[tor-bugs] #12404 [Tor]: #9777 breaks clients that build with disabled curve25519

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#12404: #9777 breaks clients that build with disabled curve25519
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 Reporter:  arma    |          Owner:
     Type:  defect  |         Status:  new
 Priority:  normal  |      Milestone:  Tor: 0.2.5.x-final
Component:  Tor     |        Version:
 Keywords:          |  Actual Points:
Parent ID:          |         Points:
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 #9777 made us try 32 times to get a circuit with at least one ntor
 supporting relay in it, and after that we give up.

 But if you build without CURVE25519_ENABLED you're never going to get
 there.

 Seems like we should allow people who build without it to work?

 Suggested by
 https://blog.torproject.org/blog/tor-02422-released#comment-63335

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12404>
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