Physical unclonability-based RFID lightweight class authentication method

A lightweight authentication and physical technology, applied in the field of communication, can solve the problems of privacy protection such as forward security, unable to resist replay attacks, large hardware requirements, etc., to achieve efficiency and security, low cost, and hardware requirements. small effect

Inactive Publication Date: 2014-10-22
GUANGZHOU ZHONGCHANG KANGDA INFORMATION TECH +1
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AI Technical Summary

Problems solved by technology

The RFID lightweight authentication method in the traditional solution requires relatively large hardware in order to achieve a certain level of security.
However, some PUF-based protocols currently proposed have relatively few hardware requirements, but most of them have various problems, such as inability to resist replay attacks, counterfeit attacks, message blocking attacks, and synchronization attacks. privacy protection

Method used

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  • Physical unclonability-based RFID lightweight class authentication method
  • Physical unclonability-based RFID lightweight class authentication method

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] Such as figure 1 and figure 2 As shown, the RFID lightweight authentication methods based on physical unclonability include:

[0025] S1: The reader sends an authentication request REQ to the tag.

[0026] S2: The tag receives the authentication request REQ, and sends the tag's quick query ID IDS' to the reader.

[0027] It should be noted that the tag stores its own information tuple (IDS', ID', G n ’), a tag corresponds to a unique information tuple; the information tuple (IDS, ID, G n , G n+1 ), one reader can correspond to information tuples of multiple legal tags.

[0028] At the same time, the PUF module P and LFSR module F are integrated in the tag, which can perform XOR operation. The same LFSR module F as the tag is integrated in the reader...

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Abstract

The invention discloses a physical unclonability-based RFID lightweight class authentication method, uses a PUF, a linear feedback shift register (LFSR), and XOR operation to perform processing, a label has small hardware requirements, cost is relatively low, the operation amount is small, and the method is resistant to various attacks including replay attack, impersonation attack, message stop attack, synchronization attack, wiretapping attack, physical attack, and label cloning, thereby effectively realizing forward security, and protecting privacy of a user. At the same time, through bidirectional authentication between a label and a reader, balance between efficiency and security is realized, hardware cost is well given consideration to, and thus the method is suitable for use of lowcost labels, and has relatively large practicability.

Description

technical field [0001] The invention relates to the communication field, in particular to an RFID lightweight authentication method based on physical unclonability. Background technique [0002] A PUF (Physical Unclonable Function) is a set of miniature delay circuits that generate an unpredictable response when it accepts an input, using random differences in its inevitable inherent physical structure. Since the differences produced by lithography, doping and other links in the manufacturing process of PUF chips are inherently inimitable and replicable, even chip manufacturers cannot replicate exactly the same PUF chips. [0003] LFSR (Linear Feedback Shift Register) is a mechanism used to generate a binary sequence. It consists of a shift register and an XOR unit. The number of general gate circuits is 300. [0004] RFID (Radio Frequency Identification) is an automatic identification technology that uses radio frequency signals or spatial coupling and reflection transmiss...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K7/00
Inventor 江枚元柳毅易瑰然钟奇王逸欣
Owner GUANGZHOU ZHONGCHANG KANGDA INFORMATION TECH
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