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