gistfile1.cpp

#include <iostream>
#include <istream>
#include <string>

using namespace std;

int const NUM_ROWS = 9;
int const NUM_COLS = 8;


void encryptMessage(char encryptionMatrix[][NUM_COLS]);
void decryptMessage(char encryptionMatrix[][NUM_COLS]);

int main(void)
{
	
	
	char encryptionMatrix[NUM_ROWS][NUM_COLS] = {
			{ 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' },
			{ 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p' },
			{ 'q', 'r', 's', 't', 'u', 'v', 'w','x' },
			{ 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F' },
			{ 'G', 'H', 'I', 'J', 'K', 'L',	'M','N' },
			{ 'O', 'P', 'Q', 'R', 'S', 'T',	'U','V' },
			{ 'W', 'X', 'Y', 'Z', '0', '1', '2', '3' },
			{ '4', '5', '6', '7', '8', '9',	' ', '.' },
			{ ',', '?', '!', ':', ';', '\'', '\"', '_' }
	};
	char option = 0; //stores which option is picked
	bool keepGoing = true; //to keep menu running
	
	
	do
	{
		cout << "\t MENU\n======================\n";
		cout << "E: Encrypt Message \n";
		cout << "D: Decrypt Message \n";
		cout << "Q: Quit \n";
		cin >> option;

		switch (option)
		{
		case 'E': //calls encrptionMatrix to enter and encrypt a message
			encryptMessage(encryptionMatrix);
			break;

		case 'D':

			decryptMessage(encryptionMatrix);
			break;

		case 'Q':
			keepGoing = false;
			break;

		default:
			cout << "Please pick a valid option.\n\n";
			break;
		}
	} while (keepGoing == true);


	system("pause");
	return 0;
}

void encryptMessage(char encryptionMatrix[][NUM_COLS])
{
	string message;
	cout << "Type your message: ";
	cin.ignore();
	getline(cin, message);
	????
	for (int r = 0; r < NUM_ROWS; r++)
	{
		for (int c = 0; c < NUM_COLS; c++)
		{
			???
		}
	}
}


void decryptMessage(char encryptionMatrix[][NUM_COLS])
{

}