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首页> 外文期刊>Dependable and Secure Computing, IEEE Transactions on >Cryptanalysis of a New Ultralightweight RFID Authentication Protocolȁ4;SASI
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Cryptanalysis of a New Ultralightweight RFID Authentication Protocolȁ4;SASI

机译:一种新的超轻型RFID身份验证协议ȁ4; SASI的密码分析

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摘要

Since RFID tags are ubiquitous and at times even oblivious to the human user, all modern RFID protocols are designed to resist tracking so that the location privacy of the human RFID user is not violated. Another design criterion for RFIDs is the low computational effort required for tags, in view that most tags are passive devices that derive power from an RFID reader's signals. Along this vein, a class of ultralightweight RFID authentication protocols has been designed, which uses only the most basic bitwise and arithmetic operations like exclusive-OR, OR, addition, rotation, and so forth. In this paper, we analyze the security of the SASI protocol, a recently proposed ultralightweight RFID protocol with better claimed security than earlier protocols. We show that SASI does not achieve resistance to tracking, which is one of its design objectives.
机译:由于RFID标签无处不在,有时甚至不为人类用户所知,因此所有现代RFID协议都被设计为可以抵抗跟踪,从而不会侵犯人类RFID用户的位置隐私。 RFID的另一个设计标准是标签所需的计算量低,因为大多数标签都是无源设备,它们可以从RFID阅读器的信号中获取能量。沿着这种思路,已经设计了一类超轻量级RFID身份验证协议,该协议仅使用最基本的按位和算术运算,例如异或,或,加法,旋转等。在本文中,我们分析了SASI协议的安全性,SASI协议是一种最近提出的超轻型RFID协议,具有比早期协议更好的声明安全性。我们证明SASI不能达到抗跟踪能力,这是其设计目标之一。

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