[tor-bugs] #11448 [Tor]: Dirauths must support multiple relay identity keys at once

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

#11448: Dirauths must support multiple relay identity keys at once
----------------------+------------------------------------
 Reporter:  rransom   |          Owner:
     Type:  defect    |         Status:  new
 Priority:  critical  |      Milestone:  Tor: 0.2.6.x-final
Component:  Tor       |        Version:
 Keywords:  tor-auth  |  Actual Points:
Parent ID:            |         Points:
----------------------+------------------------------------
 As discussed on [https://blog.torproject.org/blog/openssl-bug-
 cve-2014-0160], directory authorities must rotate their relay identity
 keys in order to recover from possible exposure due to the âHeartbleedâ
 bug.  (A dirauth's relay identity key could be used by a MITM attacker to
 feed clients an outdated consensus, for example.)

 There are two requirements in order to do this without causing a network
 meltdown:
  * A dirauth must be able to sign relay descriptors using multiple relay
 identity keys at once.
  * A dirauth must be able to operate multiple ORPorts at once, with
 (possibly) different relay identity keys.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/11448>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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