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