Encryption when forwarding between indirectly-connected hosts

Frank Myhr fmyhr at larkmoor.net
Mon Nov 25 00:21:03 CET 2019


Hi,

If host B is not directly reachable from host A so that tinc packets flow:
	A -> (C) -> B
where C is a 3rd host that both A and B can reach, which public key does 
A use when sending these packets to B? C's public key, or B's public 
key? In other words, are these packets encrypted hop-by-hop, or 
end-to-end? Does it make a difference whether legacy or SPTPS protocol 
is being used?

Thanks,
Frank


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