#30537: WebGL fingerprint is different between Windows versions (and compared to non-Windows OSes) -------------------------------------------------+------------------------- Reporter: gk | Owner: tbb- | team Type: defect | Status: new Priority: High | Milestone: Component: Applications/Tor Browser | Version: Severity: Normal | Resolution: Keywords: tbb-fingerprinting, tbb- | Actual Points: fingerprinting-os | Parent ID: | Points: Reviewer: | Sponsor: -------------------------------------------------+-------------------------
Comment (by gk): Replying to [comment:3 Thorin]: [snip] > **Please advise**: I was going to open another ticket when I had done some more testing, but **readPixels** is not covered by RFP (see https://bugzilla.mozilla.org/show_bug.cgi?id=1428034 ) and using my tests [1], on windows I get entropy. Not sure if unique or just OS. Yes, could you please open another ticket for the `readPixels` issue? I wonder what version you tested with in https://bugzilla.mozilla.org/show_bug.cgi?id=1428034#c7. Given that it is from a month ago and we did not change anything substantially for a while now regarding our WebGL fingerprinting behavior that's a bit puzzling (we removed WebGL only as click-to-play from default Tor Browser mode). > - Windows 7 32bit `2ba61e7e8e370fdbcefb79456e7e944b060f34289af33732aa6eb75af61ff06c` > - Windows 7 64bit `ac9aa378cd16219ecbcb6ec46b57d8a484ac8ad61cbe63c810b40fb2c741e7f3` > - Windows10 64bit `c4ef81818ccaca2c4933f63c45bf5ffaaa7f2233f2761e3c6ba14a9e5cb82c25` > > It seems to be consistent on Linux, and Mac i have no idea: here's some data > - Mint Cinnamon 32/64bit `not supported` > - Ubuntu GNOME `5abc446cce2558be83bfe60baeb6dc7ff2a17635057c4612fe835649e7c77329` > - Debian GNOME `5abc446cce2558be83bfe60baeb6dc7ff2a17635057c4612fe835649e7c77329` > - Mac 10.14 `96f2538daa8a0a180f77a13d80ad455a75ae17c5495ce90fa4fd4267cbfd5210` Interestingly, I get your macOS one on one of my Linux boxes. -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30537#comment:4> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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