A method and device for generating full-entropy random numbers based on flash memory
A random number and flash memory technology, applied in the field of generating full-entropy random numbers based on flash memory, to achieve the effect of reducing usage conditions and costs
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[0055] Hereinafter, the present invention will be further described in detail with reference to the drawings and embodiments.
[0056] This embodiment provides a method for generating random numbers based on Nand Flash, and after further verification, a random number with full entropy is obtained. image 3 It is the overall flow chart of the method. The method uses the tunnel oxide thickness determined by the different production processes of the Nand Flash chip, the physical organization structure of the memory cell, and the random electronic noise generated during the programming and erasing operation of the Nand Flash memory cell to change the When programming or erasing parameters of a specific memory cell of Nand Flash, use partial programming, partial erasing, or repeated programming to extract data, process the data, and output it as a random number. Experiments have verified that the extracted random numbers have the nature of full entropy. The method for Nand Flash to ex...
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