[PrivacyBadger] Canvas Finger Printing
Aaron Gray
aaronngray.lists at gmail.com
Wed Jul 23 09:23:37 PDT 2014
Hi,
Just came across this :-
https://securehomes.esat.kuleuven.be/~gacar/persistent/the_web_never_forgets.pdf
https://securehomes.esat.kuleuven.be/~gacar/persistent/index.html
https://bgr.com/2014/07/22/canvas-fingerprinting-internet-tracking-tool/
AFAICS They are using variations in canvas rendering to recognise machines
and browsers, and calling Canvas.ToDataURL to get a BASE64 copy of the
rendering then doing a hash on that.
Regards,
Aaron
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