[tor-bugs] #26698 [Core Tor/Tor]: Authorities should put a hash of the bandwidth file in their votes

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

#26698: Authorities should put a hash of the bandwidth file in their votes
------------------------------+------------------------------
     Reporter:  teor          |      Owner:  (none)
         Type:  enhancement   |     Status:  new
     Priority:  Low           |  Milestone:  Tor: unspecified
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  tor-crypto
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+------------------------------
 After #3723 is completed, authorities will list the bandwidth file headers
 in their votes.
 After #21377 is completed, they will make bandwidth files available at a
 standard URL.

 But if we want to cryptographically verify the exact bandwidth file that
 was used in a vote, we need to put a hash of the file in the vote. Let's
 do it in an extensible way:

 bandwidth-file hash-algo base64(hash(bandwidth-file-content))

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26698>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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