//0x28 bytes (sizeof)
struct _CM_KEY_SECURITY
{
USHORT Signature; //0x0
USHORT Reserved; //0x2
ULONG Flink; //0x4
ULONG Blink; //0x8
ULONG ReferenceCount; //0xc
ULONG DescriptorLength; //0x10
struct _SECURITY_DESCRIPTOR_RELATIVE Descriptor; //0x14
};