// ntddcdvd.h
typedef struct _AACS_SERIAL_NUMBER {
UCHAR PrerecordedSerialNumber[16];
UCHAR MAC[16];
} AACS_SERIAL_NUMBER, *PAACS_SERIAL_NUMBER;
View the official Windows Driver Kit DDI referenceNo description available.
The AACS_SERIAL_NUMBER structure contains an Advanced Access Content System (AACS) serial number and corresponding message authentication code (MAC).
PrerecordedSerialNumberThe serial number.
MACThe message authentication code (MAC) that the client uses to verify that the serial number is for the current AACS authentication sequence.
Clients retrieve the AACS serial number with an IOCTL_AACS_READ_SERIAL_NUMBER request.