Method for Complete Atomic Blocks for Elliptic Curves in Jacobian Coordinates over Prime Fields Countermeasure for Simple-Side Channel Attacks and C-Safe-Fault Attacks for Right-to-Left Algorithms
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United States of America Patent
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Apr 2, 2015
app pub date -
Oct 2, 2013
filing date -
Oct 2, 2013
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Abandoned
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Abstract
The present invention describes a method which improves the safety aspects of the previously published atomic blocks for the right-to-left case. This method builds new sets of atomic blocks designed to protect against both simple side-channel attacks and C-safe fault attacks for scalar multiplication for elliptic curves over prime fields. In particular, they comprise eliminating the use of dummy operations in the atomic blocks used in the scalar multiplication ([d]P), which are based on elliptic curves defined on fields of prime characteristic.
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