Method of generating random number using nonvolatile memory in two-track scheme and apparatus for the same
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United States of America Patent
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Mar 3, 2015
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app pub date -
Aug 27, 2012
filing date -
Apr 23, 2012
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Abstract
A method of generating a random number using nonvolatile memory and an apparatus for the same are provided. The method of generating a random number includes reading random number state information from nonvolatile memory when power is supplied; updating the random number state of a random number generator using the random number state information and a saving entropy source, thereby producing updated random number state information; storing the updated random number state information in the nonvolatile memory; updating a random number state of the random number generator using the updated random number state information and a generating entropy source, thereby producing a generating random number state information; and producing a random number to be used in an application program using the generating random number state information and the generating entropy source.
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