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RANDOM NUMBER GENERATION DEVICE

  • US 20090177725A1
  • Filed: 09/17/2008
  • Published: 07/09/2009
  • Est. Priority Date: 01/08/2008
  • Status: Active Grant
First Claim
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1. A random number generation device comprising:

  • a ring oscillator having at least one set, each set comprising a current noise source and a Schmitt inverter configured to receive an output of the current noise source; and

    a conversion circuit configured to convert output frequency fluctuation of the ring oscillator to a random number and output the random number.

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