[tor-bugs] #4679 [Pluggable transport]: Design a pluggable transport roadmap

Tor Bug Tracker & Wiki torproject-admin at torproject.org
Thu Mar 15 22:28:48 UTC 2012


#4679: Design a pluggable transport roadmap
------------------------------------+---------------------------------------
    Reporter:  karsten              |       Owner:  sjmurdoch                
        Type:  project              |      Status:  closed                   
    Priority:  normal               |   Milestone:  Sponsor F: March 15, 2012
   Component:  Pluggable transport  |     Version:                           
  Resolution:  fixed                |    Keywords:                           
      Parent:                       |      Points:                           
Actualpoints:                       |  
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Changes (by sjmurdoch):

  * status:  new => closed
  * resolution:  => fixed


Comment:

 The roadmap can be found
 [https://www.cl.cam.ac.uk/~sjm217/papers/tor12pluggableroadmap.pdf as a
 PDF] and
 [https://gitweb.torproject.org/sjm217/torspec.git/tree/refs/heads/project4679:/proposals/ideas
 /xxx-pluggable-roadmap in git] (branch project4679, commit
 bb207c619310e450060ce39d6343c4742f26488f).

 In summary:

   Of the currently available pluggable transports, obfs2 is a good default
 due to its efficiency and resistance to blocking. StegoTorus offers
 alternative pluggable transports which are significantly harder to block,
 but come with a much higher overhead. Suggestions for future development
 include: efficiency improvements, splitting and joining Tor cells to
 disguise Tor's distinctive packet-size probability distribution, efficient
 ways to hide ciphertext in compressed data, hardening obfs2 against a
 passive adversary, and designing a HTTP transport capable of traversing a
 proxy server.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4679#comment:4>
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