Question One : Assume that you are working as a cryptanalyst and the encrypted message shown below was transmitted in Hexadecimal format and intercepted by your team. Your manager assigned the task to you to decrypt the message and to show the original transmitted message. Show in details of how you decrypt the message and to show the original plan text. 4B 56 43 52 50 56 53 49 4D 4B 4C 45 43 57 4D 55 48 46 5A 58 59 50 50 47 47 4A 4B 4E 48 50 41 45 43 58 54 4F 4A 46 50 4B 42 42 4E 4D 47 48 5A 4C 47 43 45 59 47 5A 58 5A 46 57 54 49

PS: you have inside source who revealed to you that the method used for encryption was Vigenre Autokey System and the key used for encryption was

52 6F 79 61 6C 4E 61 76 79