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Computers and Technology, 12.04.2021 20:50 svg8

Write a program that encrypts a message using a Caesar cipher. The user will enter the message to be encrypted and the shift amount (the number of positions by which letters should be shifted):Enter message to be encrypted: Go ahead, make my day. Enter shift amount (1 - 25): Encrypted message: Jr ddg, pdnh pb gdb. Notice that the program can decrypt a message if the user enters 26 minus the original key: Enter message to be encrypted: Jr ddg, pdb pdb gdb. Enter shift amount (1 - 25): 23 Encrypted message: Go ahead, make my day. You may assume that the message does not exceed 80 characters. Characters other than letters should be left unchanged. Lower-case letters remain lower-case when encrypted and uppercase letters remain upper-case. Hint: To handle the wrap-around problem, use the expression (( ch - 'A' ) n) % 26 'A' to calculate the encrypted version of an uppercase letter, where ch stores the letter and n stores the shift amount (use similar expression for lower-case as well.) We will use the following function: void encrypt(char *message, int shift);

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