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Radio frequency identification system, radio frequency identification method and reader

A radio frequency identification system and reader technology, applied in the field of radio frequency identification, can solve problems such as security risks, and achieve the effect of guaranteeing exclusivity, ensuring privacy, and improving service life

Active Publication Date: 2011-05-18
ZTE INTELLIGENT IOT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, even if the electronic tags in the prior art store ciphertext, there are still certain potential safety hazards

Method used

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  • Radio frequency identification system, radio frequency identification method and reader
  • Radio frequency identification system, radio frequency identification method and reader
  • Radio frequency identification system, radio frequency identification method and reader

Examples

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Embodiment Construction

[0050] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0051] Such as figure 2 Shown is a schematic structural diagram of a radio frequency identification system according to an embodiment of the present invention. The radio frequency identification system may be a passive UHF radio frequency identification system, a passive non-UHF radio frequency identification system or an active radio frequency identification system.

[0052]The radio frequency identification system includes a reader 100 and an electronic tag 200, and the electronic tag 200 stores a first random number and first ciphertext data obtained by encrypting tag data with the first random number and a system key The tag data of the electronic tag 200 is used to identify the target object to which the electronic tag 200 is attached, for example, the tag data may be the license plate number of the...

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Abstract

The invention provides a radio frequency identification system, a radio frequency identification method and a reader. The radio frequency identification system comprises an electronic tag and a reader, wherein the electronic tag is used for storing a first random number and a first cipher text datum which is obtained by ciphering a tag datum by using the first random number and a cipher of the radio frequency identification system, and the reader is used for reading the first random number and the first cipher text datum which are stored in the electronic tag, deciphering the first cipher text datum by suing the first random number and the cipher of the radio frequency identification system to obtain a tag datum, generating a second random number, ciphering the tag datum by using the second random number and the cipher of the radio frequency identification system to obtain a second cipher text datum, and writing the second random number and the second cipher text datum into the electronic tag. The invention can effectively guarantee the safety of the information of the electronic tag.

Description

technical field [0001] The invention relates to the technical field of radio frequency identification, in particular to a radio frequency identification system, a reader and a radio frequency identification method. Background technique [0002] Passive UHF RFID system has the advantages of non-contact, long working distance, suitable for harsh environments, and can identify moving targets. Therefore, it is widely used in logistics, traffic management and other fields. The passive UHF radio frequency identification system consists of a reader and an electronic tag. The electronic tag is attached to the target object and is used to store the tag data that identifies the target object. The reader is used to read and write the tag data stored in the electronic tag to identify target object. Such as figure 1 Shown is a schematic diagram of the working principle of the passive UHF radio frequency identification system in the prior art. The reader initiates an operation command s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K7/00G06K19/073
Inventor 曾祥希杨峰金磊
Owner ZTE INTELLIGENT IOT TECH
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