[tor-bugs] #18993 [Core Tor/Tor]: Tweak vanity onion scheme to avoid producing invalid keys

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#18993: Tweak vanity onion scheme to avoid producing invalid keys
------------------------------+---------------------
     Reporter:  teor          |      Owner:
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  hs
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:  yawning
      Sponsor:                |
------------------------------+---------------------
 Yawning says that the vanity onion scheme should add 8 and 8*B rather than
 1 and B, so that the last 3 bits of the secret key are always valid.

 Please see my branch prop224-horse on
 https://github.com/teor2345/torspec.git

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18993>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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