Tamper-resistant method and data processing system using the same
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United States of America Patent
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Nov 15, 2005
Grant Date -
Oct 30, 2003
app pub date -
Mar 26, 2003
filing date -
Apr 29, 2002
priority date (Note) -
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Abstract
A tamper-resistant method for preventing tampering using a glitch attack and a data processing system using the same are provided. The method includes reading out a first data from a region of the memory assigned by an address; reading out a second data from the region of the memory assigned by the address; determining whether the first data is identical to the second data; and fetching by the processor either one of the first and second data when the first data is identical to the second data.
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