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Cascade Ciphers Revisited: Indifferentiability Analysis
blockcipher cascade ideal cipher
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2016/12/10
This work revisits the following question: in the ideal cipher model, can a cascade of several ideal (κ,n)(κ,n)-blockciphers realize 22κ22κ independent nn-bit random permutations, i.e. an ideal (2κ,n)...