class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("encrypted as: {0}", TripleDESEncrypt("", "abcdefghijklmnop", "pgfYadhCout=", false));

        }

        public static string TripleDESEncrypt(string toEncrypt, string key, string iv, bool useHashing)

        {

            byte[] keyArray;

            byte[] toEncryptArray = UTF8Encoding.UTF8.GetBytes(toEncrypt);

            byte[] ivArray = Convert.FromBase64String(iv);

            if (useHashing)

            {

                MD5CryptoServiceProvider hashmd5 = new MD5CryptoServiceProvider();

                keyArray = hashmd5.ComputeHash(UTF8Encoding.UTF8.GetBytes(key));

            }

            else

                keyArray = UTF8Encoding.UTF8.GetBytes(key);

            var tdes = new TripleDESCryptoServiceProvider();

            tdes.Key = keyArray;

            tdes.IV = ivArray;

            // tdes.Mode = CipherMode.CBC;  // which is default

            // tdes.Padding = PaddingMode.PKCS7;  // which is default

            ICryptoTransform cTransform = tdes.CreateEncryptor();

            byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, ,

                toEncryptArray.Length);

            return Convert.ToBase64String(resultArray, , resultArray.Length);

        }

    }

var crypto = require('crypto');

var alg = 'des-ede-cbc';

var key = new Buffer('abcdefghijklmnop', 'utf-8');

var iv = new Buffer('pgfYadhCout=', 'base64');

var EncryptDES = function (data) {

  var cipher = crypto.createCipheriv(alg, key, iv);

  var encoded = cipher.update(data, 'ascii', 'base64');

  encoded += cipher.final('base64');

  return encoded;

};

var DecryptDES = function (data) {

  var encrypted = new Buffer(data, 'base64');

  var decipher = crypto.createDecipheriv(alg, key, iv);

  var decoded = decipher.update(encrypted, 'binary', 'ascii');

  decoded += decipher.final('ascii');

  return decoded;

};