using System;

using System.IO;

using System.Security.Cryptography;

using System.Text;

public class Program

{

        private static byte[] InMemoryCrypt(byte[] data, ICryptoTransform transform)

        {

            MemoryStream memory = new MemoryStream();

            using (var stream = new CryptoStream(memory, transform, CryptoStreamMode.Write))

            {

                stream.Write(data, 0, data.Length);

            }

​

            return memory.ToArray();

        }

    public static void Main()

    {

        var _algo = TripleDES.Create();

            var _iv = new byte[] { 220, 138, 91, 56, 76, 81, 217, 70 };

            var _key = new byte[] { 88, 221, 70, 78, 149, 105, 62, 50, 93, 32, 72, 240, 54, 53, 153, 41, 39, 135, 78, 19, 216, 208, 180, 50 };

            // Uncomment to generate new keys

            //_algo.GenerateIV();

            //_algo.GenerateKey();

            Console.WriteLine(string.Join(", ", _algo.IV));

            Console.WriteLine(string.Join(", ", _algo.Key));

            var str = "Test";

            byte[] encryptedBytes;

            using (ICryptoTransform encryptor = _algo.CreateEncryptor(_key, _iv))

            {

                byte[] bytesToEncrypt = Encoding.UTF8.GetBytes(str);

                encryptedBytes = InMemoryCrypt(bytesToEncrypt, encryptor);

            }

​

            var result = Convert.ToBase64String(encryptedBytes);

        Console.WriteLine(result);

    }

}