[tor-bugs] #25277 [Webpages]: Publish regex for v3 hidden services

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#25277: Publish regex for v3 hidden services
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 Reporter:  ageisp0lis                           |          Owner:  (none)
     Type:  enhancement                          |         Status:  new
 Priority:  Medium                               |      Milestone:
Component:  Webpages                             |        Version:  Tor:
                                                 |  unspecified
 Severity:  Normal                               |     Resolution:
 Keywords:  hidden services, v3, next-           |  Actual Points:
  generation, regex                              |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by ageisp0lis):

 @arma: The manual at [https://www.torproject.org/docs/tor-manual.html.en]
 of course. Under **HidServAuth**, it reads:

 > Valid onion addresses contain 16 characters in a-z2-7 plus ".onion", and
 valid auth cookies contain 22 characters in A-Za-z0-9+/.

 The regex for the HidServAuth cookie was valuable information to validate
 setups when I was with SecureDrop and we were using stealth
 authentication.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25277#comment:5>
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