Blackberry ENTERPRISE SOLUTION ENFORCING Manuale - Pagina 5

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Enforcing encryption of internal and external file systems on BlackBerry devices

Data that BlackBerry devices encrypt by default

The BlackBerry® Enterprise Solution encrypts data traffic in transit between the BlackBerry® Enterprise Server

and the BlackBerry devices automatically. By default, the BlackBerry Enterprise Solution generates the master

encryption key and message key that the BlackBerry Enterprise Server and BlackBerry devices use to encrypt and

decrypt all data traffic between them.

For more information about how the BlackBerry Enterprise Solution encrypts data traffic in transit, see the

BlackBerry Enterprise Solution Security Technical Overview.

System requirements for file encryption on BlackBerry devices

Internal files

Java® based BlackBerry devices

that run BlackBerry® Device

Software Version 4.0 or later

Using encryption to protect stored files on BlackBerry devices

You can configure the following options on the BlackBerry Enterprise Server to turn on encryption of stored files

on supported BlackBerry devices.

Internal files

To require BlackBerry devices on

the organization's BlackBerry

Enterprise Servers to encrypt user

and application data that the

BlackBerry devices store in

internal memory using content

protection, turn on the content

protection process on BlackBerry

devices using the Content

Protection Strength IT policy rule

in the BlackBerry Manager.

External files

•

BlackBerry Enterprise Server

Version 4.0 SP6 or later

•

Java based BlackBerry devices

that support external file

storage using a media card

(BlackBerry devices that run

BlackBerry Device Software

Version 4.2 or later)

External files

To require BlackBerry devices to

encrypt files stored on media

cards, turn on encryption on the

external memory cards using the

External File System Encryption

Level IT policy rule.

www.blackberry.com

Master encryption keys

•

BlackBerry Enterprise Server

Version 4.0 SP3 or later

•

Java based BlackBerry devices

that run BlackBerry Device

Software Version 4.1 or later

Master encryption keys

To require BlackBerry devices to

encrypt the master encryption

keys that they use to encrypt data

stored in internal file systems, set

the Force Content Protection of

Master Keys IT policy rule.

Note: When you turn on content

protection of master encryption

keys, the BlackBerry device uses

the same encryption key strength

that it uses to encrypt internal file

systems when encrypting the

master encryption keys.