#include <iostream>
#include <fstream>
#include <string>
using namespace std;

int main()
{
    ifstream inFile;
    ofstream outFile;

    // Define variables
    string fileName,
        key = "seacrest out";
    // Key
    cout << "Please Enter A Key:" << endl;
    getline(cin,key);
    // Input
    cout << "Please enter the name of the file you wish to encrypt/decrypt: ";
    cin >> fileName;
    cout << endl;

    inFile.open(fileName, ios::in | ios::binary);
    string str((istreambuf_iterator<char>(inFile)), istreambuf_iterator<char>()); // Reads a text file into a single string.
    inFile.close();
    cout << "File read into memory:" << endl;
    //cout << str << endl;
    system("pause");

    // Encryption
  //  cout << "The file has been encrypted as follows:" << endl;
    for (unsigned x = 0; x < str.size(); x++)           // Steps through the characters of the string.
        str[x] ^= key[x % key.size()];                  // Cycles through a multi-character encryption key, and encrypts the character using an XOR bitwise encryption.
    //cout << str << endl;                                // This code works, but I get system beeps. Something is still wrong.

    // Write Encrypted File
    cout << "Please enter the file name to save the encrypted/decrypted file under: ";
    cin >> fileName;
    cout << endl;

    outFile.open(fileName, ios::out | ios::binary);
    outFile.write(str.c_str(), str.size());         // Writes the string to the binary file by first converting it to a C-String using the .c_str member function.

    system("pause");

return 0;
}