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Efficient RFID authentication protocols based on pseudorandom sequence generators

机译:基于伪随机序列生成器的高效RFID身份验证协议

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摘要

In this paper, we introduce a new class of PRSGs, called partitioned pseudorandom sequence generators(PPRSGs), and propose an RFID authentication protocol using a PPRSG, called S-protocol. Since most existing stream ciphers can be regarded as secure PPRSGs, and stream ciphers outperform other types of symmetric key primitives such as block ciphers and hash functions in terms of power, performance and gate size, S-protocol is expected to be suitable for use in highly constrained environments such as RFID systems. We present a formal proof that guarantees resistance of S-protocol to desynchronization and tag-impersonation attacks. Specifically, we reduce the availability of S-protocol to pseudorandomness of the underlying PPRSG, and the security of the protocol to the availability. Finally, we give a modification of S-protocol, called S*-protocol, that provides mutual authentication of tag and reader.
机译:在本文中,我们介绍了一种新的PRSG,称为分区伪随机序列生成器(PPRSG),并提出了一种使用PPRSG的RFID身份验证协议,称为S协议。由于大多数现有流密码可被视为安全的PPRSG,并且流密码在功率,性能和门大小方面胜过其他类型的对称密钥基元(例如,分组密码和哈希函数),因此S协议有望适合用于高度受限的环境,例如RFID系统。我们提供了一个正式的证明,可以保证S协议对不同步和标签模拟攻击具有抵抗力。具体来说,我们降低了对基础PPRSG的伪随机性使用S协议的可用性,并降低了该可用性的协议安全性。最后,我们对S协议进行了修改,称为S * -protocol,它提供了标签和读取器的相互认证。

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