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Abstract: S-box is the only nonlinear component in block cipher, and its performance is the key factor to determine the data security of cipher algorithm. Our paper proposes a novel S-box optimization ...

Sometimes gardeners stray away from succulents because they've had poor success growing them indoors. Other times gardeners hear how easy they are to grow, buy them, and then watch them wither away.

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Abstract: We propose a novel source of high-power 1-3-THz radiation based on frequency multiplication in a planar gyrotron, with transverse energy extraction. In such a scheme, it is possible to ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Gordon Scott has been an active investor and technical analyst or 20+ years. He ...

Comb method is an efficient method to calculate point multiplication in elliptic curve cryptography, but vulnerable to power-analysis attacks. Various algorithms have been proposed recently to make ...