[tor-bugs] #17242 [Tor]: Implement client and service support for proposal 224

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#17242: Implement client and service support for proposal 224
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 Reporter:  dgoulet      |          Owner:
     Type:  enhancement  |         Status:  new
 Priority:  Medium       |      Milestone:  Tor: 0.2.???
Component:  Tor          |        Version:
 Severity:  Normal       |     Resolution:
 Keywords:  tor-hs       |  Actual Points:
Parent ID:  #12424       |         Points:  large
  Sponsor:               |
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Comment (by teor):

 Replying to [comment:3 teor]:
 > When we encrypt the descriptor, we use a random salt.
 > I wonder if we could use a different salt for each replica/spread.

 dgoulet just mentioned on IRC that an adversary could track service intro
 point changes by watching how often the encrypted blob changed.

 Let's use a different salt every time we repost the blob to avoid this.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17242#comment:4>
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