| 摘要 |
<p>A radio frequency identification (RFID) tag generates a random number, stores a private key, ID of the RFID tag and a first random number generated in a random number generator in advance, receives ID of an RFID reader from the RFID reader, generates a first message authentication code with respect to the RFID reader ID and time information by using the RFID tag ID as a private key, and encrypts first and second random numbers using the private key. If the RFID tag receives the ID of the RFID reader, the RFID tag transmits the first random number, first message authentication code, ID of the RFID reader, time information, first and second random numbers encrypted with the private key, which are tag identification elements, to the RFID reader. In this case, the RFID tag shares the same message authentication code generating function, private key, RFID tag ID and first random number with the RFID tag authentication server.</p> |
