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