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Title:
RANDOM NUMBER GENERATOR
Document Type and Number:
Japanese Patent JP2022126584
Kind Code:
A
Abstract:
To provide a random number generator and a random number generating method.SOLUTION: A random number generator includes a first stage generator and a second stage generator. The first stage generator outputs a first random number at a first time point and a second random number at a second time point. The second stage generator generates a final output at least according to the first random number. More particularly, the second stage generator includes a reseed circuit for generating a reseed signal, and controls whether to generate a final output according to the second random number. In addition, when the second stage generator generates the final output at a current data cycle without using the second random number, the first stage generator holds the second random number for generating the final output at a next data cycle.SELECTED DRAWING: Figure 2

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Inventors:
YOU CHUN-HENG
SHAO CHI-YI
CHUANG KAI-HSIN
WU MENG YI
Application Number:
JP2021195812A
Publication Date:
August 30, 2022
Filing Date:
December 02, 2021
Export Citation:
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Assignee:
PUFSECURITY CORP
International Classes:
G06F7/58; G09C1/00
Domestic Patent References:
JP2002278749A2002-09-27
JP2019192220A2019-10-31
Foreign References:
EP3709157A12020-09-16
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Osamu Miyazaki



 
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