Encrypt Menggunakan RSACryptoServiceProvider

using System;
using System.IO;
using System.Security;
using System.Security.Cryptography;
using System.Collections.Generic;
using System.Text;

class Program
{
static void Main(string[] args)
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
StreamReader sr = File.OpenText("myKey.xml");
string rsaXml = sr.ReadToEnd();
sr.Close();
rsa.FromXmlString(rsaXml);

string messageToJane = "this is a test";

byte[] encrypted = rsa.Encrypt(System.Text.ASCIIEncoding.ASCII.GetBytes(messageToJane), false);

FileStream fs = new FileStream("Message.dat", FileMode.Create);
fs.Write(encrypted, 0, encrypted.Length);
fs.Close();
}
}