Basic RSA Cypher

Modify the attached piece of code: 1- Create a console menu as follow: ------------------------------- Welcome to RSA Cypher Please select your option ------------------------------ 1. Generate Public Key 2. Generate Private Key 3. Encrypt Message 4. Decrypt Message 5. Quit 2. Modify code to get user input for file name to be saved as for Private and Public Key 3. When Encrypt Message selected, prompt for what key you want to use (Public or Private) and make that key electable 4. When Decrypt Message is selected , prompt for what key to use ((Public or Private) and make that key electable 5. When encryption or decryption is finished, prompt if user wish to return to main menu, if yes return to main menu, else quit. 6. Explain each step in layman terms