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DP-3T/Documents: Decentralized Privacy-Preserving Proximity Tracing

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Re: DP-3T/Documents: Decentralized Privacy-Preserving Proximity Tracing

#4
post #3

Where does this differ from the Apple/google approach? I was reading their doc and it felt like I was re-reading a simplified version of the Apple documentation, with the addition of a traceable-to-the-person healthcare provider authorization code.

This document predates the Apple and google one.

Re: DP-3T/Documents: Decentralized Privacy-Preserving Proximity Tracing

#5
post #3

Where does this differ from the Apple/google approach? I was reading their doc and it felt like I was re-reading a simplified version of the Apple documentation, with the addition of a traceable-to-the-person healthcare provider authorization code.

This document predates the Apple and google one.

Ah, fair enough then :D

Re: DP-3T/Documents: Decentralized Privacy-Preserving Proximity Tracing

#8

a critical review of this approach: https://eprint.iacr.org/2020/399.pdf

Some of the attacks seem to be high cost, low payoff.

Have you read the newer version?

There is a new proposal that would protect against most of these attacks.

Re: DP-3T/Documents: Decentralized Privacy-Preserving Proximity Tracing

#9

Here's a comparison of the Apple-Google solution vs. the PEPP-PT project using this DP-3T approach: https://medium.com/@legfranck/the-good-and-the-bad-of-apple-...

I really hope Google and Apple will implement the proposed protocol from DP-3T and give audited and open source apps more control over how the contact tracing is done.

Re: DP-3T/Documents: Decentralized Privacy-Preserving Proximity Tracing

#10
post #9

Here's a comparison of the Apple-Google solution vs. the PEPP-PT project using this DP-3T approach: https://medium.com/@legfranck/the-good-and-the-bad-of-apple-...

I really hope Google and Apple will implement the proposed protocol from DP-3T and give audited and open source apps more control over how the contact tracing is done.

I agree. Ideally, the code will be embedded in the Android source code, which is open source. But more likely it will be an update of the Google Play Services, closed-source... But the Cloud code should definitely be open-source. We can count on Google for that.
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