[tor-bugs] #28634 [Core Tor/Tor]: Design a useful padding machine that we can enable

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#28634: Design a useful padding machine that we can enable
-------------------------------------------------+-------------------------
 Reporter:  asn                                  |          Owner:  (none)
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.4.0.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  wtf-pad, tor-relay, tor-cell,        |  Actual Points:
  padding                                        |
Parent ID:  #28632                               |         Points:
 Reviewer:  mikeperry                            |        Sponsor:
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Comment (by mikeperry):

 Re "XXX This is not good enough since this randomization is global...This
 should be randomized for each circuit" in
 +setup_machine_states_for_hiding_ip_circuits().. This is what the
 circpad_state_t.length_dist is for -- it allows you to specify a
 probability distribution that governs how many cells the state should last
 for (and length_includes_nonpadding specifies if that should count
 nonpadding cells too).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28634#comment:5>
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