[tor-bugs] #18221 [Tor]: Validate our DH parameters to prevent socat-type fails.

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

#18221: Validate our DH parameters to prevent socat-type fails.
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     Reporter:  yawning      |      Owner:
         Type:  enhancement  |     Status:  new
     Priority:  Medium       |  Milestone:  Tor: 0.2.8.x-final
    Component:  Tor          |    Version:  Tor: unspecified
     Severity:  Normal       |   Keywords:  tor-core crypto
Actual Points:               |  Parent ID:
       Points:               |    Sponsor:
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 http://www.openwall.com/lists/oss-security/2016/02/01/4

 Was stupid and is easily avoided.  While we use hard coded known good
 primes taken from sensible locations, the code should validate the
 parameters used as a defense in depth measure.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18221>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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