- From: Jan-Ivar Bruaroey via GitHub <sysbot+gh@w3.org>
- Date: Thu, 24 Sep 2020 18:45:39 +0000
- To: public-webrtc-logs@w3.org
> Allowing required constraints in advanced sets has the same fingerprinting consequences as allowing them in the basic set.
@guidou Not really, because
> getUserMedia({video: {pan: {exact: 10}}) gives OverconstrainedError if pan is not supported, which is a fingerprinting issue.
...throws without a prompt (albeit at the risk of prompting the user, but it works even if they deny), whereas
> getUserMedia({video: advanced: [{pan: 10, width: 10, resizeMode: "crop-and-scale"}]) gives you width 10 if pan is supported and width different from 10 if pan is not supported
...only fingerprints **_if_** the user grants permission. If they **_don't_** grant permission then no fingerprint; a significant difference.
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Received on Thursday, 24 September 2020 18:45:42 UTC