4-bit input 4 to 16 decoder 0I 2 34 5 6 7 89 10 1 12 13 14 15 02 3 4 5 678 9 10 11 12 13 14 13 16 to 4 encoder 4-bit output Figure 3.2 Generaln-bit-n-bit Block Substitution (shown with n 4) Note: The following problems refer to details of DES that are described in Appendix S. 3.9C Consider the substitution defined by row 1 of S-box S in Table S.2. Show a block diagram similar to Figure 3.2 that corresponds to this substitution. 4-bit input 4 to 16 decoder 0I 2 34 5 6 7 89 10 1 12 13 14 15 02 3 4 5 678 9 10 11 12 13 14 13 16 to 4 encoder 4-bit output Figure 3.2 Generaln-bit-n-bit Block Substitution (shown with n 4) Note: The following problems refer to details of DES that are described in Appendix S. 3.9C Consider the substitution defined by row 1 of S-box S in Table S.2. Show a block diagram similar to Figure 3.2 that corresponds to this substitution