1. A method of encrypting a file on a computer, said method including: receiving an electronic file at an application on a computer; encrypting said electronic file to form an encrypted electronic file using said application on said computer, wherein said encrypting includes asymmetrically encrypting said electronic file; placing said asymmetrically encrypted electronic file in an electronic .zip file archive; and placing encryption information relating to said asymmetrically encrypted electronic file inside said electronic .zip file, wherein said electronic .zip file archive has been enhanced to allow encryption information relating to said asymmetrically encrypted electronic file to be placed inside said electronic .zip file.
1. A method of encrypting a file on a computer, said method including: receiving an electronic file at an application on a computer; encrypting said electronic file to form an encrypted electronic file using said application on said computer, wherein said encrypting includes asymmetrically encrypting said electronic file; placing said asymmetrically encrypted electronic file in an electronic .zip file archive; and placing encryption information relating to said asymmetrically encrypted electronic file inside said electronic .zip file, wherein said electronic .zip file archive has been enhanced to allow encryption information relating to said asymmetrically encrypted electronic file to be placed inside said electronic .zip file. 5. The method of claim 1 wherein said file is not compressed before encrypting.