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Re: [tor-bugs] #29566 [Applications/Tor Browser]: math.cos reveals OS
#29566: math.cos reveals OS
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Reporter: Thorin | Owner: tbb-team
Type: defect | Status: new
Priority: Medium | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Normal | Resolution:
Keywords: tbb-fingerprinting-os | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by Thorin):
Replying to [comment:1 cypherpunks]:
> #13018
Thanks :) Yup, that was the ticket. Wow, 4 years. That ticket is about the
functions added in FF25+ - e.g like those in
https://ghacksuserjs.github.io/TorZillaPrint/TorZillaPrint.html#math -
which dosn't **seem** to differ in 60+ anyway (needs for testing I guess)
Also note, that sin() can also have differences, I'm just not sure on
which values over which platforms produce the desired results (and I could
probably find more functions) - I'm sure the solution for this would fix
any functions, so I'm not going to dig any further (except to show combos
for mac and other android versions using cos)
Edit: https://developer.mozilla.org/en-
US/docs/Web/JavaScript/Reference/Global_Objects/Math#Browser_compatibility
- `cos`, `sin` etc were FF version 1 compatible
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29566#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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