Encryption for modulated backscatter systems

Communications: electrical – Continuously variable indicating – With meter reading

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34082554, 34082531, 455 382, 380 23, 3802161H, 3802232N, H04B 140

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active

061306231

ABSTRACT:
A tag and an interrogator exchange proprietary information using Modulated BackScatter (MBS) technology. A method for encrypting the RFID user's PIN and thereby making the interception and the subsequent illegal use of RFID accounts at least as difficult as a present day ATM cards. For example, the encryption method can be based upon the US Digital Encryption Standard (DES), either first or third level. The Tag's personal encryption key is only known by the financial database and the RFID Tag. This method can be applied to any type of financial, debt, identification, or credit card.

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"A Coded Radar Reflector For Remote Identification of Personnel and Vehicles," Frank R. Williamson, Lacey F. Moore, Ralph Brooks, Julie Anne Williamson, and Melvin C. McGee, Record of the 1993 IEEE National Radar Conference, Lynnfield, MA, USA, Apr. 20-22, 1993, ISBN 0-7803-0934-0, pp. 186-191.
"A Microwave Noncontact Identification Transponder Using Subharmonic Interrogation," Carol W. Pobanz, 8099 IEEE Transactions on Microwave Theory and Techniques, 43 (1995), July, No. 7, PT. II, New York, US, pp. 1673-1679.
"A Coded Radar Reflector For Remote Identification of Personnel and Vehicles," Frank R. Williamson, Lacey F. Moore, Ralph Brooks, Julie Anne Williamson, and Melvin C. McGee, Record of the 1993 IEEE National Radar Conference, Lynnfield, MA, USA, Apr. 20-22, 1993, ISBN 0-7803-0934-0, pp. 186-191.
"Microwave Noncontact Identification Transponder Subharmonic Interrogation," Carol W. Pobanz, 8099 IEEE Transactions on Microwave Theory and Techniques, 43 (1995), July, No. 7, PT. II, New York, US, pp. 1673-1679.
"A Coded Radar Reflector For Remote Identification of Personnel and Vehicles," Frank R. Williamson, Lacey F. Moore, Ralph Brooks, Julie Anne Williamson, and Melvin C. McGee, Record of the 1993 IEEE National Radar Conference, Lynnfield, MA, USA, Apr. 20-22, 1993, ISBN 0-7803-0934-0, pp. 186-191.
"A Microwave Noncontact Identification Transponder Using Subharmonic Interrogation," Carol W. Pobanz, 8099 IEEE Transactions on Microwave Theory and Techniques, 43 (1995), July, No. 7, PT. II, New York, US, pp. 1673-1679.
"A Coded Radar Reflector For Remote Identification of Personnel and Vehicles," Frank R. Williamson, Lacey F. Moore, Ralph Brooks, Julie Anne Williamson, and Melvin C. McGee, Record of the 1993 IEEE National Radar Conference, Lynnfield, MA, Apr. 20-22, 1993, ISBN 0-7803-0934-0, pp. 186-191.

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