Regular 2
w
-ary right-to-left exponentiation algorithm with very efficient DPA and FA countermeasures |
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Authors: | Yoo-Jin Baek |
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Affiliation: | 1. Samsung Electronics, Yongin-City, Gyeonggi-Do, South Korea
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Abstract: | With the growing demand of efficient cryptosystems, their secure implementations against various side-channel attacks and
the fault attack are also requested from the practice. Several countermeasures are proposed so far, and this paper proposes
a new regular 2
w
-ary right-to-left exponentiation algorithm, which can be equipped with very efficient DPA (differential power attack) and
FA (fault attack) countermeasures. Since its regular behavior clearly prevents the simple power analysis attack, the new algorithm
gives a strong resistance to all the well-known major implementation attacks. This paper also gives a variant of the new algorithm
for securely implementing the RSA cryptosystem with CRT (Chinese Remainder Theorem). |
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Keywords: | |
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