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(Solved): Bit vector: 0001 1000 0000 0001 0010 0011 0101 0010 The block cipher E is defined as E = E(1)k E ...



Bit vector: 0001 1000 0000 0001 0010 0011 0101 0010 The block cipher E is defined as E = E(1)k ? E(2)(m), with m = (m1m2 · · · m6) E(1)k (m) = m ? k E(2)(m) = (m4m6m5m2m1m3) Use E in Output Feedback Mode to encrypt the plaintext bit vector above with four bits of ciphertext transmitted on each round, key k = 010011, and the initialisation vector IV = 001011.



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