[tor-talk] Browserprint fingerprinting website

Nurmi, Juha juha.nurmi at ahmia.fi
Mon Jun 6 12:41:43 UTC 2016


On Mon, Jun 6, 2016 at 2:47 PM, <cube at browserprint.info> wrote:

> Hello, I'm the creator of a new fingerprinting website,
> https://browserprint.info
> Think Panopticlick but with a lot more tests.
> Many of the tests are even designed specifically to catch the Tor browser
> bundle out, for instance the Math/Tan function returns a different value
> based on what your underlying operating system is, so it's easy to detect
> when a browser is lying in their user-agent string.

This is clever! I didn't know about this. I see that 64bit Linux machine it
produces the value -1.4214488238747245 and on windows -4.987183803371025.

TorBrowser should not let you to detect the operation system.

> I would greatly appreciate if you visit the site and fingerprint
> yourselves since it will help me refine the techniques and improve the site.

We will visit your site. Interesting work.

> I'm adding more tests every week and if you have any ideas or suggestions
> I'd love to hear them.



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