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Re: [tor-bugs] #22992 [Core Tor/Tor]: master pubkey of the hidden service quantum computer resistance

#22992: master pubkey of the hidden service quantum computer resistance
---------------------------+-------------------------------------
 Reporter:  Dbryrtfbcbhgf  |          Owner:
     Type:  defect         |         Status:  new
 Priority:  Medium         |      Milestone:  Tor: very long term
Component:  Core Tor/Tor   |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:                 |  Actual Points:
Parent ID:                 |         Points:
 Reviewer:                 |        Sponsor:
---------------------------+-------------------------------------
Changes (by yawning):

 * priority:  High => Medium
 * milestone:  Tor: 0.3.2.x-final => Tor: very long term


Comment:

 > what will be done if quantum computers can compute the private key of
 the ed25519 master pubkey "of the hidden services"

 Migrate to an entirely different HS architecture.

 There is (to my knowledge) no PQ signature algorithm currently that has
 public keys that are suitable for use as addresses.  Regardless, all the
 other crypto would need to use PQ crypto before this even matters in the
 slightest.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22992#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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