Question: Can you modify the encryption specified in 5.2.3.2Mixing In the Plaintextso that instead of b i = MD(K AB |c i -1 ) we use

Can you modify the encryption specified in 5.2.3.2Mixing In the Plaintextso that instead of b_i= MD(K_AB|c_i_-1) we use b_i= MD(K_AB|p_i_-1)? How do you decrypt it? Why wouldn't the modified scheme be as secure? (Hint: what would happen if the plaintext consisted of all zeroes?)

bi-MD(KAB IV) b2 MD(KAB

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