6,862,605 True random number generator and entropy calculation device and method
  Issued: March 1, 2005
  Filed: August 15, 2001
  U.S. Class: 708/255
Abstract:  A random number generator includes a first oscillator that provides a first oscillatory signal to a processor, and a second oscillator that provides a signal to a frequency multiplier, which in turn provides a second oscillatory signal to the processor. The relative jitter between the two oscillatory signals contains a calculable amount of entropy that is extracted by the processor to produce a sequence of true random numbers.

Posted by GEN-ERIC at 10:39:30 am into the following categories: Patents of the Day

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