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Secure and efficient elliptic curve cryptography resists side-channel attacks
Pages: 660-665
Year: Issue:  3
Journal: Journal of Systems Engineering and Electronics

Keyword:  elliptic curve cryptography side channel attack simple power attack differential power attack refinedpower analysis zero-point power analysis;
Abstract: An embedded cryptosystem needs higher reconfiguration capability and security. After analyzing the newly emerging side-channel attacks on elliptic curve cryptosystem (ECC), an efficient fractional width-w NAF (FWNAF) algorithm is proposed to secure ECC scalar multiplication from these attacks. This algorithm adopts the fractional window method and probabilistic SPA scheme to recondigure the pre-computed table, and it allows designers to make a dynamic configuration on pre-computed table. And then, it is enhanced to resist SPA, DPA, RPA and ZPA attacks by using the random masking method. Compared with the WBRIP and EBRIP methods, our proposals has the lowest total computation cost and reduce the shake phenomenon due to sharp fluctuation on computation performance.
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