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. I understand that the hash is stored in the Security hive, but I haven't found any utilities that can dump this particular hash. Thanks.