RadioFrequencyIdentification(RFID)isatechnologythatallowsautomaticidentificationanddatacapturebyusingradiofrequencies.In2006,Osakaetal.proposedaRFIDsecuritymethodbasedonahashfunctionandasymmetrickeycryptosystem.Osakaetal.claimedthattheirproposedRFIDsecuritymethodachievesthefollowing