Re: EU Health sertificates

Has there been any thoughts of flows for how this could work? Like this one?

A solution without pairings, where one can give a range-proof for date.
online registration with FHI(Norwegian trusted authority):
1. commit to ID, validity period, and status "protected"
2. ZK proof of known opening
3. FHI signs commitment
4. build this into QR
5. print certificate
offline verification by player:
1. scan QR
2. check signature
3. check ZK proof
4. check ID
5. approve / reject
ᐧ

On Thu, May 6, 2021 at 1:13 PM Snorre Lothar von Gohren Edwin <
snorre@diwala.io> wrote:

> Thanks Adrian!
>
> In terms of this:
> "4. Privacy
> Patients can be vaccinated anonymously while still producing authentic
> credentials as described in #1-3 above. However, being able to track
> patients across time provides valuable additional information. This
> includes the emergence of variants, vaccine efficacy in various contexts,
> side-effects, and long-term health impact.  Technology for tracking people
> across time while preserving privacy is already deployed to assist with
> contact tracing. The de-identified individuals can only be tracked with
> their informed authorization. Privacy-by-default tracking as a feature of
> digital credentials is practical given planning and coordination."
>
> How do you keep privacy when you start discussing ID correlation over
> time? If you use this piece of paper that is not possible to switch out
> easily, or can be with a printing tool online. But is there any thought
> gone into that?
> ᐧ
>
> On Thu, May 6, 2021 at 1:05 PM Adrian Gropper <agropper@healthurl.com>
> wrote:
>
>>
>> https://blog.petrieflom.law.harvard.edu/2021/05/05/design-considerations-vaccine-credentials/
>>
>> - Adrian
>>
>> On Thu, May 6, 2021 at 6:59 AM Snorre Lothar von Gohren Edwin <
>> snorre@diwala.io> wrote:
>>
>>> Just wanted to follow up on this. What are peoples thoughts on this QR
>>> representation and that it is not using VC or did relate technology.
>>> But it is using CBOR and other technology mentioned in this list before
>>> ᐧ
>>>
>>> On Tue, May 4, 2021 at 9:38 AM Snorre Lothar von Gohren Edwin <
>>> snorre@diwala.io> wrote:
>>>
>>>> Hi! I wonder if anyone on this list has been involved in the work of
>>>> this: https://github.com/ehn-digital-green-development/hcert-spec
>>>>
>>>> I just cannot see any reference to what this group work so hard at
>>>> achieving. Or have they only taken inspiration and basically just use
>>>> different terminology for what might be similar?
>>>>
>>>> --
>>>>
>>>> *Snorre Lothar von Gohren Edwin*
>>>> Co-Founder & CTO, Diwala
>>>> +47 411 611 94
>>>> www.diwala.io
>>>> ᐧ
>>>>
>>>
>>>
>>> --
>>>
>>> *Snorre Lothar von Gohren Edwin*
>>> Co-Founder & CTO, Diwala
>>> +47 411 611 94
>>> www.diwala.io
>>>
>>
>
> --
>
> *Snorre Lothar von Gohren Edwin*
> Co-Founder & CTO, Diwala
> +47 411 611 94
> www.diwala.io
>


-- 

*Snorre Lothar von Gohren Edwin*
Co-Founder & CTO, Diwala
+47 411 611 94
www.diwala.io