Core Concepts of Accounting Information Systems 12th Edition by Carolyn Strand Norman, Mark Simkin

Exercise 30

Examine the data encryption technique illustrated in Figure 14-11 . Use a displacement value of ''8'' to encrypt the following message. Hint: This task becomes easy if you use an Excel spreadsheet and VLookUp formulas that reference a table of letters and their numeric equivalencies. ''Those who ignore history are forced to repeat it.''