Enforcing encryption of internal and external
file systems on BlackBerry devices
Technical Overview
© 2008 Research In Motion Limited. All rights reserved.
www.blackberry.com
Enforcing encryption of internal and external file systems on BlackBerry devices
Contents
Data that BlackBerry devices encrypt by default ................................................................................................1
System requirements for file encryption on BlackBerry devices....................................................................... 1
Using encryption to protect stored files on BlackBerry devices ....................................................................... 1
IT policy requirements for encryption of stored files on BlackBerry devices................................................. 3
Data that the BlackBerry device can encrypt in internal memory................................................................... 3
Protecting user data stored on a locked BlackBerry device.............................................................................. 4
Turning on protected storage of BlackBerry device data in internal memory........................................... 4
Guidelines for setting the internal memory encryption level....................................................................... 4
Protecting files stored in external memory on the BlackBerry device ............................................................ 4
Setting the external memory encryption level................................................................................................ 5
Turning on external memory encryption.......................................................................................................... 5
Transferring encrypted media files................................................................................................................... 5
Moving the media card to a different BlackBerry device.............................................................................. 5
Controlling access to objects in external memory .........................................................................................6
Protecting master encryption keys on a locked BlackBerry device.................................................................6
© 2008 Research In Motion Limited. All rights reserved.
www.blackberry.com