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A method of equipment identification calibration

A technology for equipment identification and equipment, applied in digital transmission systems, safety communication devices, electrical components, etc., can solve problems such as equipment identification failure, achieve the effects of ensuring security, simplifying transmission protocols, and ensuring long-term effectiveness

Active Publication Date: 2019-01-29
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a method for calibrating the equipment identification of terminal equipment in the field of digital publishing, which can effectively solve the problem of invalid equipment identification

Method used

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  • A method of equipment identification calibration
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  • A method of equipment identification calibration

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Embodiment Construction

[0039] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. An embodiment is a device registration and device identification calibration process for terminal devices.

[0040] The embodiment provided by the present invention is a process in which a system user completes device registration and device identification calibration through a terminal device. Specifically include the following steps:

[0041] (1) System initialization

[0042] A large prime number p (randomly generated) is preset in the digital publishing system, and then the server searches for a set of reversible elements {α, α -1},satisfy:

[0043] α·α -1 ≡1(mod p), where α, α -1 ∈{α,α -1}

[0044] (2) Device registration application

[0045] The terminal device initiates a device registration application to the server. After receiving the registration application, the server looks for a pair of unused reversible elements α and a -...

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PUM

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Abstract

The invention discloses a method for equipment identifier calibration, and belongs to the technical field of digital copyright protection. According to the method, terminal equipment sends a self equipment index code and an equipment identifier calibration code to a server, when failure of an equipment identifier occurs, an equipment identifier calibration process is triggered, the terminal equipment sends the current equipment index code to the server, the server performs matching operation on the equipment index code, and finally the successfully matched equipment identifier calibration code is sent to the equipment so that the terminal equipment re-generates results consistent with an initial equipment identifier, long-term validity of the equipment identifier is guaranteed, and legitimate rights of users are guaranteed.

Description

technical field [0001] The invention belongs to the technical field of digital copyright protection, and relates to a device identification calibration method and device for terminal equipment, and specifically refers to a method for calibrating the equipment identification when the equipment identification becomes invalid. Background of the invention [0002] At present, with the increasing popularity of digital publishing and mobile reading, institutions, organizations and individuals centered on copyright owners urgently need or hope to protect the copyright of digital publications from infringement through appropriate legal regulations and technical means , to protect their legitimate rights and interests, therefore, Digital Rights Management (DRM for short) has become an important technology for digital content transaction and dissemination under the digital network environment. [0003] The method usually adopted in the existing DRM technology is to extract the device ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L9/08
CPCH04L9/0863H04L63/0428H04L63/0876
Inventor 崔晓瑜汤帜俞银燕
Owner PEKING UNIV