Question & Answer: Q3 Consider the following key K and plaintext (both K and plaintext are exactly the same)…..

Q3 Consider the following key K and plaintext (both K and plaintext are exactly the same)

Hexadecimal notation: 0 1 2 3 4 5 6 7 8 9 A B C D E F
Binary notation: 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111

a)Derive K1, the first-round subkey for DES. Please show different steps involved in getting to the final answer.