Improving the Performance of CPA Attacks for Ciphers Using Parallel Implementation of S-Boxes
Fu Yao,
Yongzhuang Wei,
Hua Chen
et al.
Abstract:Since their introduction in early 2000, CPA (correlation power analysis), as a cryptographic tool, has been widely used in the cryptanalysis of cryptographic algorithms (being applicable to both symmetric key ciphers as well as to public key encryption schemes). An application of the classical CPA method, along with its variants, to cryptographic algorithms that use parallel implementation of its substitution boxes (S-boxes) commonly requires more power traces to extract the secret key compared to the case whe… Show more
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