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 ...
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