RFID安全认证协议综述

在物联网发展中，RFID技术以其轻量化的优势在物联网体系中占据重要地位。同时，RFID安全认证协议也因物理条件限制受到安全威胁。首先，通过对现行主流RFID安全认证协议进行梳理，按加密算法的量级将其划分为超轻量级、轻量级、中量级和重量级安全认证协议；然后，对其中典型的安全认证协议存在的安全问题进行分析，对近年来提出的改进协议安全性能及性能指标按量级进行讨论比较；最后，探讨了RFID安全认证协议可能的发展方向。

Overview of RFID security authentication protocols

In the development of the Internet of Things, RFID technology with its lightweight advantage plays an important role in the Internet of Things (IoT) system. At the same time, RFID authentication protocols are also subject to security threats due to physical limitations. By sorting out the current mainstream RFID authentication protocols, they are divided into ultra-lightweight, lightweight, middleweight, and heavyweight security authentication protocols according to the magnitude of the encryption algorithm. The security problems of typical security authentication protocols are analyzed, and the security performance and performance indicators of the improved protocols proposed in recent years are discussed and compared according to the magnitude. Finally, the possible development direction of RFID authentication protocols is discussed.