Sigang Bao

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SMS4 is the first official released commercial cryptographic algorithm. It provides unified standards for designing and using local area wireless network product. The general DPA attack is not suitable for SMS4 owing to the ample random diffusion of the round output. This article proposed a new power analysis method for SMS4 to reduce the diffusion by(More)
PRINT cipher is a lightweight block ciphers dedicated to integrated circuit (IC) printing, proposed by Lars Knudsen et al. at CHES 2010. Interestingly, PRINT cipher discards the key schedule part and keeps all its round keys identical. This unconventional design guarantees its modest space requirement. In this paper, however, we will show how to make use of(More)
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