asp.net TripleDES加密、解密算法

                cs.Write(bt, 0, bt.Length);   

                cs.FlushFinalBlock();   

                return (new System.Text.UnicodeEncoding()).GetString(ms.ToArray());   

            }   

            catch (Exception ex)   

            {   

                throw ex;   

            }   

        }   

  

    }  

 

    #endregion   

}