[tor-bugs] #2473 [Tor Relay]: Project: support multiple bridge authorities

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#2473: Project: support multiple bridge authorities
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 Reporter:  arma       |       Owner:                  
     Type:  task       |      Status:  new             
 Priority:  minor      |   Milestone:  Tor: unspecified
Component:  Tor Relay  |     Version:                  
 Keywords:             |      Points:                  
   Parent:             |  
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 The main thing blocking multiple bridge directory authorities right now is
 that we don't have a design for how it would work. For the normal
 directory authority design, we want all of them to know about all relays.
 But for bridge authorities, that would defeat the purpose. So we want some
 algorithms for distributing bridges over authorities, such that bridge
 users know where to go to look up a given bridge (probably as a function
 of its identity fingerprint). Perhaps the algorithm should provide stable
 answers even as we change the set of bridge authorities, and for clients
 and bridges running a variety of Tor versions. More generally, we need to
 figure out what functionality we want and what security properties we
 should shoot for.

 Somebody should start with a proposal, and go from there.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2473>
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