Tarsnap: Online backups for the truly paranoid

Colin Percival's program 'tarsnap' to be used as a part of Tarsnap. Tarsnap
is an online snapshotted backup service featuring client-side encryption
and deduplication.

Please note that this is only the client. In order to use tarsnap you must
subscribe to the service. Please visit https://tarsnap.com for further details.