[tahoe-lafs-trac-stream] [tahoe-lafs] #2018: padding to hide the size of plaintexts

[tahoe-lafs]

#2018: padding to hide the size of plaintexts
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     Reporter:  zooko    |      Owner:
         Type:           |     Status:  new
  enhancement            |  Milestone:  undecided
     Priority:  normal   |    Version:  1.10.0
    Component:  code-    |   Keywords:  confidentiality privacy compression
  encoding               |  newcaps
   Resolution:           |
Launchpad Bug:           |
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Comment (by leif):

 Is there an advantage to random padding instead of just padding up to some
 fixed interval?

 If someone uploads many different files which are all the exact same size,
 random padding will not stop attackers from inferring what that size is.

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2018#comment:2>
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