Method and apparatus for storing data on the application layer in mobile devices

摘要

The present embodiments provide a system and methods for encrypting and storing data in a mobile device such as a personal digital assistant. The system includes an access controller and a cryptography manager both coupled to the software applications on the mobile device. The system employs a user specific key to encrypt the user specific data. The encrypted file along with header information is stored below the application layer within the mobile system.