Question: Data encryption standard is the most widely used block cipher with the block size of 6 4 - bit intext and 6 4 - bit

Data encryption standard is the most widely used block cipher with the block size of 64-bit intext and 64-bit key for 16 rounds. Assume that, the plaintext after the Expansion function in d three is obtained as00010010001101000101011001111000100110101011 and

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