A novel vector-space-based lightweight privacy-preserving RFID authentication protocol for IoT environment

Internet of Things (IoT) is a novel paradigm that connects several physical devices and the cyber world over the Internet. IoT technology is growing rapidly and soon will have an enormous innovation in our daily lives. With the increasing number of connected IoT devices making our daily lives more convenient, it puts personal data at serious risk too. Radio frequency identification (RFID) contributes to IoT applications in the automatic identification of the connected devices. However, the primary concerns with the RFID tag connected devices are their security and privacy. The communication channel is deemed to be wireless or insecure between the tags and the readers, which makes RFID system vulnerable to the various known attacks. To deal with these security flaws, we have put forward a novel vector-space-based lightweight RFID authentication protocol for IoT environment named VLPRAP. The proposed protocol integrates vector space, linear mapping and basis mechanism that achieves secure authentication and improves security and privacy without increasing the computational cost. The correctness of the proposed VLPRAP protocol has been validated using BAN logic inference rules. The formal and informal security analysis demonstrates that our proposed protocol resists various malicious security threats, providing better security and higher efficiency. Furthermore, the performance analysis of our proposed protocol has been measured in terms of computation operations, storage requirement and communication overhead, which shows that better performance as compared to related existing protocols.