Method and apparatus for minimizing differential power attacks on processors
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United States of America Patent
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Aug 15, 2006
Grant Date -
Mar 7, 2002
app pub date -
Jul 10, 2001
filing date -
Jan 11, 1999
priority date (Note) -
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Abstract
A method of masking a cryptographic operation using a secret value, comprising the steps of dividing the secret value into a plurality of parts; combining with each part a random value to derive a new part such that the new parts when combined are equivalent to the original secret value; and utilizing each of the individual parts in the operation.
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