[tor-bugs] #22006 [Core Tor/Tor]: prop224: Validate ed25519 pubkeys to remove torsion component

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#22006: prop224: Validate ed25519 pubkeys to remove torsion component
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 Reporter:  asn                     |          Owner:
     Type:  defect                  |         Status:  new
 Priority:  Medium                  |      Milestone:  Tor: 0.3.1.x-final
Component:  Core Tor/Tor            |        Version:
 Severity:  Normal                  |     Resolution:
 Keywords:  tor-hs prop224 ed25519  |  Actual Points:
Parent ID:  #21888                  |         Points:
 Reviewer:                          |        Sponsor:  SponsorR-can
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Comment (by asn):

 Pushed initial branch at `bug22006`.

 I want to write another unittest to ensure that the validation function
 catches evil pubkeys. I need Ian's help with that; will come back to this
 soon. Not marking this as `needs_review` yet.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22006#comment:2>
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