[tor-bugs] #7869 [Core Tor/Tor]: ntor-onion-key is padded with an equal sign

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Jun 23 16:15:56 UTC 2017


#7869: ntor-onion-key is padded with an equal sign
-----------------------------------------------+---------------------------
 Reporter:  rransom                            |          Owner:  Jigsaw52
     Type:  defect                             |         Status:
                                               |  needs_review
 Priority:  Low                                |      Milestone:  Tor:
                                               |  0.3.2.x-final
Component:  Core Tor/Tor                       |        Version:
 Severity:  Normal                             |     Resolution:
 Keywords:  tor-relay, intro, review-group-18  |  Actual Points:
Parent ID:                                     |         Points:
 Reviewer:  catalyst                           |        Sponsor:
-----------------------------------------------+---------------------------

Comment (by catalyst):

 Thanks for the updated patches, and sorry about the delay.  I'll comment
 on the torspec changes first.

 The patch to `dir-spec.txt` looks good.  It could possibly be more
 specific about referring to the microdescriptors rather than router
 descriptors (where I think we should still allow optional padding because
 they're self-signed).

 There are a few more places that need updated text about `ntor-onion-key`:

 * Section 3.3 (Computing microdescriptors) should mention that prior to
 consensus method 27, `=` padding is required, and the padding must be
 absent in consensus method 27 and later.

 * Section 3.8.1 (Forward compatibility) should get an additional line for
 "27".

 There might be other places I missed; please let me know if you find
 others!

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7869#comment:30>
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