In Cryptography and Coding -- Twelfth IMA International Conference, IMACC 2009 (M. G. Parker, ed.), LNCS 5921 (2009), 383-401.
doi: 10.1007/978-3-642-10868-6_23
Errata in the printed version:
Page 393, the paragraph before Proposition 7: "It turns out that in all known examples with n <=8 so far, ..." should be "It turns out that in all known examples with n <= 9 so far, ..."The errors are corrcted in the attached PDF.
Abstract:
Let f:F_{2}^{n} to F_{2}^{n} be an almost perfect nonlinear function (APN). The set D_{f}:={(a,b) : f(x+a)-f(x)=b has two solutions} can be used to distinguish APN functions up to equivalence. We investigate the multiplier groups of theses sets D_{f}. This extends earlier work done by the authors.
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