Thanks to AutoCrypt, available on Mac App Store The application uses the system blowfish to be able to effect the encrypting of the file, one of the most powerful tools to disposition.

The application creates a file riepilogativo, also it criptato, container the whole files that will have been protected from indiscreet eyes, over obviously to the documents themselves.
AutoCrypt, has been besides, from a little adjourned to fully be compatible with Mac OS X Lion including:

Whole screen;
Function of AutoSave;
Function of Resume;
Function Version, to recover the old versions of the documents.