You have been hired by XYZ Stealth Incorporated to design their next generation of data encryption software, and in particular, your task is to create a C++ class that supports the ability to perform 2 common data encryption techniques:

• ROT-13 – en.wikipedia.org/wiki/ROT13
• XOR Cipher – en.wikipedia.org/wiki/XOR_cipher

The class will support the following capabilities:

• initialize the class with a block of data – a) string b) an arbitrary array of data (supplied via void *) and a length
• a method to load data from disk (filename supplied)
• a method to select encryption technique
• a method to set the key for the XOR Cipher
• a method to perform encryption
• a method to save manipulated data to disk (filename supplied)
• a method to decrypt (study the 2 wiki descriptions carefully, a