Sends the specified key to a DVD device -to complete the related step in an authentication sequence. The IOCTL_DVD_SEND_KEY2 request has write access to the device and can send a broader range of key types than IOCTL_DVD_SEND_KEY.
The buffer at Irp->AssociatedIrp.SystemBuffer contains a DVD_COPY_PROTECT_KEY structure that indicates the session ID, key type, and key to be sent to the device.
Input Buffer Length
Length of a DVD_COPY_PROTECT_KEY.
Output Buffer Length
The Information field is set to zero. The Status field is set to STATUS_SUCCESS, or possibly to STATUS_INSUFFICIENT_RESOURCES.
|Header||ntddcdvd.h (include Ntddcdvd.h)|