Re: Moving BBS+ signature scheme specification for JSON-LD Signatures into CCG

Obviously supportive of this, let's get it adopted as a work item. We have
done our best to get the spec in order, but there are still some issues
open which could impact the suite representation significantly... But
overall, the was my favorite thing from IIW, and I'm very eager to support
both the code and the spec!

On Fri, May 1, 2020, 10:32 AM Manu Sporny <msporny@digitalbazaar.com> wrote:

> On 4/30/20 9:02 PM, Kyle Den Hartog wrote:
> > As many of you know from IIW, Mattr has been working on a method to
> > achieve selective disclosure with ZKPs in a way that works with JSON-LD
> > signatures and plugs directly into vc-js. With that, we've written a
> > specification on how this JSON-LD signatures scheme would work and would
> > like to move it into the CCG as a work item to go with the LD-proofs
> work.
>
> Digital Bazaar is deeply supportive of this work because:
>
> * It enables a "dip your toes in the water" approach to ZKPs
>   and how they are used in the Verifiable Credentials
>   ecosystem.
>
> * It is agnostic to the signature packaging format (JOSE vs.
>   LD Proofs), enabling the entire ecosystem to use it.
>
> * It does not require a DLT, and is thus ledger-agnostic.
>
> * It separates selective-disclosure and link secrets, the
>   former being useful for a wider variety of use cases than the
>   latter.
>
> * It is possible to make it a drop-in technological replacement
>   for existing signature schemes, such as
>   Ed25519SignatureSuite2018.
>
> There were a number of concerns raised by Nathan George during the IIW
> presentation that we feel need to be explored to ensure that we have all
> of the security corner cases covered.
>
> We applaud Mattr (Kyle, Tobias, Mike L., and supporting organizations)
> for their work in this space. Very excited to see this work move forward.
>
> -- manu
>
> --
> Manu Sporny - https://www.linkedin.com/in/manusporny/
> Founder/CEO - Digital Bazaar, Inc.
> blog: Veres One Decentralized Identifier Blockchain Launches
> https://tinyurl.com/veres-one-launches
>
>