Management of Information Security 3rd Edition by Michael Whitman ,Herbert Mattord

تمرين 22

Create a spreadsheet that takes eight values input into eight different cells and then applies a transposition cipher to them. Next, create a row that takes the results and applies a substitution cipher to them (substitute 0 for 5, 1 for 6, 2 for 7, 3 for 8, 4 for 9, and vice versa).