[tor-bugs] #13280 [Tor]: Stop signed left shift overflows in ed25519

[Tor Bug Tracker & Wiki]

#13280: Stop signed left shift overflows in ed25519
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     Reporter:  teor    |      Owner:
         Type:  defect  |     Status:  needs_review
     Priority:  major   |  Milestone:  Tor: 0.2.6.x-final
    Component:  Tor     |    Version:  Tor: unspecified
   Resolution:          |   Keywords:  tor-router ed25519
Actual Points:          |  Parent ID:
       Points:          |
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Comment (by nickm):

 (I'd check it myself, but today is a family day, and we need to go to the
 aquarium)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13280#comment:7>
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