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Title:
Cryptanalysis of two recently proposed PUF based authentication protocols for IoT: PHEMAP and Salted PHEMAP
Authors: Morteza Adeli, Nasour Bagheri
Abstract:Internet of Things(IoT) consists of a large number of interconnected coexist heterogeneous entities, including Radio-frequency identification(RFIDs) based devices and other sensors to detect and transfer various information such as temperature, personal health data, brightness, etc. Security, in particular, authentication, is one of the most important parts of information security infrastructure in IoT systems. Given that an IoT system has many resource-constrained devices, a goal could be designing a proper authentication protocol that is lightweight and can resist against various common attacks, targeting such devices. Recently, using Physical Unclonable Functions (PUF) to design lightweight authentication protocols has received a lot of attention among researchers. In this paper, we analyze two recently proposed authentication protocols based on PUF chains called PHEMAP and Salted PHEMAP. We show that these protocols are vulnerable to impersonate, desynchronization and traceability attacks.
ePrint: https://eprint.iacr.org/2019/1461
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