This is a preview. Log in through your library . Abstract The continued fraction method for factoring integers, which was introduced by D. H. Lehmer and R. E. Powers, is discussed along with its ...

PNAS is the world's most-cited multidisciplinary scientific serial. It publishes high-impact research reports, commentaries, perspectives, reviews, colloquium papers, and actions of the Academy. In ...

Abstract: Substitution Boxes play a vital role in the Rijndael algorithm of modern block ciphers. The security and efficiency of these ciphers mainly depend upon the algebraic construction of their ...

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