Answer:
Code works perfectly
Explanation:
There is nothing wrong with your program as it runs perfectly and displays the expected results.
You may need to compile with another compiler if you're not getting the required results.
I've added the source code as an attachment (unedited)
Answer:
c. both the user and the provider of encrypted data.
Explanation:
In assymetric key encryption, you will need the public key of the sender to decode the information along with your private key to decode the encrypted information. if you don't have any of the keys, you won't be able to read the information. You must have both in order to read the information sent.