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Re: [tor-bugs] #30542 [Applications/Tor Browser]: Investigate fingerprinting capability of viewport API
#30542: Investigate fingerprinting capability of viewport API
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Reporter: Thorin | Owner: tbb-
| team
Type: defect | Status: new
Priority: Medium | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Normal | Resolution:
Keywords: tbb-fingerprinting-resolution, tbb- | Actual Points:
mobile, tbb-parity, ff68-esr |
Parent ID: | Points:
Reviewer: | Sponsor:
| Sponsor44-can
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Comment (by Thorin):
FWIW, I added a keyboard and toolbar height PoC on TZP (it only shows if
you're using android) .. and it is a bit wonky: it depends if I can catch
the window size **with** the toolbar showing (which should happen with new
content), but sometimes it doesn't (latency?). Once you scroll and the
dynamic toolbar hides, I can calculate a relative height. Same if you
click in the text box to start typing
sysrqb had a plan for all this, but I haven't seen it yet. I'm concerned
about keyboard height - I believe there's a lot of entropy there, and
while it does require user gestures, it's not exactly easy for users to
avoid using input fields. Maybe this needs it's own ticket?
There's also differences for when you move to Fenix/GeckoView; e.g.
- https://bugzilla.mozilla.org/show_bug.cgi?id=1514429
- https://bugzilla.mozilla.org/show_bug.cgi?id=1523541
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30542#comment:13>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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