[tor-bugs] #17965 [Applications/Tor Browser]: Isolate HPKP and HSTS to url bar domain

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#17965: Isolate HPKP and HSTS to url bar domain
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 Reporter:  mikeperry                            |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-linkability,                     |  Actual Points:
  TorBrowserTeam201704R                          |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by gk):

 I applied the patches to `tor-browser-52.1.0esr-7.0-2`. Compiling on all
 three platforms works. Testing and looking at the resulting
 `SiteSecurityServiceState.txt` does not show any difference (e.g. domain
 isolation key or something) to "normal" `SiteSecurityServiceState.txt`
 files. Not sure if that is intended or not but that's a thing to keep in
 mind during a proper review. (My assumption was that there actually should
 be such a key saved. How else would code running in a new session know
 which domain those entries were keyed to?)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17965#comment:21>
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