Hashing Technique in ASP.Net

public string HashingSHA1(string test)

        {

            /*================================================================

                      Hashing Technique with SALT.

            ================================================================ */

            string HashedString = null;

            byte[] salt = new byte[8];

            string intermediate = null;

            try

            {

                SHA1 sha = new SHA1CryptoServiceProvider();

                salt = Encoding.UTF8.GetBytes("Authenticate");//add your own salt here

                intermediate = Convert.ToBase64String(salt) + test;

                byte[] result = new byte[intermediate.Length];

                result = sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes(intermediate));

                HashedString = Convert.ToBase64String(result);

            }

            catch (CryptographicException ce)

            {

                //ce.Message;

            }

            return HashedString;

        }

You Can Download the Working Code From here.