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Re: Hello Credentials CG

From: Adrian Hope-Bailie <adrian@hopebailie.com>
Date: Thu, 4 Jun 2015 15:36:08 +0200
Message-ID: <CA+eFz_LM4aJT8JvZNTuuDdKjUAH1W76iAORD00zpiFLHLfayrg@mail.gmail.com>
To: ☮ elf Pavlik ☮ <perpetual-tripper@wwelves.org>
Cc: Markus Sabadello <markus@projectdanube.org>, W3C Credentials Community Group <public-credentials@w3.org>
Hey Markus,

Apologies for letting this slip without a reply, I actually spent some time
reading up on XDI after you sent this email but never responded. Thanks Alf
for prodding us!

I didn't notice that you mentioned Higgins and only recently stumbled upon
it. Can you share why this never went any further? Given it's similarities
with the Credentials work it would be useful to understand what was it's
downfall.

Adrian

On 4 June 2015 at 12:40, ☮ elf Pavlik ☮ <perpetual-tripper@wwelves.org>
wrote:

> On 03/27/2015 11:21 AM, Markus Sabadello wrote:
> > Hello there,
> Hi Markus,
>
> >
> > Just wanted to say hello, I have been on the list for a while but
> > haven't had a chance yet to participate.
> > For a while now, my friend Pavlik has been encouraging me to study the
> > great work you are doing!
> Thank you for introducing yourself to the group. At the same time my
> apologies that no one (including me till now) replied :(
>
>
> >
> > I'd like to share a few observations, questions..
> >
> > 1. A few years ago I was working on the Eclipse Higgins project and
> > InfoCards (aka Microsoft CardSpace).
> > The Credentials work reminds me very much of what we did back then, so
> > probably you are aware of that?
> > What you call a credential was called a card, but it was before JSON-LD,
> > so our cards simply had 15 pre-defined key/value fields.
> > We basically had all the architecture and components working, with
> > browser plug-ins ("selectors") that could submit cards (credentials) as
> > well as accept newly issued ones.
> > We even built a simple iPhone browser plug-in that could do this, in
> > 2008 even before Apple had released the App Store.
> > Okay enough history, you may have already known this anyway.
> Adrian just asked about Higgins over this mailing list :)
> https://lists.w3.org/Archives/Public/public-credentials/2015Jun/0007.html
>
>
> >
> > One thing that is not quite clear to me is whether a) a fresh credential
> > is obtained from the credential service every time it is needed at a
> > website, or whether b) it is just obtained once and then stored. Reading
> > your spec draft, I think it is a), but your intro video seems to suggest
> > b). So I assume you are considering both approaches.
> >
> > Another question I have is, how would I actually submit a credential to
> > a website in practice, e.g. with a browser plug-in or otherwise, do you
> > have working demos of this?
> I couldn't fully follow all the recent work in this group, bit stuck
> with Social WG work. I think you can take a look at some links I tried
> to gather on github.
> https://github.com/opencreds/website/wiki
>
> >
> > 2. I've also been working quite intensely with a technology called XDI,
> > which is a bit like the "evil twin" of RDF :)
> > XDI is politically a bit sensitive, and I don't want to get into it too
> > much.
> > But I do want to share a list of demos and use cases we have worked on
> > in the XDI world:
> > http://xdi2.org/demos.html
> Awesome! Those demos look very helpful, I'll try to go through them all
> and reply soon.
>
> >
> > There seems to be some overlap with your use cases.
> > In one of them ("+acmepizza"), a website requests an up-to-date e-mail
> > address for a customer whenever it is needed.
> > This seems to be similar to your "Non-interactive Transmission" use case.
> >
> > Anyway, just wanted to share this, looking forward to studying your work
> > more and comparing it with the technologies I have worked with.
> >
> > 3. My understanding is that a few of you will be at the upcoming IIW?
> > If so, it would be great to meet there and chat!
> Did you find someone from this group at IIW?
>
> >
> > all the best,
> > Markus
>
> Once again, happy that you decided to say hello! I should deploy on my
> webpage withing a week, my handcrafted setup to start implementing User
> Stories from Social WG. I really hope to have than more time to engage
> again with this group :)
>
> Ciao o/
>
>
Received on Thursday, 4 June 2015 13:36:43 UTC

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