[tor-bugs] #18119 [Tor]: .onion domain names can be really short

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#18119: .onion domain names can be really short
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 Reporter:  azazar                 |          Owner:
     Type:  enhancement            |         Status:  closed
 Priority:  Medium                 |      Milestone:  Tor: very long term
Component:  Tor                    |        Version:
 Severity:  Normal                 |     Resolution:  wontfix
 Keywords:  tor-hs needs-proposal  |  Actual Points:
Parent ID:                         |         Points:
  Sponsor:                         |
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Comment (by teor):

 Replying to [comment:7 azazar]:
 > Replying to [comment:4 yawning]:
 >
 > > Blindly truncating down addresses assuming the shorted format when
 doing the comparsion probably leads to odd things happening to existing
 deployed HSes that happen to have a stream of `a`s at the end.
 >
 > Actually, this patch is backwards-compatible, all existing addresses
 should work as they did before. It translates only shortened addresses.
 What kind of odd things could happen?

 Some existing addresses have one or more "a"s at the end.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18119#comment:9>
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