Question: Imagine the mini block cipher is executed twice to generate a cipher text. It is called double mini cipher block. We need a key in

Imagine the mini block cipher is executed twice to generate a cipher text. It is called double mini cipher block. We need a key in

32

bits. The first

16

to the first mini block cipher, the remaining

16

to the second mini block cipher. The meet in the middle attack is to match the state for the first encryption of mini block cipher and the second decryption mini block. How many operations are needed to such attack?

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