RFID tag with random number generator having a noise-based input
First Claim
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1. A random number generator for an RFID tag circuit, comprising:
- a noise-controlled component that comprises a noise source circuit that outputs a noise-based signal, and a digitizer operable to generate random numbers from the noise-based signal.
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Abstract
A random number generator for an RFID tag is described. In one such embodiment the random number generator includes a noise-controlled component comprising a noise source circuit that outputs a noise-based signal operable to generate random numbers from the noise-based signal. The noise-based signal is variable due to noise.
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Citations
34 Claims
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1. A random number generator for an RFID tag circuit, comprising:
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a noise-controlled component that comprises a noise source circuit that outputs a noise-based signal, and a digitizer operable to generate random numbers from the noise-based signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An RFID tag, comprising:
- an integrated circuit which includes a random number generator that comprises;
means for generating a variable noise-based signal that depends on noise; and
means for generating random numbers based on the variable signal. - View Dependent Claims (18, 19, 20, 21)
- an integrated circuit which includes a random number generator that comprises;
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22. A method for an RFID tag, comprising:
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generating a variable noise-based signal that depends on noise; and
generating random numbers based on the variable signal. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification