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Sequences with nice pseudo-randomness play an important role in not only communication system but also cryptography system. Based on the Legendre-Sidelnikov sequence, a modified Legendre-Sidelnikov sequence was introduced. The exact value of the autocorrelation function was derived by strict computation. According to the values of the autocorrelation functions of the two Legendre-Sidelnikov sequences,...
Power analysis has been a powerful and thoroughly studied threat for implementations of block ciphers and public key algorithms but not yet for stream ciphers. Based on the consumed power differences between two neighboring clock cycles, this paper presents a correlation power analysis (CPA) attack on the synchronous stream cipher DECIM v2 (the tweaked version of the original submission DECIM)...
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