This article applies to the following:
Data sent between a BlackBerry device and the BlackBerry Enterprise Server™ is encrypted using Triple DES (Date Encryption Standard) or AES (Advanced Encrption Standard). This is performed automatically and does not require application implementation to use it.
There are cases where encrypting data can be required, such as secure communication with an external application using the BlackBerry Mobile Data Server. Communication between the BlackBerry and BlackBerry Mobile Data Server would be automatically encrypted but communication between the BlackBerry Mobile Data Server and an application server would not unless implemented in the BlackBerry application.
Note: The BlackBerry supports https, tls and ssl for secure communication beyond the BlackBerry Mobile Data Server.
The following is an example of how to utilize basic encryption using AES on the BlackBerry: