[tor-bugs] #5565 [Tor Relay]: MyFamily should provide an alternate non-idhex subscription mechanism

Tor Bug Tracker & Wiki torproject-admin at torproject.org
Wed Apr 4 04:37:42 UTC 2012


#5565: MyFamily should provide an alternate non-idhex subscription mechanism
-------------------------+--------------------------------------------------
 Reporter:  mikeperry    |          Owner:                    
     Type:  enhancement  |         Status:  new               
 Priority:  normal       |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor Relay    |        Version:                    
 Keywords:               |         Parent:  #5563             
   Points:               |   Actualpoints:                    
-------------------------+--------------------------------------------------

Comment(by nickm):

 Hm. Would there be a limit of declaring yourself to be in just one family?
 Currently, routers are in families on a pairwise basis: A and B are in the
 same family iff A says "MyFamily ...B..." and B says "MyFamily A."  This
 allows each router to potentially be in any number of families.

 I think that if you let nodes declare themselves to be in families, you
 need to limit how many they can be in.  Otherwise, I can declare routers
 X,Y, and Z to be in all the families, and routers A,B,and C to be in no
 families.  Any path that then gets built with X,Y, or Z  is unusually
 likely to contain A,B,or C later in it.

 If you can only declare one family?  Hm. I'll try to brainstorm attacks a
 little more there when I wake up.  Right now I am not thinking of anything
 epic.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5565#comment:4>
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