A friend sent me this ... in addition to a few chuckles I actually got a good understanding of AES: Moserware: A Stick Figure Guide to the Advanced Encryption Standard (AES)

For us BES Admins, we should definitely know 3DES / AES.

Here are three KB articles that give you just that little bit of valuable insight into encryption key data within the BlackBerry Enterprise Solution ...

KB04725 - Identifying BlackBerry smartphone encryption method
KB05429 - Recommendation on the use of Triple DES or AES for BlackBerry transport
KB12821 - Change the encryption method on the BlackBerry Enterprise Server

If you want to see the actual keys, take a look at the UserConfig table in your BlackBerry...