If you or a user turns on content protection for a BlackBerry device that is running BlackBerry Device Software version 4.3 or later, you can reset the BlackBerry device password using a BlackBerry Enterprise Server version 4.1 SP5 or later. The BlackBerry Enterprise Solution uses the remote password reset cryptographic protocol to reset the BlackBerry device password when content protection is turned on. The BlackBerry device does not prompt the user for the old BlackBerry device password.
The remote password reset cryptographic protocol is designed to provide the following features:
* permit the BlackBerry device to encrypt the content protection key again with the new password, without the old password being available
* prevent a hardware-based attack on the BlackBerry device from recovering the content protection key without knowing either the BlackBerry device password or the IT policy private key that the BlackBerry Enterprise Server generates for the BlackBerry device
* prevent the BlackBerry Enterprise Server from accessing any data that a potentially malicious user could use to recover the content protection key
To reset the BlackBerry device password, you send the Specify new device password and lock device IT administration command to the BlackBerry device. You should send the IT administration command to a content-protected BlackBerry device that is in the possession of the BlackBerry device user only. If you send the IT administration command to a BlackBerry device that is in the possession of a potentially malicious user, that user can use a hardware-based attack to recover the key pair that the BlackBerry device created when it received the IT policy. The potentially malicious user can use the key pair to decrypt all the data on the BlackBerry device.
* Process flow: Resetting a BlackBerry device password when content protection is turned on
Proceed on this link : ID PASSWORD RESET
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