Dumping hashes for Syskey startup password

I know how to dump or acquire login password hashes from the SAM/System hives. What I'd like to dump are hashes from the startup password that's set when a user runs Syskey from within Win 7/8, as referenced at SysKey - Set Startup Password to Lock or Unlock Windows - Windows 7 Help Forums (http://www.sevenforums.com/tutorials/243880-syskey-set-startup-password-lock-unlock-windows.html). I...