Differentially 4-uniform permutations have emerged as a cornerstone in the design of secure substitution boxes (S-boxes) for modern block ciphers. These functions are characterised by their ability to ...
This story is a supplement to the feature "Rubik's Cube Inspired Puzzles Demonstrate Math's "Simple Groups"" which was printed in the July 2008 issue of Scientific American. All three new puzzles ...
Engineers at the University of California, Los Angeles (UCLA) have announced a "major advance" in optical computing technology, which they say promises to enhance data processing and encryption. This ...
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