private void CreateSamlTokens( SecurityTokenDescriptor tokenDescriptor )
 {
     SamlSecurityTokenHandler samlTokenHandler = new SamlSecurityTokenHandler();
     SamlSecurityToken token = samlTokenHandler.CreateToken( tokenDescriptor ) as SamlSecurityToken;
     MemoryStream ms = new MemoryStream();
     XmlDictionaryWriter writer = XmlDictionaryWriter.CreateTextWriter( ms );
     samlTokenHandler.WriteToken( writer, token );
 }