[tor-bugs] #4810 [Applications/Tor Browser]: Weird screen sizes reported by Panopticlick

[Tor Bug Tracker & Wiki]

#4810: Weird screen sizes reported by Panopticlick
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 Reporter:  erikd                          |          Owner:  mikeperry
     Type:  enhancement                    |         Status:
                                           |  needs_revision
 Priority:  High                           |      Milestone:
Component:  Applications/Tor Browser       |        Version:
 Severity:  Normal                         |     Resolution:
 Keywords:  tbb-fingerprinting-resolution  |  Actual Points:
Parent ID:                                 |         Points:
 Reviewer:                                 |        Sponsor:
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Comment (by trippylizard):

 Why is this ticket still open 5 years after being reported, given an
 utterly sensible solution (snap reported desktop resolution to one of two
 values that will fit client window) has been proposed?

 Why is there not consensus that reporting a desktop resolution that no
 physical monitor has ever has is not a serious flaw, resorting to a deeply
 suspect argument 'we only need tor browser bundle users to be
 indistinguisable from each other'. The proposed fix would maintain that
 ability, while simultaneously removing the ability for a few lines of
 javascript to pick out a tor browser user from a non tor browser user.

 Seriously guys, it would take 5 minutes to patch this. Change
 getDesktopWidth() from { return window.width; } to { return window.width <
 1920 && window.height < 1080 ? 1920 : 2880; } and getDesktopHeight() from
 { return window.height; } to { return window.width < 1920 && window.height
 < 1080 ? 1080 : 1800; }

 See? Simple.

 So stop bloody prevaricating and arguing about this and just do it, or
 explain why it's taking so long.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4810#comment:17>
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