Gen-2标签的RFID认证协议的研究
RFID Authentication Protocol in Conformity with the Gen-2 Standard

李静 LJ

摘要


针对RFID系统的Gen-2类标签有限容量的特点,提出了一种基于Gen-2标签的RFID认证协议,将标签32位ID号分为低16位和高16位,利用标签的CRC-16位生成相应校验码作为密文传输.该协议避免了已有协议在安全性方面的5个缺陷,提高了数据库查询速度、降低了RFID标签的设计成本.并利用BAN逻辑对所提出协议的目标、假设和消息传递进行形式化分析,从理论上证明了该协议是安全可达的.
Considering that Radio Frequency Identification (RFID) Gen-2 tags have very limited computational capabilities, a Gen-2-based for RFID authentication protocol is proposed. The 32-bit ID number label is divided into the low and high 16-bit, using the CRC-16 function as a verification function to encapsulate texts. It has been proved that the protocol could avoid the five security deficiencies, improve the speed of querying database and reduce the design cost of RFID tags. It has used BAN logic to do the formal analysis about the proposed protocol, assumptions and sending messages, and theoretically proved that the protocol is safe.

参考



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