09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0

Believe it or not , these are one of the most search query these days . This a key to all the HD-DVD disk to date . With this you can hack into almost all the HD-DVD disks .

Check this article to know more
http://blog.wired.com/gadgets/2007/02/the_new_hddvdbl.html

AACS, a DRM scheme used to encrypt data on HD-DVD and Blu-Ray disks, would appear to be cracked wide open by that short string of hexadecimal codes, as previously, only disk-specific Volume Keys were compromised. The new hack is the work of Arnezami, a hacker posting at the doom9 forums, fast becoming the front line in the war on DRM.

Proof of concept code for the process key hack is here: http://forum.doom9.org/showthread.php?p=953484#post953484

Implementation for Windows: http://forum.doom9.org/showthread.php?p=953496#post953496

Implementation for OSX: http://forum.doom9.org/showthread.php?p=953516#post953516