[metrics-bugs] #21378 [Metrics/CollecTor]: Archive bwauth bandwidth files

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#21378: Archive bwauth bandwidth files
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 Reporter:  tom                     |          Owner:  metrics-team
     Type:  enhancement             |         Status:  new
 Priority:  Medium                  |      Milestone:
Component:  Metrics/CollecTor       |        Version:
 Severity:  Normal                  |     Resolution:
 Keywords:  tor-bwauth tor-dirauth  |  Actual Points:
Parent ID:                          |         Points:
 Reviewer:                          |        Sponsor:
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Comment (by juga):

 That's easy to change.
 Now, if human readability is not a concern, then i we might actually want
 to encode it in base 64 instead of hexadecimal. My first PR, would accept
 any digest algorithm (i put SHA-256 as default), and encode by default in
 base 64 (which we might still not want to be the case).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21378#comment:24>
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