I tried it for a few days to sync my main laptop with my netbook. Could not find any info on how it works and stopped using it. How does it generate keys? How d

I tried it for a few days to sync my main laptop with my netbook. Could not find any info on how it works and stopped using it. How does it generate keys? How does it sync? How can i be sure nobody is reading my files somewhere else? Back to rsync I guess, though the two way sync with syncapp was rly nice.