struct _CM_KEY_SECURITY {
unsigned short Signature;/* 0x0 2 */
unsigned short Reserved;/* 0x2 2 */
unsigned long Flink;/* 0x4 4 */
unsigned long Blink;/* 0x8 4 */
unsigned long ReferenceCount;/* 0xc 4 */
unsigned long DescriptorLength;/* 0x10 4 */
};