Reinforcement protection method, sever and system for android app

A server and Android technology, applied in the field of data security, can solve problems such as endangering users, inability to completely solve Android installation package security problems, and damage to normal application developers, so as to reduce the effect of reverse analysis

Active Publication Date: 2015-03-25
BEIJING QIHOO TECH CO LTD
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0002] The rapid development of the Android system and the rapid growth of devices have produced a large number of third-party applications. Compared with other operating systems, the open source of the Android system provides application developers with more functional interfaces. These functional interfaces are improving The scalability of the system also provides convenience for malicious software. Illegal copying, reverse engineering, decompilation, debugging, cracking, secondary packaging, memory interception and other means continue to threaten the security of the Android system, not only endangering users, but also Also cause serious damage to normal application developers
[0003] The existing reinforcement schemes for the Android software installation pa

Method used

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  • Reinforcement protection method, sever and system for android app
  • Reinforcement protection method, sever and system for android app
  • Reinforcement protection method, sever and system for android app

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Embodiment Construction

[0065] 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.

[0066] figure 1 A flow chart of a method for strengthening and protecting an Android application according to an embodiment of the present invention is shown. Such as figure 1 As shown, the method includes:

[0067] Step S110, obtaining the original Android installation package APK of the Android application.

[0068] On the Android system, an application that can be installed and run needs to be packaged into an Android install...

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Abstract

The invention discloses a reinforcement protection method, sever and system for android app. The method comprises the following steps: obtaining an initial android package APK of the android app; decompiling the initial APK, extracting protected method codes from the initial APK, and filling an extraction position with nop; encrypting the extracted protected method codes according to an appointed encryption and decryption strategy to generate a reinforcement configuration file; adding the appointed encryption and decryption strategy, the reinforcement configuration file and a reinforcement protection program into the decompiled APK, and compiling to generate a reinforcement APK of the android app. According to the technical scheme provided by the invention, protected methods can be dynamically encrypted and decrypted, and complete dex mapping does not exist in a memory at any moment, so that a complete dex file is prevented from being obtained in a memory dump manner and the probability of repacking and redistribution of the android app due to reverse analysis is greatly reduced.

Description

technical field [0001] The invention relates to the field of data security, in particular to a reinforcement protection method, server and system for Android applications. Background technique [0002] The rapid development of the Android system and the rapid growth of devices have produced a large number of third-party applications. Compared with other operating systems, the open source of the Android system provides application developers with more functional interfaces. These functional interfaces are improving The scalability of the system also provides convenience for malicious software. Illegal copying, reverse engineering, decompilation, debugging, cracking, secondary packaging, memory interception and other methods continue to threaten the security of the Android system, not only endangering users, but also It also causes serious damage to normal application developers. [0003] The existing reinforcement schemes for the Android software installation package are mai...

Claims

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Application Information

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IPC IPC(8): G06F21/55G06F9/45
CPCG06F21/14
Inventor 李伟董清
Owner BEIJING QIHOO TECH CO LTD
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