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Zero-permission mobile device identification method based on browser fingerprint similarity

A technology for mobile device identification and browser fingerprinting, which is applied in character and pattern recognition, acquisition/organization of fingerprints/palmprints, instruments, etc., can solve problems such as unrecognizable fingerprints, and achieve good feasibility results

Inactive Publication Date: 2017-07-14
FUJIAN NORCA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, upgrading the browser version, installing new fonts and other operations will change the fingerprint feature information, and the static matching method cannot identify fingerprints from the same device after the feature information changes

Method used

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  • Zero-permission mobile device identification method based on browser fingerprint similarity
  • Zero-permission mobile device identification method based on browser fingerprint similarity
  • Zero-permission mobile device identification method based on browser fingerprint similarity

Examples

Experimental program
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Embodiment Construction

[0035] The technical solution of the present invention will be specifically described below in conjunction with the accompanying drawings.

[0036] In this embodiment, different from unique identifiers such as IMEI and UUID, there is a certain probability that the feature information collected through the website has the same attribute value on different devices. Generally, a single feature information cannot uniquely identify a device, but each feature The information has different information entropy, select the characteristic information that contains enough bit information entropy, and the fingerprint generated by combination can identify a device. After studying the acquisition method of this kind of information and the information entropy between the information, the information shown in Table 1 is selected and combined to form the device fingerprint. Among them, the Canvas fingerprint method was first proposed by Mowery et al., and the difference data of image rendering...

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Abstract

The invention relates to a zero-permission mobile device identification method based on browser fingerprint similarity. An equipment fingerprint is formed by means of 11 equipment hardware and software configuration messages of the UserAgent, the PixelRatio and the screen resolution and the like, and the fingerprint characteristic information similarity calculating method is defined in a classified manner in dependence on different characteristics of information. Fingerprint matching device identification is carried out based on a fingerprint similarity method, when a user upgrades a browser and modifies the default language and the like, and the fingerprint characteristic information is changed, a returning device is identified by calculating similarity between fingerprint characteristic information. The zero-permission mobile device identification method based on the browser fingerprint similarity is relatively-good in accuracy and robustness.

Description

technical field [0001] The invention relates to mobile device identification in the fields of security authentication, access control, etc., in particular to a zero-authority mobile device identification method based on browser fingerprint similarity. Background technique [0002] International Data Corporation (IDC) predicts that global smartphone shipments will grow by 4.4% in 2017, reaching 1.53 billion units and growing to 1.77 billion in 2021. With the development of computer technology and the popularization of mobile devices, more and more information interactions are performed on the Internet through mobile devices. Mobile device identification technology plays an important role in mobile device network security, such as avoiding spoofing attacks. In addition, this technology is also widely used in the fields of precise advertisement placement and access control. A statistical study by Han et al. at the University of Washington found that identification and trackin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/32G06K9/00
CPCG06F21/32G06V40/1347G06V40/1365
Inventor 陈明志康年华冯映燕郑绍华林伟宁刘川葆李光耀
Owner FUJIAN NORCA TECH
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