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[tor-bugs] #30092 [Core Tor/Tor]: Add a probability-to-apply field for circuitpadidng machines
#30092: Add a probability-to-apply field for circuitpadidng machines
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Reporter: | Owner: (none)
mikeperry |
Type: | Status: new
enhancement |
Priority: Medium | Milestone:
Component: Core | Version:
Tor/Tor | Keywords: wtf-pad, tor-relay, tor-cell,
Severity: Normal | padding, 041-proposed
Actual Points: | Parent ID:
Points: 2 | Reviewer:
Sponsor: |
Sponsor2-can |
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In #28634, we realized that we may want to make some fraction of pre-built
GENERAL and HS_VANGUARDS circuits look like padded onion service circuits,
as a defense in depth against a classifier that can still recognize our
specially padded onion service circuits as, well, special, and still
interesting.
But we don't want to make all general circuits look this way. Just some
fraction. So it would be nice if the machine conditions could somehow toss
a coin to decide to apply the machine to a circuit. Unfortunately, right
now the conditions are memoryless, so we have nothing that can say "you
already tossed the coin", but we could special case just this to have a
flag on the circuit or something.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30092>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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