Method and apparatus for masking cryptographic operations

Details Method and apparatus for masking cryptographic operations Method and apparatus for masking cryptographic operations

G - Physics

06

F

G06F 21/02 (2006.01) G06F 7/72 (2006.01) G06K 19/073 (2006.01) H04L 9/30 (2006.01)

Patent

CA 2259089

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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