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SO file protection method and device and android installation package reinforcement method and system

A technology of Android installation package and protection device, which is applied in the field of data security, can solve the problems of low difficulty of decompilation and inability to completely solve the security problem of Android installation package, and achieve the effect of improving security level and protecting interests

Inactive Publication Date: 2015-03-04
BEIJING QIHOO TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, due to the low difficulty of decompilation of dex files, it is easy to be easily reversed by decompilation tools. As a result, such solutions cannot completely solve the security problems faced by Android installation packages, and developers have been looking for more effective solutions.

Method used

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  • SO file protection method and device and android installation package reinforcement method and system
  • SO file protection method and device and android installation package reinforcement method and system
  • SO file protection method and device and android installation package reinforcement method and system

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Embodiment Construction

[0075] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0076] figure 1 A flow chart of a method for protecting an SO file according to an embodiment of the present invention is shown. The SO file mentioned in this application refers to the library file under linux, and the suffix is ​​.so, hence the name. The SO file is a dynamic link library file in ELF format. This type of file is dynamically loaded into the program when the program needs to run to support the running of the program...

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Abstract

The invention discloses an SO file protection method and device and an android installation package reinforcement method and system. The SO file protection method includes the steps of writing a to-be-protected SO file in a shell procedure file as code data, and protecting the SO file in the shell procedure. According to the technical scheme, by adding a shell to the SO file and protecting the SO file, the multiple protection is achieved for the SO file, an important code of an android installation package is further stored in the SO file, the reinforcement protection is achieved for the android installation package with the protected SO file as a protection object, malicious programs can be effectively prevented from conducting disassembling analysis on the SO file, the security level of the content of the SO file is improved, and the safety level of the android installation package is improved.

Description

technical field [0001] The invention relates to the field of data security, in particular to a method and a device for protecting an SO file, and a method and system for strengthening an Android installation package. Background technique [0002] The Android platform has developed rapidly and has gradually become the most popular operating system for mobile terminals. Compared with other terminal operating systems, the open Android system provides application developers with more functional interfaces. These functional interfaces improve the system scalability, but also facilitates malware. Malware such as Trojan horses targeting the Android system can be stored in the Android installation package in a disguised manner, tricking users into installing and granting certain permissions, and then performing some specific actions in the background by abusing permissions, including stealing user privacy, defrauding tariffs, etc.; Not only that, for some normal Android system appl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62
CPCG06F21/572G06F21/6218
Inventor 施华国刘敦俊杨新权
Owner BEIJING QIHOO TECH CO LTD
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