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Devise round key K1 for DES algorithm if the key is 0x 12 34 56 78 9a bc de f0 in hexadecimal. Show your calculations,
Devise round key K1 for DES algorithm if the key is 0x 12 34 56 78 9a bc de f0 in hexadecimal. Show your calculations, provide necessary explanations.
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64-bit plaintext Initial Permutation Permuted Choice ki Round 1 Permuted Choice2 Left circular shin Round 2 Permuted Choice 2 Left circular shin Permuted Choice 1 (PC-1) 57 49 41 33 25 17 9 1 58 50 42 34 26 18 10 2 59 51 43 35 27 19 11 3 60 52 44 36 63 55 47 39 31 23 15 7 62 54 46 38 30 22 14 6 61 53 45 37 29 21 13 5 28 20 12 4 K16 Round 16 Permuted Choice2 Left circular shin 32-bit Swap Inverse Initial Permutatke 64-bit cipheriet Figure 3.7 General Depiction of DES Encryption Algorithm E Permuted Choice 2 (PC-2) 14 17 11 24 1 5 3 28 15 6 21 10 23 19 12 4 26 8 16 7 27 20 13 2 41 52 31 37 47 55 30 40 51 45 33 48 44 49 39 56 34 53 46 42 50 36 29 32 XOR Figure 3 Single Round Algorithm Schedule of Left Shifts Round number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Bits rotated 1 1 2 2 2 2 2 212 2 2 2 2 2 1Step by Step Solution
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