In this realm, perhaps https://github.com/warner/magic-wormhole could be used to construct a solution?
Some person has to "initiate" the wormhole and pass the (short) code to the other person -- this could be via some established channel, like "over the phone" (the codes exchanged are only usable once)... -- meejah _______________________________________________ tor-dev mailing list tor-dev@lists.torproject.org https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-dev