Authentication method for multi-owner RFID tags

Abstract

The invention discloses an authentication method for a multi-owner lightweight RFID tag, and mainly solves the problems of information interaction and resource consumption in the process of authenticating ownership of the tag by multiple owners in radio frequency recognition RFID authentication. The scheme comprises the following steps: 1) initializing protocol parameters; 2) the reader sends identity information to the label; 3) the electronic tag authenticates the reader, and judges whether the sub-key weight contained in the reader reaches a threshold value or not; 4) the rear-end databasereceives the judgment information of the tag and compares the judgment information with self-stored information to authenticate the electronic tag; 5) the label recovers the secret key, compares the secret key and authenticates the back-end database; according to the key sharing method adopted by the invention, the key can be recovered when the weight of the received sub-key reaches a threshold value, so that the protocol is simplified, the information interaction is reduced, the communication safety is ensured, and the key sharing method can be better suitable for a multi-owner RFID authentication system.

Description

technical field [0001] The invention belongs to the technical field of information processing, and further relates to an authentication method for multi-owner RFID tags in the technical field of information security. It can be used for multi-owner authentication of tags in radio frequency identification (RFID) systems. Background technique [0002] Radio frequency identification (RFID) technology is a wireless communication technology that can identify targets and read data without physical contact. Because radio frequency identification RFID technology has non-contact, no visibility, convenience, rapid identification, It has the advantages of being able to identify multiple tags at one time, so it has broad application prospects in many fields such as transportation, logistics, medical treatment, and production. The traditional radio frequency identification system mainly includes three parts: electronic tags, readers, and background servers. [0003] Tong Jiaqing and oth...

AI Technical Summary

Problems solved by technology

The above two documents are authentication methods for single-owner RFID tags, but during the life of the tag, the tag is usually attached to the object and will experience multiple owners, and the weight of these owners will also change. Therefore, the authentication of multi-owner RFID tags has important practical significance

[0004] Gan Yong and others proposed the authentication process of the original owner and the tag in the "Dynamic Transfer Protocol of Multi-Owner RFID Tag Ownership with TTP Weight" published in the Journal of Light Industry in 2018. The authentication process adopts the secret sharing threshold scheme management The key management key reduces the information interaction, and the trusted third-party communication protocol TTP (Time-Triggered Protocol) is used to recover the key. However, in the authentication protocol, due to cost considerations, the method of introducing a third-party TTP is not very good. good choice

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