Near Field Authentication for Smart Devices
Near Field Communication (NFC) systems provide a good location-limited channel so that many security systems can use it to force the participants to stay close to each other. Unfortunately, only a small number of smart devices in the market are equipped with NFC chips that are essential for NFC systems. The purpose of this paper is to provide the same feature, called Near Field Authentication (NFA), without using NFC chips. The authors propose an easy-to-use system to achieve NFA by using human finger movement on the touch screens of two nearby smart devices.