Read locking of an RFID tag

Methods, systems, and apparatuses for preventing unauthorized reading of data stored in tags are described. A non-identifying bit pattern, an identifying bit pattern, and a first passcode are stored in the tag. A read lock command is received by the tag. The tag determines whether a second passcode...

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Bibliographische Detailangaben
Hauptverfasser:	BAIR CHUN-HUEI, WHITE JOSEPH, DRAGO RANDALL ALLEN, SUN MING-HAO, ROSHAN-AFSHAR OMID, HOCKEY THEODORE, PFEIFER JONATHAN
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CHECKING-DEVICES COIN-FREED OR LIKE APPARATUS COMPUTING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS HANDLING RECORD CARRIERS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS REGULATING SELECTING SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	Methods, systems, and apparatuses for preventing unauthorized reading of data stored in tags are described. A non-identifying bit pattern, an identifying bit pattern, and a first passcode are stored in the tag. A read lock command is received by the tag. The tag determines whether a second passcode associated with the read lock command matches the first passcode. Read access to the identifying bit pattern is disabled if it is determined that the second passcode matches the first passcode.