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Cryptographic substitution boxes (S-boxes) are an integral part of the Advanced Encryption Standard (AES). In this paper we conducted a simulation-based correlation power analysis (CPA) attack on AES imple- mentations with different S-box structures. It shows that the abilities of AES and S-boxes to secure against CPA attack are correlated, and an evaluation of the ability of S-boxes to thwart CPA...
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