Let, E (E, D) be a perfectly secure cipher defined over (K,M, C) where K M Let E 0 (E 0 , D 0 ) be a cipher where encryption is defined as E0 (k1,k2) (m) (Ek1 (k2), Ek2 (m)) Show that E 0 is perfectly secure

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Question: Let, E = (E, D) be a perfectly secure cipher defined over (K,M, C) where K = M. Let E 0 = (E 0 ,

Let, E = (E, D) be a perfectly secure cipher defined over (K,M, C) where K = M. Let E ₀ = (E₀ , D₀) be a cipher where encryption is defined as E0 (k1,k2) (m) = (Ek1 (k2), Ek2 (m)). Show that E 0 is perfectly secure

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