AUTHENTICATION TAG, DEVICE, SYSTEM AND METHOD
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United States of America Patent
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Jul 24, 2017
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Jul 27, 2016
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Abstract
The invention discloses an authentication system of objects, physical or virtual, comprising an authentication mark and, as an option, an authentication message, generated by an authentication device and controlled by a verification/decoding device in combination with an authentication server managed by an authenticating authority. The authentication mark in the tag/message may comprise GNSS RF raw signals and/or GNSS raw data. The authentication mark comprises data and may be formatted, for example, in a bitstream, a data stream, a QRCode, an RFID tag or an NFC tag. The authentication server is configured to cause a GNSS signals simulator to reproduce the GNSS RF raw signals and/or GNSS raw data at the location and time interval of production of the object and to compare the results of the simulation to the authentication mark comprising data received directly from the authentication device or received from a verification device and issue a validation, a denial or a doubt from the comparison.
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