Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
This section applies only to Windows Server 2003 with SP1 and later, and Windows XP with SP2 and later.
COPP provides a mechanism of applying copy protection to video that is output by the graphics adapter. COPP provides a common protocol for sending various link-protection requirements to the graphics adapter in a more protected fashion than by using the IOCTL_VIDEO_HANDLE_VIDEOPARAMETERS I/O control (IOCTL) code.
The following topics describe COPP:
Cryptographic Primitives Used by COPP