short on time right now, so cant commit to an
implementation.

But it does look like something that I think would be interesting, to try
and implement.


>
>
> *Owners*
>
> Dave Longley
> Mike Varley
> Dmitri Zagidulin
>