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Radio frequency tag data coding method and radio frequency tag data coding system for vehicle identification

A data encoding and radio frequency tag technology, applied in the field of radio frequency tag data encoding, can solve the problems of data encryption and calculation verification code, and achieve the effects of low cost, tamper-proof modification, and low implementation cost.

Active Publication Date: 2014-04-09
BEIJING INST OF COMP TECH & APPL
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Problems solved by technology

[0006] The purpose of the present invention is to provide a radio frequency tag data encoding method and system applied to vehicle identification, which is used to overcome the problem of directly storing the license plate number in the EPC area of ​​the RFID tag in the application of vehicle identification and unable to encrypt the data and calculate the verification code. defect

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  • Radio frequency tag data coding method and radio frequency tag data coding system for vehicle identification
  • Radio frequency tag data coding method and radio frequency tag data coding system for vehicle identification
  • Radio frequency tag data coding method and radio frequency tag data coding system for vehicle identification

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Embodiment Construction

[0046] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0047] Such as figure 1 It is a schematic diagram of a device implementing a radio frequency tag data encoding method applied to vehicle identification of the present invention.

[0048] The device 100 includes: a computer 1 , an encryption, decryption and verification code calculation device 2 , an RFID reading and writing device 3 , and an RFID tag 4 .

[0049] Computer 1 can be a personal computer (PC) of any brand. It requires a CPU with a main frequency of 1.0GHz or more, a memory of 512MB or more, a hard disk of 160GB or more, and an operating system of Microsoft Windows XP or above.

[0050] Encryption, decryption and verification code calculation device 2 can be any encryption machine, encryption card or PSAM card with functions of encryption, decryption and verification code calculatio...

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Abstract

The invention discloses a radio frequency tag data coding system and a radio frequency tag data coding method for vehicle identification. The system comprises a computer, an encryption / decryption and verification code calculation device, an RFID reading-writing device and an RFID tag. The computer divides an EPC region of the RFID tag into a data part and a verification code part and codes a license plate number; the encryption / decryption and verification code calculation device encrypts the coded license plate number data and calculates the verification code of the license plate number data; the computer concatenates the license plate number data and the verification code; the RFID reading-writing device writes the concatenation data into the EPC region; the encryption / decryption and verification code calculation device carries out decryption to obtain decryption data and calculates the verification code; and the computer compares the decrypted verification code with the verification code part of the EPC region and judges whether data in the EPC region is tampered. The defect that data encryption and verification code calculation cannot be carried out due to the fact that the license plate number is stored in the EPC region of the RFID tag in the prior art is overcome.

Description

technical field [0001] The present invention relates to a radio frequency tag data encoding method applied to vehicle identification, in particular to a method for encoding data stored in radio frequency identification tags in vehicle identification applications, encrypting the encoded data and calculating verification codes to prevent The means by which data can be learned or tampered with by unauthorized persons. Background technique [0002] RFID (Radio Frequency Identification, radio frequency identification) technology has the characteristics of fast, long-distance, multi-target, and non-line-of-sight reading items, and passive RFID tags do not require battery power and maintenance, so they are widely used in vehicle identification and other tracking The field of the item. Currently, the widely used UHF RFID tags are RFID tags that comply with the ISO / IEC 18000-6C standard. [0003] The main purpose of the RFID system of the ISO / IEC 18000-6C standard is to apply to si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K17/00
Inventor 蒋遂平张丹王颖郝敬敏张帆代合鹏
Owner BEIJING INST OF COMP TECH & APPL
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