[tor-bugs] #12606 [Pluggable transport]: Refactor obfs4proxy (and the support protocol code)

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#12606: Refactor obfs4proxy (and the support protocol code)
-------------------------------------+--------------------------
     Reporter:  yawning              |      Owner:  yawning
         Type:  defect               |     Status:  needs_review
     Priority:  normal               |  Milestone:
    Component:  Pluggable transport  |    Version:
   Resolution:                       |   Keywords:  obfs4
Actual Points:                       |  Parent ID:  #12130
       Points:                       |
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Comment (by yawning):

 Replying to [comment:9 asn]:
 > New changes look good and my bridge seems to function fine with them.
 >
 > I wonder if you could have used base32 instead of base16. Do
 implementations of base32 append padding?

 I thought about using Base32, but alas the lengths of the fields I'm
 exporting would likewise require padding there.  Once I fix the issues in
 the SOCKS5 stuff and the TBB integration branch I'll go back and add
 support for leveled logging, update the README and tag a release.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12606#comment:10>
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