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Re: [tor-bugs] #21615 [Metrics/Atlas]: Use hashed fingerprint in all lookups



#21615: Use hashed fingerprint in all lookups
---------------------------+-----------------------------------
 Reporter:  cypherpunks    |          Owner:  irl
     Type:  enhancement    |         Status:  needs_information
 Priority:  Medium         |      Milestone:
Component:  Metrics/Atlas  |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:                 |  Actual Points:
Parent ID:                 |         Points:
 Reviewer:                 |        Sponsor:
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Comment (by irl):

 Ok, I see the inconsistency now. The search page, when fetching the
 details documents, isn't hashing but the details page is regardless of
 whether or not the fingerprint has already been hashed.

 So, to add to the examples of what is happening, I have two bridges that
 with the following search will do lookups for details documents of the
 hashed fingerprint but when going to the details pages, the hashed
 fingerprint will be hashed once more.

 https://atlas.torproject.org/#search/irlDn42

 The hashed fingerprints are already leaked in the search step, so either
 this is a defect in that we're leaking hashed fingerprints that need to be
 hashed again or there is an enhancement to be had in removing the re-
 hashing when fetching the details documents for the details pages.

 Currently, by the time we get to the details pages we've already leaked
 the hashed fingerprint for the bridge.

 karsten: I guess the question is, how many times do we need to hash the
 fingerprint?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21615#comment:5>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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