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A method and device for reasoning Android application permissions based on user comments

A technology for user comments and application permissions, applied in the field of information security, can solve the problems of semantic limitations of description information, description information can not fully reflect application functional characteristics, inconsistent application description information style, etc., and achieve the effect of low false positive rate.

Active Publication Date: 2020-03-10
WUHAN UNIV
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AI Technical Summary

Problems solved by technology

Since application description information is usually released and provided by developers, the styles of application description information provided by different developers are inconsistent, and these description information usually reflect some highlights of application functions, which will lead to certain differences in application description information. Semantic limitations and other issues, the description information of the application cannot fully reflect the functional characteristics of the application, which will also cause many deficiencies in using the description information of the application to infer the permissions of the application

Method used

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  • A method and device for reasoning Android application permissions based on user comments
  • A method and device for reasoning Android application permissions based on user comments
  • A method and device for reasoning Android application permissions based on user comments

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Embodiment

[0059] The data of user comments is a real experience and understanding of the application behavior of the user in the process of using the application, and to some extent truly reflects the user's perception and understanding of the application behavior. The invention uses natural language processing technology to dig out the functional features of the application from user comments, uses a topic model to model the functions and application permissions of the application program, and realizes the mapping from user comments to application permissions.

[0060] The present invention obtains the functional characteristics of the application by analyzing the application description information on the application market, and uses these functional characteristics to filter user comments related to functions. Since the statistical characteristics of the semantics of user comments describing different functional characteristics are not the same, the topic model Unsupervised clustering...

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Abstract

The invention relates to an application permission inference method and device, in particular to an Android application permission inference method and device based on user comments and belongs to the technical field of information safety. According to the method and the device, functional characteristics of an application program are mined from the user comments of an application market, the relation between the functional characteristics of the application program and application program permission is established, and the permission requirement of the application program is inferred from the points of application program function understanding of the user and application program attention of the user.

Description

technical field [0001] The invention relates to an application authority reasoning method and device, belonging to the technical field of information security, in particular to an Android application authority reasoning method and device based on user comments. Background technique [0002] According to IDC statistics, the number of mobile devices has exceeded that of PC devices. Some mobile application markets, such as Google Play, have more than one million applications. A large number of applications, while providing users with more application choices, also brings a series of security problems. Especially on the Android platform, a report by IDC shows that 97% of the world's mobile phone malware comes from Android. Among these malicious software, nearly one-third of the malicious software achieves the purpose of stealing user privacy by applying for security permissions that exceed the requirements of the application functions. This type of malware is called "privilege ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/50G06F40/289G06F16/35
CPCG06F16/35G06F21/50G06F40/289
Inventor 王丽娜汪润唐奔宵赵磊王志波
Owner WUHAN UNIV
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