static void Main(string[] args)
{
//from string literal and string concatenation
string fname, lname;
fname = "Rowan";
lname = "Atkinson";
string fullname = fname + lname;
Console.WriteLine("Full Name: {0}", fullname);
//by using string constructor
char[] letters = { 'H', 'e', 'l', 'l', 'o' };
string greetings = new string(letters);
Console.WriteLine("Greetings: {0}", greetings);
//methods returning string
string[] sarray = { "Hello", "From", "Tutorials", "Point" };
string message = String.Join(" ", sarray);
Console.WriteLine("Message: {0}", message);
//formatting method to convert a value
DateTime waiting = new DateTime(2012, 10, 10, 17, 58, 1);
string chat = String.Format("Message sent at {0:t} on {0:D}", waiting);
Console.WriteLine("Message: {0}", chat);//from string literal and string concatenation
Console.WriteLine("Enter input string: ");
string input = Console.ReadLine(); //taking string input from user
EncryptDecryptClass encdec = new EncryptDecryptClass(); //encrypt decrypt class object
string encryptedString = encdec.EncryptInput(input); //encrypted string
Console.WriteLine("Encrypted String: {0}", encryptedString);
string decryptedString = encdec.DecryptInput(encryptedString); //decrypted string
Console.WriteLine("Decrypted String: {0}", decryptedString);
string textenograph = encdec.stringtenograph(encryptedString);
Console.WriteLine("Textenographed String: {0}", textenograph);
string decodetextenograph = encdec.decodestringtenograph(textenograph);
Console.WriteLine("Decoded Textenographed String: {0}", decodetextenograph);
string stringFromDecodeTextenograph = encdec.DecryptInput(decodetextenograph); //decrypted string
Console.WriteLine("Decrypted Textenographed String: {0}", stringFromDecodeTextenograph);
Console.Read();
}
/// <summary>
/// This function recovers the hidden string in the input text
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Decrypt_Click(object sender, EventArgs e)
{
textBox_Output.Text = "";
string input = textBox_StegnographTextInput.Text; //String with hidden text
if (input != string.Empty)
{
string stringToDecodeFromSentence = encdec.decodstenograph(input, l.Text); //Recover encrypted string
string output = encdec.DecryptInput(stringToDecodeFromSentence); //Recover original message
textBox_Output.Text = output;
}
else
{
textBox_Output.Text = "Error: Please enter stenograph text input";
}
}