[tor-bugs] #30716 [Circumvention/Obfs4]: Improve the obfs4 obfuscation protocol

Tor Bug Tracker & Wiki blackhole at torproject.org
Sat Jun 1 01:28:14 UTC 2019


#30716: Improve the obfs4 obfuscation protocol
------------------------------------------------+--------------------------
 Reporter:  phw                                 |          Owner:  phw
     Type:  task                                |         Status:  assigned
 Priority:  High                                |      Milestone:
Component:  Circumvention/Obfs4                 |        Version:
 Severity:  Normal                              |     Resolution:
 Keywords:  sponsor28, anti-censorship-roadmap  |  Actual Points:
Parent ID:                                      |         Points:  20
 Reviewer:                                      |        Sponsor:
                                                |  Sponsor28-must
------------------------------------------------+--------------------------

Comment (by yawning):

 One of the design deficiencies of the obfs4 protocol is that it doesn't
 easily/efficiently support backward incompatible protocol alterations.

 There are ways around this, but at that point, people are better off
 writing a new different/backwards incompatible protocol entirely, that
 fixes a number of the design flaws in the underlying protocol.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30716#comment:1>
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