RFID ownership transferring method

A transfer method and RFID tag technology, applied in the field of radio frequency identification, can solve problems such as cumbersome management, security loopholes, and difficulty in implementation

Active Publication Date: 2016-07-27
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Problems solved by technology

[0006] However, for Patent Document 1, there is the problem of exhaustive search (when searching for the tag identification code, it is necessary to search exhaustively in the back-end database), Patent Document 2 not only requires the server to assign a pair of keys for each tag, but also has In addition, the storage key needs to occupy a large amount of space, and the algorithm for maintaining the key synchronization between the server and the tag is extremely complex and difficult to implement. This problem is particularly prominent when the syst

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Embodiment Construction

[0040] In order to further illustrate the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, features, and effects of the present invention will be described in detail below with reference to the drawings and preferred embodiments.

[0041] The following embodiments of the present invention provide a secure and lightweight RFID ownership transfer method based on identification passwords. The implementation process involves the following five roles, specifically: Trusted Third Party (TrustedThirdParty, Ttp for short): responsible for accessing certificates The management system provides privacy protection for the system, and provides fairness and arbitration mechanism for the transfer of RFID tags; Maker: refers to the manufacturer of the RFID reader and RFID tag; Owner: refers to the ownership of the RFID reader People; RFID reader (Reader): refers to the device for reading and writing RFID...

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Abstract

The invention relates to an RFID ownership transferring method. The method comprises the steps that a first RFID reader receives an ownership transferring instruction of a trusted third party; according to the ownership transferring instruction, the first secret data of an RFID tag is decrypted by using the private key to acquire original secret data, wherein the RFID tag belongs to a first RFID reader; according to the public key of a second RFID reader, the original secret data is encrypted to form second secret data, and the second secret data are stored in the RFID tag; the digital signature of the RFID tag is set to be empty, and the owner public key of the RFID tag is changed to the public key of the second RFID reader from the first RFID reader. According to the invention, a digital certificate is not adopted; through conscientious RFID tag transferring two-party negotiation, a trusted third party arbitration mechanism is introduced; and the safety and the operation efficiency of RFID ownership transferring are improved.

Description

Technical field [0001] The invention relates to the field of radio frequency identification technology, and particularly relates to an RFID ownership transfer method. Background technique [0002] Radio Frequency Identification (RFID) is a non-contact automatic identification technology. It automatically recognizes the target object and obtains related data through radio frequency signals. The identification work does not require human intervention. As a wireless version of the barcode, RFID technology has the advantages of barcodes. It has the advantages of waterproof, anti-magnetic, high temperature resistance, long service life, large reading distance, encryption of data on the label, larger storage data capacity, and free change of stored information. Its application will bring revolution to retail, logistics and other industries. Variety. [0003] In 1984, Shamir proposed a new cryptosystem, an identity-based public key cryptosystem. Its main feature is that under this crypto...

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Application Information

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IPC IPC(8): H04L9/30G06K17/00
Inventor张庆胜
OwnerAEROSPACE INFORMATION