The apparatus 7, wherein the encryption data is generated by selecting {HEAD ~ one byte} from N bytes of the encryption key according to {TAIL ~ values} of predetermined bits of the firmware address information 
The apparatus 7 , wherein the encryption data is generated by selecting { HEAD ~ one byte } from N bytes of the encryption key according to { TAIL ~ values } of predetermined bits of the firmware address information
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH