3 ms·TrueCrypt would work too - it has block level encryption and Drobox syncs on block level too.by CCs 13y agoTrueCrypt would work too - it has block level encryption and Drobox syncs on block level too.bigiain 13y agoHmmm, I wonder if TrueCrypt adequately secures a hidden volume's existence from an attacker (Dropbox) who can watch the patterns of your block level writes?CCs 13y agoIt's content encryption app, not Rubberhose File System or similar.