A novel SM4 cryptographic architecture against higher order power analysis attacks
Nengyuan Sun,
Wenrui Liu,
Jiafeng Cheng
et al.
Abstract:In this letter, a novel secret merchant‐4 (SM4) cryptographic circuit implementation is proposed against higher order power analysis attacks (PAAs). Four different random number generators (RNGs) are embedded into the SM4 architecture for breaking the correlation between the processed data and monitored power dissipation against PAAs. Firstly, fake keys are created by the first RNG to scramble the critical information related with the actual secret key. Furthermore, the second RNG controls the implementations … Show more
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