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My understanding of Tor is that proxy keys are shared in a gossip network, and that without access to that gossip network you're vulnerable to being sybil attac
by aakilfernandes 7y ago
My understanding of Tor is that proxy keys are shared in a gossip network, and that without access to that gossip network you're vulnerable to being sybil attacked. How does Lightnion solve this? Or am I misunderstanding Tor?
- plcp 7y agoThere's a consensus made on the global state of the Tor network made between several well-known parties: just as a regular Tor client, Lighnion downloads the consensus document, parses it, validates its signatures and perform a path selection algorithm on it. It's several megabytes to downloaded by the Javascript client (itself being few kilobytes) and is currently a limitation of the protocol. If the "walking onions" proposal gets maintstream (i.e. private retrieval of a consensus subset), we can hope for improvements (see https://gitweb.torproject.org/torspec.git/tree/proposals/300-walking-onions.txt https://gitweb.torproject.org/torspec.git/tree/proposals/300...).