W3C home > Mailing lists > Public > public-did-wg@w3.org > June 2020

Re: Protocol for requesting private data?

From: Dan Bolser <dan@geromics.co.uk>
Date: Fri, 19 Jun 2020 12:09:50 +0100
Message-ID: <CANQ+bf6fy06tmj2A_PmrwJmEcMLTWCm6mHFTfxEhyiKKnRDf0w@mail.gmail.com>
To: "Sedlmeir, Johannes" <johannes.sedlmeir@fim-rc.de>, W3C DID Working Group <public-did-wg@w3.org>
Many thanks Johannes!

I'm CC'ing the list (given that you don't mind) and because I think this is
useful information to share.


Cheers,
Dan.

On Mon, 15 Jun 2020 at 12:06, Sedlmeir, Johannes <
johannes.sedlmeir@fim-rc.de> wrote:

> See https://www.w3.org/TR/vc-data-model/#dfn-verifiable-presentations,
> section 3.3 =)
>
>
>
> Also, you can download https://github.com/hyperledger/indy-sdk, run a
> local indy system or connect to an existing one, and run the samples.
>
>
>
> *Von:* Dan Bolser <dan@geromics.co.uk>
> *Gesendet:* Montag, 15. Juni 2020 13:05
> *An:* Sedlmeir, Johannes <johannes.sedlmeir@fim-rc.de>
> *Betreff:* Re: Protocol for requesting private data?
>
>
>
> Can you expand on what verifiable presentation means in this context?
>
>
>
> On Mon, 15 Jun 2020 at 12:04, Dan Bolser <dan@geromics.co.uk> wrote:
>
>
>
>
>
> On Mon, 15 Jun 2020 at 11:36, Sedlmeir, Johannes <
> johannes.sedlmeir@fim-rc.de> wrote:
>
> Hi Dan,
>
>
>
> of course you can reply to all, however I do not know how large the group
> is and whether it is intended for such queries (a am a rather passive
> participant).
>
>
>
> Also, make sure that you got my point about the verifiable presentation –
> in my opinion, this solution is already smooth and thoughtless no matter
> how complicated the scenario is. Are you familiar with Hyperledger
> Indy/Aries and the respective SDKs?
>
>
>
> No, I need to learn more. Is there a 'hello world' app I can build using
> them?
>
>
>
>
>
> Many thanks,
>
> DAn.
>
>
>
>
>
>
>
>
>
>
>
>
>
> Best,
>
> Johannes
>
>
>
> *Von:* Dan Bolser <dan@geromics.co.uk>
> *Gesendet:* Montag, 15. Juni 2020 11:30
> *An:* Sedlmeir, Johannes <johannes.sedlmeir@fim-rc.de>
> *Betreff:* Re: Protocol for requesting private data?
>
>
>
> Right, small amounts of data can be presented 'ad-hoc', e.g. the website
> itself can just ask me, dude, what's your shoe size.
>
>
>
> However, I'm thinking about a general protocol type solution that makes
> such requests smooth and 'thoughtless' even when the requested data is
> potentially complex, identifying and/or complex, changing and perhaps
> derived in different ways.
>
>
>
> Perhaps I didn't pick a great example to capture all that ;-)
>
>
>
> Would you be OK if I replied with the same as the above back on the list?
> It may help other people see what I'm driving at.
>
>
>
>
>
> Many thanks,
>
> Dan.
>
>
>
>
>
> On Wed, 10 Jun 2020 at 20:40, Sedlmeir, Johannes <
> johannes.sedlmeir@fim-rc.de> wrote:
>
> Hey Dan,
>
>
>
> I am not sure whether this is what you want, but you present this during a
> verifiable presentation by making the shoe size a self-attested claim.
>
>
>
> Hope this helps!
>
>
>
> Best,
>
> Johannes
>
>
>
> *Von:* Dan Bolser <dan@geromics.co.uk>
> *Gesendet:* Mittwoch, 29. April 2020 10:56
> *An:* public-vc-wg@w3.org
> *Betreff:* Protocol for requesting private data?
>
>
>
> Sorry if this is the wrong place to ask...
>
>
>
> I'm looking for details on how to use SSI to request access to 'private'
> data from a controller. Specifically, I'm thinking about nuggets of data
> that I don't want to put in plain text in a DID document.
>
>
>
> My example is shoe size. An online shoe shop wants to know my shoe size to
> taylor my browsing experience.
>
>
>
> Are there specific / concrete proposals on how to negotiate this data?
>
>
>
>
>
> Many thanks,
>
> Dan.
>
>
>
>
>
>
>
>
Received on Friday, 19 June 2020 11:10:19 UTC

This archive was generated by hypermail 2.4.0 : Friday, 19 June 2020 11:10:20 UTC