[tor-bugs] #15745 [Tor]: Randomize the introduction point accepted INTRODUCE2 count

Mon Apr 20 20:51:40 UTC 2015

#15745: Randomize the introduction point accepted INTRODUCE2 count
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 Reporter:  dgoulet           |          Owner:
     Type:  defect            |         Status:  new
 Priority:  normal            |      Milestone:  Tor: 0.2.7.x-final
Component:  Tor               |        Version:
 Keywords:  SponsorR, tor-hs  |  Actual Points:
Parent ID:  #15714            |         Points:
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 This is to address `b)` in the parent ticket #15714.

 It shouldn't be a fixed value else an attacker can count the number of
 intros required to rotate the intro point to gauge the popularity of a
 hidden service.

 See comment 1 and 2 from the parent ticket on this subject.
 https://trac.torproject.org/projects/tor/ticket/15714#comment:1
 https://trac.torproject.org/projects/tor/ticket/15714#comment:2

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15745>
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