Enhanced secure low-level reader protocol based on session key update mechanism for RFID in IoT Online publication date: Sat, 25-Mar-2017
by Jun Yang; Pengpeng Yang; Ziyue Wang; Jianbin Li
International Journal of Web and Grid Services (IJWGS), Vol. 13, No. 2, 2017
Abstract: Radio Frequency Identification (RFID) is at the core of the IoT (Internet-of-Things) technology. The security risks associated with RFID are also accompanied by a growing number of advantages. This paper focuses on the security of the Low Level Reader Protocol (LLRP) released by EPCglobal and designs an enhanced secure mechanism for LLRP that consists of the handshake protocol of the authentication and session key update protocols. The encryption is applied to the communication of the entire LLRP protocol; therefore, the session key should be regularly updated. Because the requirements for session key update are different under different scenarios, a two-round key update protocol and a four-round key update protocol are designed to ensure the security of the protocol. Two types of key update methods with different difficulty coefficients are developed to meet practical requirements. This paper concludes with a performance evaluation of the mechanism.
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