On Fri, Mar 30, 2018 at 04:52:23PM -0400, Roger Dingledine wrote:
For obfs4, the active prober doesn't know the secret "cert" parameter,
For far far more detail on the various pluggable transports and how they look on the wire, check out this awesome page that David Fifield put together:
https://trac.torproject.org/projects/tor/wiki/doc/AChildsGardenOfPluggableTr...
--Roger