// ntddcdvd.h
typedef struct _DVD_DISK_KEY_DESCRIPTOR {
UCHAR DiskKeyData[2048];
} DVD_DISK_KEY_DESCRIPTOR, *PDVD_DISK_KEY_DESCRIPTOR;
View the official Windows Driver Kit DDI referenceNo description available.
The DVD_DISK_KEY_DESCRIPTOR structure is used in conjunction with the IOCTL_DVD_READ_STRUCTURE request to retrieve a DVD disc key descriptor.
DiskKeyDataPointer to a buffer containing the disc key data obfuscated by the bus key.