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Lightweight Encryption Protocol for Passive RFID System using

In this paper we propose a mutual authentication protocol for a specific Radio Frequency Identification (RFID) system, which is under development by Prof. Ivan Marsic and Graduate student Vidur Nayyar. The system uses three RFID receivers that detect the Received Signal Strength(RSSI) and the data picked up by the sensors attached to the tag to sense the vital information from the patients. We take advantage of SIMON’s lightweight cryptographic algorithm to develop a protocol that fits perfectly to the RFID system’s requirement to add security to the RFID system which is a MSP-430 based RFID tag. [The project mentioned above is in the initial phase, all the experiments have been performed on a battery-powered RFID tag and the battery-less tag is under development. The security/authentication protocol is being designed keeping in mind the future of the project, that is using a battery-less RFID tag.]