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Re: [tor-bugs] #2781 [Torbutton]: Review Robert Hogan's WebKit patches
#2781: Review Robert Hogan's WebKit patches
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Reporter: mikeperry | Owner: mikeperry
Type: task | Status: new
Priority: normal | Milestone:
Component: Torbutton | Version:
Keywords: MikePerryIteration20110403 TorbuttonIteration20110403 | Parent:
Points: 3 | Actualpoints:
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Comment(by mikeperry):
Ok, this sounds great, then. I have one more question about the patch, and
some other general questions that I might as well write here.
First, what about bit depth? window.screen has pixelDepth and colorDepth.
Also, do you happen to know if the new WebGL stuff gets this same
information? It looks like WebGL also has a way of telling you things
about the display: https://www.khronos.org/registry/webgl/specs/1.0/#5.2
(and 5.11).
I suspect it may be different, though, because it probably comes directly
from OpenGL :/
Finally, there appears to be new fingerprinting bits in the DOM Range
stuff for HTML5:
https://developer.mozilla.org/en/dom:range
https://developer.mozilla.org/en/DOM/element.getBoundingClientRect
It looks like you can get the rendered pixel size of arbitrary content
elements, which is a fingerprint source.. Perhaps these should be added to
your webkit Fingerprinting page. Probably beyond the scope of this patch.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2781#comment:4>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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