Read authentication method and system for securing data...

Details Read authentication method and system for securing data... Read authentication method and system for securing data...

2007-05-11

2009-06-02

Pham, Toan N (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572400, C340S010100, C340S010500

Reexamination Certificate

active

07541929

ABSTRACT:
A system and method for limiting the reading out of data from an RFID tag by requiring a reader of the tag to be authenticated by providing the correct key to the tag, static or rotating, before the tag will transmit data. The limitation of transmission is done irrespective of whether the data is encrypted or not. The system and method may have a segmented or tiered access scheme where segments or portions of the data stored in the RFID tag are accessible by differing keys. Additionally, different encryption keys or schemes may be employed to provide differing encryption methods for the data in the differing segments or portions of the data stored in the RFID tag.

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