[tor-bugs] #22205 [Applications/Tor Browser Sandbox]: Figure out how to fix `crypto/tls`.

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#22205: Figure out how to fix `crypto/tls`.
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     Reporter:  yawning                           |      Owner:  yawning
         Type:  defect                            |     Status:  new
     Priority:  Medium                            |  Milestone:
    Component:  Applications/Tor Browser Sandbox  |    Version:
     Severity:  Normal                            |   Keywords:
Actual Points:                                    |  Parent ID:
       Points:                                    |   Reviewer:
      Sponsor:                                    |
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 Most of the Go crypto isn't constant time.  I'm not sure if this matters
 for the install/version check/update and validation mechanisms, but if
 there is an easy way to fix this problem, it would be the sensible thing
 to do.

 The status as of today is:

  * RSA - Vartime.
  * ECC - X25519/P-224/P-256 constant time.
  * AES - Vartime unless there is AES-NI.
  * GHASH - Vartime unless there is PCLMULQDQ (AES-NI).
  * Poly1305/ChaCha20 - Constant time.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22205>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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