28 Sep
                
                    2018
                
            
            
                28 Sep
                
                '18
                
            
            
            
        
    
                4:51 a.m.
            
        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