static void Main()
{
var aes = new AesEncryption();
var key = aes.GenerateRandomNumber(32);
var iv = aes.GenerateRandomNumber(16);
const string original = "Text to encrypt";
var encrypted = aes.Encrypt(Encoding.UTF8.GetBytes(original), key, iv);
var decrypted = aes.Decrypt(encrypted, key, iv);
var decryptedMessage = Encoding.UTF8.GetString(decrypted);
Console.WriteLine();
Console.WriteLine("Original Text = " + original);
Console.WriteLine("Encrypted Text = " + Convert.ToBase64String(encrypted));
Console.WriteLine("Decrypted Text = " + decryptedMessage);
Console.ReadLine();
}