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External File System Encryption Level IT policy rule

Description

This rule specifies the level of encryption that a BlackBerry® device uses to encrypt files that it stores on an external file system, such as an external memory device.

Default values

The default value in the Default IT policy is Not required.

The default value in the Advanced security IT policy is Encrypt to user password (excluding multimedia directories).

The default value in all other preconfigured IT policies is a null value.

Usage

You can use this rule to require that a BlackBerry device encrypt an external file system, either including or excluding multimedia directories. You cannot use this rule to encrypt files that a BlackBerry device user transfers to the external memory device manually (for example, from a USB mass storage device).

The external memory device stores the master keys for the media card. A BlackBerry device is designed to use those master keys to decrypt and encrypt files on the external memory device. A BlackBerry device is designed to use the BlackBerry device key, a user-provided password, or both to encrypt the master keys.

Change this rule to Encrypt to User Password (excluding multimedia directories) if the file system requires encryption with a user-provided password.

Change this rule to Encrypt to User Password (including multimedia directories) if the file system requires encryption with a user-provided password.

Change this rule to Encrypt to Device Dey (excluding multimedia directories) if the file system requires encryption with a BlackBerry device key.

Change this rule to Encrypt to Device Key (including multimedia directories) if the file system requires encryption with a BlackBerry device key.

Change this rule to Encrypt to User Password and Device Key (excluding multimedia directories) if the file system requires encryption with a user-provided password and a BlackBerry device key.

Change this rule to Encrypt to User Password and Device Key (including multimedia directories) if the file system requires encryption with a user-provided password and the BlackBerry device key.

Minimum requirements

  • Java® based BlackBerry device
  • BlackBerry® Application Suite version 1.0
  • BlackBerry® Device Software version 4.2
  • BlackBerry® Enterprise Server version 4.0 SP6

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