Encrypted backup on remote host

A friend of mine got his office robbed this weekend and lost important data. This made me realize that i should backup more. I just found duplicity, a "Encrypted bandwidth-efficient backup using the rsync algorithm". It provide a client-side encryption. I do like this because i may want to store this on untrusted servers.

Here is the command line i used:

duplicity --ssh-askpass /full/src/path scp://yourserver//your/full/dest/path