[tor-bugs] #13017 [Applications/Tor Browser]: Determine if AudioBuffers/OfflineAudioContext are a fingerprinting vector

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#13017: Determine if AudioBuffers/OfflineAudioContext are a fingerprinting vector
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 Reporter:  mikeperry                            |          Owner:
                                                 |  arthuredelstein
     Type:  task                                 |         Status:
                                                 |  assigned
 Priority:  Very High                            |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Critical                             |     Resolution:
 Keywords:  tbb-fingerprinting-os,               |  Actual Points:
  TorBrowserTeam201702, ff52-esr                 |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by lessgo):

 Based on 418 fingerprints of the Tor Browser only from FPCentral
 https://fpcentral.irisa.fr/customStats :

 ||=N°=||=Count=||=Percentage=||=User-
 Agent=||=pxi_full_buffer_hash=||=vc_output.ac-sampleRate=||=ac-
 maxChannelCount=||
 ||1||163||39.00%||"Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101
 Firefox/45.0"||158e8189a3551fe4f2e564ac377b0f1e588a1ab3||44100||2||
 ||2||104||24.88%||"Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101
 Firefox/45.0"||-||-||-
 ||3||28||6.70%||"Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101
 Firefox/45.0"||89cad797b11193226dd0d1e580c3e94578d71130||48000||2||
 ||4||26||6.22%||"Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101
 Firefox/45.0"||e8a01ccac064d752db0ae902529124d13313b336||44100||2||
 ||5||21||5.02%||"Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101
 Firefox/45.0"||a79e5e1e31619aee22a69786bc8cb6265fb30a0c||44100||2||
 ||6||16||3.83%||"Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101
 Firefox/45.0"||158e8189a3551fe4f2e564ac377b0f1e588a1ab3||48000||2||
 ||7||14||3.35%||"Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101
 Firefox/45.0"||4baefb2460306064e9f6482daa4031c2d0680077||44100||2||
 ||8||12||2.87%||"Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101
 Firefox/45.0"||89cad797b11193226dd0d1e580c3e94578d71130||44100||2||
 ||9||10||2.39%||"Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101
 Firefox/45.0"||158e8189a3551fe4f2e564ac377b0f1e588a1ab3||44100||0||
 ||10||4||0.96%||"Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101
 Firefox/45.0"||4baefb2460306064e9f6482daa4031c2d0680077||44100||10000||

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13017#comment:44>
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