Method of writing data to a memory device and reading data from the memory device
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United States of America Patent
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Nov 12, 2019
Grant Date -
Jan 11, 2018
app pub date -
Jan 14, 2016
filing date -
Jan 15, 2015
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Abstract
A method of writing data to a memory device and reading data from the memory device includes issuing a challenge to a PUF device during a power-up process in order to derive a PUF response, error correcting the PUF response, providing delinearized addresses via a delinearization algorithm to the memory device using the error corrected PUF response, masking data, which is written to the memory device, via a masking module using the error corrected PUF response, de-masking data, which is read from the memory device, via the masking module (19) using the error corrected PUF response; and performing a check-sum verification of read data such that address delinearization and data masking are used together to obfuscate the memory content.
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