[tor-bugs] #8217 [Obfsproxy]: obfsproxy: obfs2: When deriving padding keys we truncate the shared-secret hash

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#8217: obfsproxy: obfs2: When deriving padding keys we truncate the shared-secret
hash
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 Reporter:  asn        |          Owner:  asn             
     Type:  defect     |         Status:  new             
 Priority:  normal     |      Milestone:                  
Component:  Obfsproxy  |        Version:  Obfsproxy: 0.1.4
 Keywords:             |         Parent:                  
   Points:             |   Actualpoints:                  
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Comment(by asn):

 FWIW, #8223 is another bug on the shared-secret functionality of obfs2.
 I'm not sure if this gives extra points to the "fix the spec" or to the
 "fix C-obfsproxy" direction.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8217#comment:5>
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