A new security test for substitution boxes(s-boxes),the nonlinearity profile test,is presented,together with its results over the s-boxes of DEs and *** test can be used to measure the global nonlinearity for an s-box...
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A new security test for substitution boxes(s-boxes),the nonlinearity profile test,is presented,together with its results over the s-boxes of DEs and *** test can be used to measure the global nonlinearity for an s-box effectively,which overcomes the disadvantage of existing methods that cannot evaluate the nonlinear capacity of an s-box against attacks which keep some input bits constant.
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