NZ COVID Tracer app for Android and iOS

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902 posts

Ultimate Geek

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#2793694 12-Oct-2021 09:57

Oblivian:

Passport is said to be a mobile first web page. It is on th beta page at least. Basically the 'APP' would then likely be a front end trimmed browser - the kind you natively do with forums and the likes that make an 'icon' on your homescreen. Looks like an app, feels like an app, is a small webpage.

Sounds like that wouldn't load without a data connection though – eg. if you're one of the thousands at Rhythm & Vines and the mobile network is slammed. Or if you're on a plan with no remaining data etc.

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cruxis

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#2793696 12-Oct-2021 10:00

I assume the QR certificate will still work printed out small? I intend to stick it inside a keytag attached to my car keys.

I also hope to print some stickers postage stamp size, stick them on my phone case, and various things that I commonly carry. Corner of Eftpos card etc.

About 20mmx20mm in size , should all good?

Oblivian

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#2793716 12-Oct-2021 10:19

Benjip:

Sounds like that wouldn't load without a data connection though – eg. if you're one of the thousands at Rhythm & Vines and the mobile network is slammed. Or if you're on a plan with no remaining data etc.

No, PWAs (progressive web apps) can use total offline/cache mode also. They can do background updates and be ready for open. So as long as it doesn't actually have a need to revolve and just contains a URL or encoded jpg photo etc.

Stu

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#2793851 12-Oct-2021 12:26

cruxis:

I assume the QR certificate will still work printed out small? I intend to stick it inside a keytag attached to my car keys.

I also hope to print some stickers postage stamp size, stick them on my phone case, and various things that I commonly carry. Corner of Eftpos card etc.

About 20mmx20mm in size , should all good?

That would surely depend on the QR version and how much data it was holding? The more complicated it is, the larger it would need to be to be readable? Would possibly also require very accurate printing with little bleed.

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Technofreak

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#2793889 12-Oct-2021 13:10

Please forgive me if this has been answered before. How does the alert notification work with respect to alerting you that you have visited a location of interest? According to the explanatory You Tube clip on the Covid app you should turn alerts on so that you can be notified if you have been at a location of interest

Is there a list of places sent out as a broadcast notification which your app receives then compares to the locations you have scanned and then produces an alert on your phone?

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Oblivian

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#2793890 12-Oct-2021 13:11

Stu:

That would surely depend on the QR version and how much data it was holding? The more complicated it is, the larger it would need to be to be readable? Would possibly also require very accurate printing with little bleed.

That's also presuming it is going to be a user-side QR method. And if that, static vs revolving. It has its own quirks. Or just a static 'tick'

If a QR, Those scanning it need a device and or lookup ability too. Out in the wops this may be hard.

The australian NSW one has a combined use - QR scan per outlet that does some form of verify against your record at same time. Both location and status as a checkin - But kinda fell over (not ready)

https://www.smh.com.au/national/nsw/businesses-set-to-open-but-service-nsw-vaccine-passport-not-ready-20211007-p58y65.html

Oblivian

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#2793897 12-Oct-2021 13:21

Technofreak:

Please forgive me if this has been answered before. How does the alert notification work with respect to alerting you that you have visited a location of interest? According to the explanatory You Tube clip on the Covid app you should turn alerts on so that you can be notified if you have been at a location of interest

Is there a list of places sent out as a broadcast notification which your app receives then compares to the locations you have scanned and then produces an alert on your phone?

Note that was the original version (2020) it has updated since then. It was just the video to explain it the best in the not so smart person method you requested :)

Now, push notifications I believe are default. As you may have had yourself with it telling you the diary hasn't been updated, and when it alerts us to use the new features like filling in the LoI self-notification form etc. That your version is out of date and so on.

As long as it has a connection and can phone home now and then. It'll get a packet to check against (per previous posts you can see if there has been any) and trigger one if there was.

/edit The Aug one shows you there are alert settings. And alerts is permanent https://youtu.be/wnIsRqw9MHY?t=147 the others can now be turned off

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#2793916 12-Oct-2021 13:45

Technofreak:

Please forgive me if this has been answered before. How does the alert notification work with respect to alerting you that you have visited a location of interest? According to the explanatory You Tube clip on the Covid app you should turn alerts on so that you can be notified if you have been at a location of interest

Is there a list of places sent out as a broadcast notification which your app receives then compares to the locations you have scanned and then produces an alert on your phone?

The positive case will give the ok to upload their app data. This data will then be broadcast to all app install. If a location of interest plus date and time approximately matches the place you have visited and around that time then the app will show a notification and ask you to contact the MoH.

This should be the best case. Some people don't use the app all the time. So manual process still need to be conducted. In the case of that couple in the news linked before, are they absolutely sure they were there at the same time or just before/after the time?

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Technofreak

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#2793966 12-Oct-2021 13:49

Oblivian:

Technofreak:

Please forgive me if this has been answered before. How does the alert notification work with respect to alerting you that you have visited a location of interest? According to the explanatory You Tube clip on the Covid app you should turn alerts on so that you can be notified if you have been at a location of interest

Is there a list of places sent out as a broadcast notification which your app receives then compares to the locations you have scanned and then produces an alert on your phone?

Note that was the original version (2020) it has updated since then. It was just the video to explain it the best in the not so smart person method you requested :)

Now, push notifications I believe are default. As you may have had yourself with it telling you the diary hasn't been updated, and when it alerts us to use the new features like filling in the LoI self-notification form etc. That your version is out of date and so on.

As long as it has a connection and can phone home now and then. It'll get a packet to check against (per previous posts you can see if there has been any) and trigger one if there was.

/edit The Aug one shows you there are alert settings. And alerts is permanent https://youtu.be/wnIsRqw9MHY?t=147 the others can now be turned off

Yep fully understand about the notification being on by default.

So far as the packet you mention (in the text I have highlighted) are you talking about the Google/Apple Exposure Notifications? Because that wasn't my understanding of what was being talked about in that video. Perhaps I misunderstood.

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#2793978 12-Oct-2021 14:02

Technofreak:

So far as the packet you mention (in the text I have highlighted) are you talking about the Google/Apple Exposure Notifications? Because that wasn't my understanding of what was being talked about in that video. Perhaps I misunderstood.

The Exposure Notification is in addition to the data from QR codes.

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Oblivian

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#2793986 12-Oct-2021 14:07

Unfortunately you can't ask for a simple explanation or if there is a need for one. And then ask about HOW it works in the simplest regard. They don't really go hand in hand

The moment you want to know HOW it works. You are getting beyond the simplest explanation being sought for those who aren't tech savy. Which is - 'it just does'.

Yes, Google ENI packets are one. (Bluetooth) but in the case of these people, if they have no bluetooth notifications against the contact. The threat level reduces even more and may not require a notification via the app to alert them like they are seeking.

About page 18

https://www.health.govt.nz/system/files/documents/pages/pia_-_nz_covid_tracer_-_release_8_plus_potential_contact_form.pdf

. Contact Tracers have identified that the App can assist to provide notification of potential
contacts of an individual who has since tested positive. If an Exposure Event is
determined to have created a risk of infection of Contacts, and that Location has a
GLN10
, a clinical decision will be made as to whether it will benefit the Contact Tracing
process to send Notification via the App, in addition to the other methods available for
identifying Contacts.

If the other party didn't scan, or they were NOT there a the same time. Or do not consent to the use of their diary. The risk levels change. They may never get the notification they are waiting on and went to the media about

It needs to meet criteria.

But Both, involve sending a packet to our devices. ENI does bluetooth key checks. The other looks for a QR code of interest.

Technofreak

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#2794013 12-Oct-2021 14:45

Oblivian:

Unfortunately you can't ask for a simple explanation or if there is a need for one. And then ask about HOW it works in the simplest regard. They don't really go hand in hand

The moment you want to know HOW it works. You are getting beyond the simplest explanation being sought for those who aren't tech savy. Which is - 'it just does'.

Yes, Google ENI packets are one. (Bluetooth) but in the case of these people, if they have no bluetooth notifications against the contact. The threat level reduces even more and may not require a notification via the app to alert them like they are seeking.

About page 18

https://www.health.govt.nz/system/files/documents/pages/pia_-_nz_covid_tracer_-_release_8_plus_potential_contact_form.pdf

. Contact Tracers have identified that the App can assist to provide notification of potential
contacts of an individual who has since tested positive. If an Exposure Event is
determined to have created a risk of infection of Contacts, and that Location has a
GLN10
, a clinical decision will be made as to whether it will benefit the Contact Tracing
process to send Notification via the App, in addition to the other methods available for
identifying Contacts.

If the other party didn't scan, or they were NOT there a the same time. Or do not consent to the use of their diary. The risk levels change. They may never get the notification they are waiting on and went to the media about

It needs to meet criteria.

But Both, involve sending a packet to our devices. ENI does bluetooth key checks. The other looks for a QR code of interest.

I understand there are varying conditions that affect what happens.

I thought my question was quite simple and only needed a simple answer which so far no one has provided. I'll try again.

Since your data is only shared with your permission and until then is only stored on your device how is the notification process handled when it is decided that such a notification needs to be sent? I'm not asking about the Bluetooth notifications. Is a general broadcast of "Locations of Interest" data (say QR code data) sent to very device with the app installed and then the app compares that data with the saved data on the device and then generates a notification that that person is a contact? I'm presuming this is how it works but would like confirmation.

My reason for asking is I come across people who are hesitant to use the app because of "Big Brother" concerns. To the uninitiated the fact the app can notify you when you have been exposed means that surely the authorities must be tracking you in order to have this information. Knowing how the app does it then makes it possible to explain or allay their concerns.

Just saying "It does" doesn't cut the mustard.

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Oblivian

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#2794017 12-Oct-2021 14:51

Sorry you were picking holes in the main thread that it wasn't clear for laymans. I figured you were still on the same route here.

Technically how it does that, You've answered your own question and it was described in the early phases of this thread.

(And outlined in the document that is signed off by the privacy commissioner linked in great detail.)

Pg 55 on.

It sends notifications to all, if it finds a match, you hear about it. If it doesn't find a match. You don't. But it won't get to anyone to even be able to be sent to others, without approval/the user uploading it.

As seen here (which most people won't read, because 'govt' even if it is more than 'it just does') https://www.health.govt.nz/our-work/diseases-and-conditions/covid-19-novel-coronavirus/covid-19-resources-and-tools/nz-covid-tracer-app/privacy-and-security-nz-covid-tracer

It's also outlined in the how guide of the app itself. not that any of those people would believe it any more anyway. Once in the mindset. They're not easily swayed.

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#2794018 12-Oct-2021 14:52

Technofreak:

Since your data is only shared with your permission and until then is only stored on your device how is the notification process handled when it is decided that such a notification needs to be sent? I'm not asking about the Bluetooth notifications. Is a general broadcast of "Locations of Interest" data (say QR code data) sent to very device with the app installed and then the app compares that data with the saved data on the device and then generates a notification that that person is a contact? I'm presuming this is how it works but would like confirmation.

I already answered it here.

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Technofreak

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#2794023 12-Oct-2021 15:04

freitasm:

Technofreak:

Since your data is only shared with your permission and until then is only stored on your device how is the notification process handled when it is decided that such a notification needs to be sent? I'm not asking about the Bluetooth notifications. Is a general broadcast of "Locations of Interest" data (say QR code data) sent to very device with the app installed and then the app compares that data with the saved data on the device and then generates a notification that that person is a contact? I'm presuming this is how it works but would like confirmation.

I already answered it here.

My apology. I completely missed that post. Thank you.

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