Generalized Scalar Multiplication Secure against SPA, DPA, and RPA
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概要
- 論文の詳細を見る
In the execution on a smart card, elliptic curve cryptosystems have to be secure against side channel attacks such as the simple power analysis (SPA), the differential power analysis (DPA), and the refined power analysis (RPA), and so on. MMM-algorithm proposed by Mamiya, Miyaji, and Morimoto is a scalar multiplication algorithm secure against SPA, DPA, and RPA, which can decrease the computational complexity by increasing the size of a pre-computed table. However, it provides only 4 different cases of pre-computed tables. From the practical point of view, a wider range of time-memory tradeoffs is usually desired. This paper generalizes MMM-algorithm to improve the flexibility of tables as well as the computational complexity. Our improved algorithm is secure, efficient and flexible for the storage size.
- 電子情報通信学会の論文
- 2008-10-01
著者
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MIYAJI Atsuko
Japan Advanced Institute of Science and Technology
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Miyaji Atsuko
Japan Advanced Inst. Of Sci. And Technol. Ishikawa‐ken Jpn
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