[tor-relays] Circuit ID assignment

nusenu nusenu-lists at riseup.net
Tue Oct 9 22:24:00 UTC 2018


Hi Gabbi,

Gabbi Fisher:
> Hi all,
> 
> I wanted to learn more about how Tor circuit IDs work. Correct me if I'm
> wrong, but this is my current understanding:
> 
> Each hop along the Tor network has its own circuit ID number. (No universal
> circuit ID number is used to identify a ip-to-ip stream of traffic). How
> are the circuit ID numbers determined at each hop? What generates the
> circuit ID number given to a packet?

maybe the tor-spec can help here:
https://gitweb.torproject.org/torspec.git/tree/tor-spec.txt#n937

if it doesn't, the tor-dev ML might be a better place.

kind regards,
nusenu
-- 
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