1. Based on the following assigned table answer the following: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 a. Use the shift cipher described in the class to encrypt text We are Trojans. The key (k) is 20. Show the steps. b. Use the shift cipher described in the class to decrypt ciphertext"WIGJONYL". The key size is 20. Show the steps. c. implement the shift cipher algorithm introduced in the class using MATLAB, or C, or JAVA or any other programming language. Submit the source codes program, test cases (assume that part (a) and part (b) as your test cases), and the results of test runs. Upload the source code into Blackboard in the same attempt. Also, don't forget to have a screenshot of the test cases in your homework report