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Ultra-lightweight RFID mutual authentication method

A two-way authentication, ultra-lightweight technology, applied in the field of ultra-lightweight RFID two-way authentication, can solve the problems of asynchronous attacks, full leakage attacks, asynchronous attacks, security risks, etc., to resist asynchronous attacks and Effects of Replay Attacks, Guaranteed Differentiation, Guaranteed Forward Security

Active Publication Date: 2014-04-09
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ultra-lightweight authentication protocol ensures that the resources used by the label side for the authentication process are few, but the current ultra-lightweight authentication protocols, such as: UMAP protocol family, SASI protocol, Gossamer protocol, RAPP protocol, etc., all have security risks
(1) The UMAP protocol family, through active attack methods such as interception and tampering of publicly transmitted data during the protocol authentication process, will cause asynchronous attacks and full-leakage attacks
(2) The SASI protocol will be broken by the untraceability model and is not untraceable
(3) The Gossamer protocol has security risks of asynchronous updates
(4) The RAPP protocol will be subject to asynchronous attacks and full leak attacks

Method used

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  • Ultra-lightweight RFID mutual authentication method

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Embodiment Construction

[0051] Below in conjunction with accompanying drawing, the technical scheme of invention is described in detail:

[0052] The bitwise operation RR(X, Y) involved in the present invention is aimed at hiding secret data, and after negating X, the displacement operation is performed on the negated X according to the displacement number determined by Y. Two examples of bitwise operation RR(X, Y) that can be used in the present invention are given below.

[0053] (1) Bitwise operation RR(X, Y): record the bit number n of each bit of Y with a value of 1 1 ,n 2 ,...,n k , compare the operand X with the recorded bit number n 1 ,n 2 ,...,n k Corresponding bit ,..., To invert the value, remember that the operand X after bitwise inversion is X’:

[0054] X'=Reverse(X,Y);

[0055] Then use the value of the operand Y modulo its data length as the number of left shift digits, and perform a left shift operation on X':

[0056] RR(X,Y)=Rot(X',Y).

[0057] Take two 8bit data X=001...

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Abstract

The invention discloses an ultra-lightweight RFID mutual authentication method, and belongs to the technical field of RFID. With a negation cyclic displacement operation processing tag and data stored by a rear-end database, secret data are greatly hidden. According to the authentication method, tag authentication is firstly performed, then a stage of mutual authentication is performed, and information stored by a reader-writer and an electronic tag is updated after success of mutual authentication so that forward security is guaranteed. New and old authentication information stored by the electronic tag is combined with resistance replay aggression data M which are designed in the authentication process by utilizing secret key information of the new and old authentication information so that non-synchronous aggression and replay aggression are effectively resisted.

Description

technical field [0001] The invention discloses an ultra-lightweight RFID bidirectional authentication method, which belongs to the technical field of RFID. Background technique [0002] Radio Frequency Identification (RFID, Radio Frequency Identification) is a technology that identifies specific targets through radio signals and can read and write related data. In the identification process, RFID technology does not require artificial visual perception, has a long identification distance, and has a strong ability to adapt to harsh working environments. At present, RFID technology is widely used in a wide range of fields, such as electronic passports and logistics management. [0003] A typical RFID system consists of three parts: electronic tags, readers and back-end databases. In the field of RFID authentication protocol research, it is considered that the channel between the reader and the back-end database is safe. Due to the characteristics of wireless transmission, t...

Claims

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Application Information

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IPC IPC(8): H04L9/32G06K17/00
Inventor 秦小麟王超刘亚丽
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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