Encrypt and Decry-pt Password

  public  class Password
    {
      public static string CreateRandomPassword(int Length)
      {
          Random rnd = new Random(Convert.ToInt32(DateTime.Now.Millisecond));  //Creates the seed from the time
          string Password = "";
          while (Password.Length < Length)
          {
              char newChar = Convert.ToChar((int)((122 - 48 + 1) * rnd.NextDouble() + 48));
              if ((((int)newChar) >= ((int)'A')) & (((int)newChar) <= ((int)'Z')) | (((int)newChar) >= ((int)'a')) & (((int)newChar) <= ((int)'z')) | (((int)newChar) >= ((int)'0')) & (((int)newChar) <= ((int)'9')))
                  Password += newChar;
          }
          return Password;
      }
      public static string GetMd5Hash(string value)
      {
          var md5Hasher = MD5.Create();
          var data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(value));
          var sBuilder = new StringBuilder();
          for (var i = 0; i < data.Length; i++)
          {
              sBuilder.Append(data[i].ToString("x2"));
          }
          return sBuilder.ToString();
      }
      const string passphrase = "Password@123";  //consant string Pass key

      public string encrypt(string message)
      {
          byte[] results;
          UTF8Encoding utf8 = new UTF8Encoding();
          //to create the object for UTF8Encoding  class
          //TO create the object for MD5CryptoServiceProvider
          MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
          byte[] deskey = md5.ComputeHash(utf8.GetBytes(passphrase));
          //to convert to binary passkey
          //TO create the object for  TripleDESCryptoServiceProvider
          TripleDESCryptoServiceProvider desalg = new TripleDESCryptoServiceProvider();
          desalg.Key = deskey;//to  pass encode key
          desalg.Mode = CipherMode.ECB;
          desalg.Padding = PaddingMode.PKCS7;
          byte[] encrypt_data = utf8.GetBytes(message);
          //to convert the string to utf encoding binary

          try
          {

              //To transform the utf binary code to md5 encrypt
              ICryptoTransform encryptor = desalg.CreateEncryptor();
              results = encryptor.TransformFinalBlock(encrypt_data, 0, encrypt_data.Length);

          }
          finally
          {
              //to clear the allocated memory
              desalg.Clear();
              md5.Clear();
          }

          //to convert to 64 bit string from converted md5 algorithm binary code
          return Convert.ToBase64String(results);

      }




      public string decrypt(string message)
      {
          byte[] results;
          UTF8Encoding utf8 = new UTF8Encoding();
          MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
          byte[] deskey = md5.ComputeHash(utf8.GetBytes(passphrase));
          TripleDESCryptoServiceProvider desalg = new TripleDESCryptoServiceProvider();
          desalg.Key = deskey;
          desalg.Mode = CipherMode.ECB;
          desalg.Padding = PaddingMode.PKCS7;
          byte[] decrypt_data = Convert.FromBase64String(message);
          try
          {
              //To transform the utf binary code to md5 decrypt
              ICryptoTransform decryptor = desalg.CreateDecryptor();
              results = decryptor.TransformFinalBlock(decrypt_data, 0, decrypt_data.Length);
          }
          finally
          {
              desalg.Clear();
              md5.Clear();

          }
          //TO convert decrypted binery code to string
          return utf8.GetString(results);
      }
    }