增强型RFID极低限相互认证协议

摘要

针对极低限相互认证协议(M2AP)不能够抵御中间人攻击的缺点,通过对传输的信息进行一定的保护,提出了增强型极低限相互认证协议(EM2Ap).该协议通过计算标签和阅读器共享密钥的汉明权重,并根据这个值对传输的信息进行循环移位,从而有效地抵御了中间人攻击.通过BAN逻辑证明、安全分析和性能分析,表明该协议能够在维持标签低成本的同时具有较高的安全性和可靠性.%Concerning the disadvantage of the Minimalist Mutual-Authentication Protocol ( M AP) that it cannot resist the man-in-the-middle attacks, an Enhanced M2AP ( EM2AP) was presented by protecting the messages transmitted between reader and tag. The protocol calculated the Hamming weight of the shared key of tag and reader and then used the weight value to protect the transmitted message on the cyclic shift, thus effectively avoiding the man-in-the-middle attacks. By BAN logic, security analysis and performance analysis, this paper shows that this protocol cannot only maintain the low cost of tags, but also ensure good security and reliability.