Lightweight RFID group label authentication method based on cloud database

An authentication method and database technology, applied in the cloud database-based lightweight RFID group tag authentication, RFID system field, can solve the problem of out-of-sync key update

Active Publication Date: 2017-08-01
XIDIAN UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects in the above-mentioned prior art, and propose a lightweight RFID group tag authentication method based on cloud database,

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  • Lightweight RFID group label authentication method based on cloud database

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Embodiment Construction

[0061] The present invention will be further described in detail below in conjunction with the drawings.

[0062] Reference figure 1 , A lightweight RFID group tag authentication method based on cloud database includes the following steps:

[0063] Step 1, data initialization:

[0064] Register the reader's identity, the identity of the group tag to be authenticated, and the old and new key pair {Kg c new , Kg c old } And its hash value The product information, symmetric key k and variable X corresponding to the group label to be authenticated are stored in the cloud database, where Kg c new Represents the new shared key, Kg c old Represents the old shared key, Represents the hash value of the new shared key, Represents the hash value of the old shared key, c represents the cloud database, and X represents a variable used to store the decryption key of the cloud database when the key update is not synchronized;

[0065] ID of the reader r , To be authenticated group label identi...

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Abstract

The invention provides a lightweight RFID group label authentication method based on a cloud database, aiming at solving the technical problem that a shared key of the cloud database and a group label to be authenticated has update desynchronization and increasing the efficiency and accuracy of authentication at the same time. The method comprises the following implementation steps: (1) a reader broadcasts an authentication request to a group label to be authenticated; (2) the group label to be authenticated gives a response, and the reader forwards the response to the cloud database; (3) the cloud database verifies the identities of the reader and the group label to be authenticated; (4) the cloud database eliminates illegal invalid labels and sends the legal label information to the group label to be authenticated; (5) the group label to be authenticated authenticates the cloud database; (6), the group label to be authenticated eliminates the illegal invalid labels; (7) the cloud database updates the shared key; and (8) the authenticated group label updates the shared key and verifies a key authentication message. According to the lightweight RFID group label authentication method provided by the invention, the two-way authentication between the cloud database and the group label to be authenticated can be realized, and high safety can be achieved.

Description

Technical field [0001] The invention belongs to the field of communication technology, and relates to a lightweight RFID group tag authentication method, in particular to a lightweight RFID group tag authentication method based on a cloud database, which can be used in an RFID system with low-cost requirements. Background technique [0002] Radio Frequency Identification (RFID) technology refers to radio frequency identification, a non-contact automatic identification technology, which is mainly used in logistics management, access control systems, automatic toll collection of roads and bridges, and library book classification and management And so on. The traditional RFID system mainly includes three parts: electronic tag, reader and back-end server. [0003] The back-end server and reader of the traditional RFID authentication scheme are connected by a wired channel. Although this connection method improves system security, the working capacity of the back-end database is small....

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Application Information

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IPC IPC(8): H04L9/32H04L9/12H04L9/08
Inventor 董庆宽李璐璐陈萌萌陈原曾敏王旭枫张文博
Owner XIDIAN UNIV
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