Problem 5. a) Write a C++ function that inputs a text message and a positive integer k less than 26 and outputs an encrypted version of the message using the shift cipher with key k.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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[C++ Programming]

Please do not copy other sources in Chegg or other sites. Please write new code.

**Problem 5.**

a) Write a C++ function that inputs a text message and a positive integer \( k \) less than 26 and outputs an encrypted version of the message using the shift cipher with key \( k \).

b) Write a C++ function that inputs a positive integer \( k \) less than 26 and a text message encrypted using the shift cipher with key \( k \) and outputs a decrypted version of the message.

c) Write a C++ program to test your functions from parts a) and b).

**Note:** While working on this problem, assume that each text message consists of capital letters and spaces only.

*For Problem 5, submit your C++ program and test results. Make sure to test your program several times.*
Transcribed Image Text:**Problem 5.** a) Write a C++ function that inputs a text message and a positive integer \( k \) less than 26 and outputs an encrypted version of the message using the shift cipher with key \( k \). b) Write a C++ function that inputs a positive integer \( k \) less than 26 and a text message encrypted using the shift cipher with key \( k \) and outputs a decrypted version of the message. c) Write a C++ program to test your functions from parts a) and b). **Note:** While working on this problem, assume that each text message consists of capital letters and spaces only. *For Problem 5, submit your C++ program and test results. Make sure to test your program several times.*
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