Ultra-lightweight RFID bidirectional authentication method based on label ID

A two-way authentication, ultra-lightweight technology, applied in the field of radio frequency identification, can solve the problems of increased implementation cost, increased label cost, security defects, etc., to achieve the effect of reducing introduction and storage, reducing storage costs, and reducing label costs

A two-way authentication, ultra-lightweight technology, applied in the field of radio frequency identification, can solve the problems of increased implementation cost, increased label cost, security defects, etc., to achieve the effect of reducing introduction and storage, reducing storage costs, and reducing label costs

CN105530263AActive Publication Date: 2016-04-27GUANGDONG UNIV OF TECH
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  • Ultra-lightweight RFID bidirectional authentication method based on label ID
  • Ultra-lightweight RFID bidirectional authentication method based on label ID
  • Ultra-lightweight RFID bidirectional authentication method based on label ID

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0042] This embodiment is based on the ultra-lightweight RFID two-way authentication method of tag ID, and its process is as follows figure 1 shown, including the following steps:

[0043] In the first step, the reader sends an authentication request command to the tag; for example, the string "Hello" is sent as the authentication request command;

[0044] In the second step, the tag sends the value ID_L of the first half of the identifier to the reader after receiving the authentication request command; the value ID_L of the first half of the identifier refers to the first half of the identifier ID stored in the tag;

[0045] In the third step, the reader judges whether the first half value ID_L of the received identifier has the same value in the stored data:

[0046] If it does not exist, it is judged that the label is forged, and the authentication ends;

[0047] If it exists, the reader calls the identifier ID' corresponding to the first half of the identifier ID_L, the s...

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Abstract

The invention provides an ultra-lightweight RFID bidirectional authentication method based on a label ID. A bit operation method and a cyclic check code method are used for encrypting transmission information, so that the operation quantity of a label and a reader-writer is reduced, a communication protocol can reach an ultra-lightweight level, and the authentication time is shortened; the reader-writer generates a random number, so the cost of the label can be reduced; unique identifier information of the shared label of the label and the reader-writer is fully used to reduce the introduction and storage of the information; the reader-writer calculates a new shared key and transmits the new shared key to the label via simple encryption, and the label only needs to carry out simple xor operation to obtain the new shared key, so the operation quantity of the label is reduced; and the information transmitted between the label and the reader-writer is transmitted after being encrypted, so that an attacker is unlikely to obtain effective information, and thus the security performance can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of radio frequency identification, and more specifically, relates to an ultra-lightweight RFID bidirectional authentication method based on a tag ID. Background technique [0002] RFID (Radio Frequency Identification, Radio Frequency Identification) is a non-contact technology that automatically identifies people or objects without physical contact or any other visible contact. Today, RFID systems are widely used in supply chain management occasions, digital library management occasions, anti-counterfeiting electronic passport systems, and even building intelligent ad hoc network environments and so on. [0003] The RFID system includes three parts: the back-end database, the reader and the label. The communication channel between the back-end database and the reader is generally considered to be safe and reliable; the channel between the reader and the tag is exposed to the air, and it is very easy to be m...

Claims

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Application Information

Patent Timeline
27 Apr 2016
Publication
CN105530263A
IPC
H04L29/06; H04L9/32; H04L9/08
CPC
H04L9/085; H04L9/0891; H04L9/32; H04L63/0807
Inventors
凌捷; 刘道微