Indifferentiability of Confusion-Diffusion Networks

EUROCRYPT, pp. 679-704, 2016.

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Abstract:

We show the first positive results for the indifferentiability security of the confusion-diffusion networks which are extensively used in the design of block ciphers and hash functions. In particular, our result shows that a constant number of confusion-diffusion rounds is sufficient to extend the domain of a public random permutation.

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