Fingerprinting RFID Tags

Fingerprinting RFID Tags

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Radio frequency identification (RFID) tags are low-cost devices that are used to uniquely identify the objects to which they are attached. Due to the low cost and size that is driving the technology, a tag has limited computational capabilities and resources. This limitation makes the implementation of conventional security protocols to prevent cloning and counterfeiting inefficient. We have uniquely fingerprinted RFID tags based upon the minimum power response of the tag measured at multiple frequencies. The fingerprint can be used effectively to identify the tags in the future with high probability and to detect counterfeit tags. This mechanism does not increase the cost of the RED tags because it is independent of the computational capabilities and resources of the RFID tag.However, this system will only work when both the original and cloned tags are present in the system at the same time. ... which are used widely in SpeedPassTM payment systems and vehicle immobilizer systems. These RFID devices known as Digital Signature Transponder are manufactured by Texas Instruments, who use their proprietary and secret ... and with the knowledge of rough published schematic, they reverse engineered the complete functional details of the algorithm.

Title:Fingerprinting RFID Tags
Publisher:ProQuest - 2007

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