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Problem 3. (25 points) (a) In DES encryption, for an input block B8 110111, find S8(B8) and for an input block B1 011011, find S/(B/)
Problem 3. (25 points) (a) In DES encryption, for an input block B8 110111, find S8(B8) and for an input block B1 011011, find S/(B/) and S3(B3) using S-Box operations. B3-Olon S5 SI 14 4 13 1 2 15 11 8 3 10 6 12 59 07 0 15 7 4 14 2 13 1 1e 6 12 11 9 5 3 8 4 1 14 8 13 6 2 11 15 12 97 3 10 5 15 12 8 2 4 917 5 11 3 14 10 6 13 2 12 4 1 7 10 11 6 8 5 3 15 13 14 9 14 11 2 12 4 7 13 1 5 15 10 3 9 8 6 4 2 1 11 10 13 7 8 15 9 12 5 63 14 11 8127 1 14 2 13 6 15 9 10 4 s3 S6 S2 12 1 18 15 92 6 8 13 3 4 14 7 5 11 10 15 4 2 712 9 5 6 1 13 14 11 3 8 15 1 8 14 6 11 3 49 7 2 13 12 5 10 3 13 4 7 15 2 8 14 12 1 10 6 9 11 5 e 14 7 11 10 4 13 1 5 8 12 6 9 3 2 15 13 8 10 1 3 15 4 2 11 6 7 12 5 14 9 43 2 12 9 5 15 10e 11 14 1 76 813 S7 S3 4 11 2 14 15 8 13 3 12 9 7 5 18 61 13 e 11 7 49 1 10 14 3 12 2 15 8 6 1 4 11 13 12 3 7 14 10 15 6 8 5 9 2 10 e 914 6 3 15 5 1 13 12 7 11 4 2 8 13 7 9 3 4 6 10 2 8 5 14 12 11 15 1 13 6 4 9 8 15 3 e 11 1 2 12 5 10 147 6 11 13 8 1 4 107 9 5 e 15 14 2 3 12 1 10 13 69 8 7 4 15 14 3 115 2 12 S8 S4 7 13 14 3 e 6 9 10 1 2 13 8 11 5 615 3 47 2 12 1 10 14 9 10 6 9 12 11 7 13 15 1 3 14 5 2 8 4 3 15 6 10 1 13 8 94 5 11 12 7 2 14 13 2 84 6 15 11 1 1e 9 3 14 5 12 7 1 15 13 8 10 3 7 4 12 5 6 11 0 14 9 2 711 419 12 14 2 6 10 13 15 3 5 2 1 147 418 813 15 12 9 35 6 11 8 5 11 12 4 15
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