Efficient Scalar Multiplication on Koblitz Curves with Pre-computation
Information Security(2022)
摘要
Scalar multiplication is the basic operation in elliptic curve cryptography. The double-base number system (DBNS) is an effective tool for speeding up scalar multiplication on elliptic curves. This paper proposes a novel decomposition algorithm for scalar n based on the specific double bases
$$(\overline{\tau },\tau )$$
instead of the ordinary window
$$\tau $$
-NAF. On
$$\mu _{4}$$
-Koblitz curves, we evaluate the cost of our scalar multiplication method and compare it to related work. We also consider scalar multiplication using LD coordinates. Experiment results show that
$$\mu _{4}$$
-Koblitz curves perform well.
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关键词
Elliptic curve cryptography, Scalar multiplication, Koblitz curves, Double-base number system, Width-
-NAF
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