// fig05_18.cpp
// Encrypting and decrypting text with a Vigenère cipher. 
#include "cipher.h"
#include <iostream>
#include <string>
using namespace std;

int main() {
   string plainText;
   cout << "Enter the text to encrypt:\n";
   getline(cin, plainText);

   string secretKey;
   cout << "\nEnter the secret key:\n";
   getline(cin, secretKey);

   Cipher cipher; 

   // encrypt plainText using secretKey
   string cipherText{cipher.encrypt(plainText, secretKey)};
   cout << "\nEncrypted:\n   " << cipherText << '\n';

   // decrypt cipherText
   cout << "\nDecrypted:\n   "  
      << cipher.decrypt(cipherText, secretKey) << '\n';
   
   // decrypt ciphertext entered by the user
   cout << "\nEnter the ciphertext to decipher:\n";
   getline(cin, cipherText);
   cout << "\nDecrypted:\n   " 
      << cipher.decrypt(cipherText, secretKey) << '\n';
}

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 * (C) Copyright 1992-2022 by Deitel & Associates, Inc. and               *
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