| 摘要 |
An RFID(Radio Frequency IDentification) tag, and a system and a method for protecting RFID privacy are provided to protect RFID tag information by transmitting a real RFID to only the RFID reader authenticated based on a pseudo ID. A tag storing part(540) stores the pseudo ID used for authenticating the RFID reader. A determiner(530) determines whether the stored pseudo ID is matched with the pseudo ID generated by using a received key in case that the key is received in response to the pseudo ID transmitted by an information transmission request signal of the RFID reader. A tag controller(520) transmits the RFID of the tag to the RFID reader through a transmitter(550) in case that the stored pseudo ID is matched with the generated pseudo ID. The tag storing part stores a common pseudo ID generated by using a common key of an RFID privacy protection system.
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