基于PRESENT算法的安全标签基带设计

Design of Security Tag Baseband Based on PRESENT Algorithm

针对无线射频识别(RFID)标签芯片中存在的安全问题,设计一款具有安全功能的UHF RFID标签基带,该基带遵循我国自主射频识别空中接口协议GJB7377.1-2011。通过研究RFID标签的设计需求和安全策略,给出基于PRESENT加密算法和安全协议的标签安全性设计方案。基带设计采用寄存器分时复用、功耗管理、多时钟域设计、门控时钟等低功耗策略。实验结果表明,该数字基带符合自主标准,具有安全功能,基带总面积为339.84μm×332.56μm,其中安全模块占总面积的36.5%,基带总功耗低至5.26μW。

To improve the security and privacy problems in Radio Frequency Identification（RFID）tags,a low power UHF RFID security tag baseband in accordance with the independent national protocol（GJB7377.1- 2011）is designed.Through studying RFID tags＇ security strategy and comparing plenty of cryptographic algorithms,PRESENT cryptographic algorithm and security protocol are used to ensure tag＇s security. Reuse of several blocks,time-sharing reuses of registers,power management and multiple time regions design are employed to minimize the power consumption of baseband. Experimental results show that the baseband is in accordance with the independent national UHF RFID standard and has security function. The area of the digital baseband is 369.84 μm× 362.56 μm,of which the security module takes 36.5%,and the power consumption of the baseband is 5.26 μW.