Easy Encryption/Decryption

Xcrypt.cs

 private enum XcryptMode
        {
            Encrypt,
            Decrypt
        }

        private string XcryptString(XcryptMode mode, string message)
        {
            byte[] results;
            var returnValue = string.Empty;
            var UTF8 = new System.Text.UTF8Encoding();
            var hashProvider = new System.Security.Cryptography.MD5CryptoServiceProvider();
            byte[] tdesKey = hashProvider.ComputeHash(UTF8.GetBytes(encryptKey));
            var tdesAlgorithm = new System.Security.Cryptography.TripleDESCryptoServiceProvider();
            tdesAlgorithm.Key = tdesKey;
            tdesAlgorithm.Mode = System.Security.Cryptography.CipherMode.ECB;
            tdesAlgorithm.Padding = System.Security.Cryptography.PaddingMode.PKCS7;

            byte[] dataToCrypt = null;

            if (mode == XcryptMode.Encrypt)
            {
                dataToCrypt = UTF8.GetBytes(message);
            }
            else if (mode == XcryptMode.Decrypt)
            {
                dataToCrypt = Convert.FromBase64String(message);
            }

            try
            {
                System.Security.Cryptography.ICryptoTransform cryptor = null;

                if (mode == XcryptMode.Encrypt)
                {
                    cryptor = tdesAlgorithm.CreateEncryptor();
                }
                else if (mode == XcryptMode.Decrypt)
                {
                    cryptor = tdesAlgorithm.CreateDecryptor();
                }

                results = cryptor.TransformFinalBlock(dataToCrypt, 0, dataToCrypt.Length);
               
            }
            finally
            {
                tdesAlgorithm.Clear();
                hashProvider.Clear();
            }

            if (mode == XcryptMode.Encrypt)
            {
                returnValue = Convert.ToBase64String(results);
            }
            else if (mode == XcryptMode.Decrypt)
            {
                returnValue = UTF8.GetString(results);
            }


            return returnValue;

        }