轻量级RFID标签组证明协议  

Lightweight RFID tag group proof protocol

作　　者：杨兴春[1,2] 许春香[1] 李朝荣[3] Yang Xingchun;Xu Chunxiang;Li Chaorong(School of Computer Science ＆ Engineering,University of Electronic Science ＆ Technology of China,Chengdu 611731,China;Dept.of Computer Science ＆ Technology,Sichuan Police College,Luzhou Sichuan 646000,China;Dept.of Computer Science ＆ Information Engineering,Yibin University,Yibin Sichuan 644000,China)

机构地区：[1]电子科技大学计算机科学与工程学院,成都611731 [2]四川警察学院计算机科学与技术系,四川泸州646000 [3]宜宾学院计算机与信息工程学院,四川宜宾644000

出　　处：《计算机应用研究》2018年第7期2139-2142,共4页Application Research of Computers

基　　金：国家自然科学基金资助项目(61370203);四川省教育厅资助项目(13ZB0127);国家博士后基金支持项目(2016M602675);中央高校基本科研基金资助项目(ZYGX2016J123)

摘　　要：为向第三方证明一组RFID标签已被阅读器同时扫描过,针对低性能标签,提出了一个基于ElGamal加密方案的轻量级RFID标签组证明协议。该协议执行时,阅读器首先与主标签进行认证,然后转发主标签的部分输出信息至标签组中的第一个标签,该标签对输入信息进行哈希运算后,再产生输出信息并由阅读器转发至第二个标签。第二个标签再对输入信息进行哈希运算,其输出再被阅读器转发至第三个标签。此过程重复执行,直至标签组中最后一个标签的输出信息被阅读器转发回主标签。最后,阅读器记录所有标签的输出信息并形成标签组证明,该证明可交由第三方验证。所提出的协议需要阅读器执行ElGamal加密算法,主标签执行轻量级对称加密运算,而标签组中的所有普通标签只需执行哈希运算。经分析,所提出协议满足相应安全要求,且性能优于对比协议。In order to prove to a third party that an RFID reader has scanned a group of RFID tags simultaneously,this paper proposed a lightweight tag group proof protocol based on the ElGamal encryption scheme. In the proposed protocol,the reader first launched mutual authentication with a master tag,then forwarded some output message of the master tag to the first tag of the group. After the hash operation for the output message,the first tag generated another output,which would be sent to the second tag of the group and hashed by the tag. It also sent the output of the second tag to the third tag and hashed by the third tag. The protocol repeated this process until the last tag output some message,which would be sent to the master tag by the reader. The reader recorded all the output message of the tags to generate tag group proof,which could be verified by the third party. The proposed protocol needed reader to perform encryption and decryption,and the master tag performed lightweight symmetric encryption algorithm,while other tags in the tag group just need to perform hash operation. The analysis shows that the proposed protocol meets general security requirements and its performance is superior to the compared tag group protocols.

关 键 词：射频识别 轻量级 标签组证明 安全协议 ElGamal加密 

分 类 号：TP309.2[自动化与计算机技术—计算机系统结构]