Strategies for Double-Base Number Systems against Side Channel Attacks in ECC Scalar Multiplications
Date Issued
2009
Date
2009
Author(s)
Wang, You-Chen
Abstract
In this paper, we review a number of methods to calculate the scalar multiplications, including the DBNS that has been gaining popularity in recent years. We review the side channel attacks that can break the cryptosystems by gaining some side channel information from the physical implementation of the cryptosystems. We propose a new algorithm with three schemes that apply the side channel atomicity using Lopez & Dahab coordinates to avoid the side channel attacks. The new algorithm we provided is about 30% faster than the algorithm previously used with Jacobian coordinates.
Subjects
ECC
scalar multiplication
DBNS
side channel attacks
side channel atomicity
Type
thesis
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