CPRM/CPPM (Content Protection for Recordable Media and Pre-Recorded Media) is a mechanism for controlling the copying, moving and deletion of digital media on a host device, such as a personal computer, or other digital player.

If you want to copy a CPRM/CPPM encrypted DVD disc, you can use Passkey for DVD to process it first so as to get a clear DVD copy for free playback. Passkey for DVD can decrypt CPRM/CPPM encryption on your DVD on the fly quickly, and it can also deal with other protections like CSS, RC, RCE, APS, UOPs, ARccOS, RipGuard, etc. With Passkey for DVD, you can freely watch any DVD, or use other software to access DVD content for all sorts of manipulation.

How to operate Passkey for DVD to remove CPRM/CPPM? It's terrifically easy. Run Passkey for DVD, insert DVD disc into DVD driver, then decrypting starts.

Seconds later, you can view detailed info about protections removal condition in Info page.

Note: the screenshot above is meant to show you where decryption info is, and the source DVD used is not CPRM/CPPM encrypted since there's no one available at hand, sorry for that.

That's all there is to it about CPRM/CPPM decryption with Passkey for DVD. If you want to learn more, please go to: http://www.passkeysoftware.com/passkey-for-dvd.html