# File lib/omniauth/strategies/windows_live/windowslivelogin.rb, line 1013
  def getTrustedToken(user)
    if user.nil? or user.empty?
      debug('Error: getTrustedToken: Null user specified.')
      return
    end
    token = "appid=#{appid}&uid=#{CGI.escape(user)}&ts=#{timestamp}"
    token += "&sig=#{e64(signToken(token))}"
    CGI.escape token
  end