Security-enhanced rfid system
OwnerChien Yaw Wong, Da Xing +1inventors
InventorsChien Yaw Wong, Da Xing, Duncan McFarlane
Life of this patent
Estimating the term…
Abstract
The present invention relates to RFID systems. In particular, the invention relates to an RFID system having enhanced security of communication between a tag and a tag reader. In a first aspect of the present invention there is provided an RFID system comprising at least one RFID reader; control means for communicating with an RFID tag by public-key encryption via said reader; at least one RFID tag adapted to encrypt a response to a transmission by a reader using a public-key transmitted to the tag; unauthorised broadcast detection means for detecting a broadcast made by an unauthorised reader; and alert means for providing an alert in the event a broadcast by an unauthorised reader is detected.
Claims32
An RFID system comprising:
- at least one RFID reader;
- control means for communicating with an RFID tag by public-key encryption via said reader;
- at least one RFID tag adapted to encrypt a response to a transmission by a reader using a public-key transmitted to the tag;
- unauthorised broadcast detection means for detecting a broadcast made by an unauthorised reader;
- and
- alert means for providing an alert in the event a broadcast by an unauthorised reader is detected.
(canceled)
(canceled)
Dependencies are inferred from the claim text.