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Encrypting method and encrypting system for preventing reverse decrypting of app (application)

An encryption method and encryption system technology, which is applied in the field of anti-reverse cracking encryption and encryption system for app applications, can solve problems such as app cracking, and achieve the effects of raising the technical threshold, protecting security, and preventing reverse cracking

Inactive Publication Date: 2016-08-24
SHANGHAI CTRIP COMMERCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide an encryption method and encryption system for anti-reverse cracking of app applications in order to overcome the defect that apps in the prior art are easily cracked by simple reverse technology

Method used

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  • Encrypting method and encrypting system for preventing reverse decrypting of app (application)
  • Encrypting method and encrypting system for preventing reverse decrypting of app (application)

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Embodiment Construction

[0030] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.

[0031] Such as figure 1 As shown, the anti-reverse cracking encryption method of the app application of the present invention comprises the following steps:

[0032] Step 101, decode the app application to generate smali code;

[0033] In step 101, system key codes will be added to modify the entry function;

[0034] Step 102, encrypting the smali code to generate encrypted smali code;

[0035] In step 102, the protection code is also embedded in the smali code;

[0036] Step 103, repackage the encrypted smali code into an app application.

[0037] Specifically, in step 101, the apktool tool can be used to decode the app application, and in step 103, the encrypted smali code can also be repackaged by the apktool tool. In the specific implementation process of the present invention, the app application is preferably an app...

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Abstract

The invention discloses an encrypting method and an encrypting system for preventing reverse decrypting of an app (application). The encrypting method comprises the following steps of S1, decoding the app to generate a smali code; S2, encrypting the smali code to generate an encrypted smali code; S3, repacking the encrypted smali code to generate the app. The encrypting method has the advantages that by encrypting the code of the app, the reverse decrypting of the app is prevented, the safety of the existing app is protected, and the technical threshold for analyzing the app is increased.

Description

technical field [0001] The invention relates to an encryption method and an encryption system for anti-reverse cracking of app applications. Background technique [0002] The existing app (application program) market is very chaotic, and hackers can analyze the behavior of the app through simple reverse technology and then pose a serious threat to the app. In the prior art, developers generally protect their apps by means of code obfuscation, but hackers can still find clues for reverse cracking. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an encryption method and encryption system for anti-reverse cracking of app applications in order to overcome the defect that apps are easily cracked by simple reverse technology in the prior art. [0004] The present invention solves the above technical problems through the following technical solutions: [0005] The invention provides an encryption method for anti-rever...

Claims

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Application Information

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IPC IPC(8): G06F21/14
CPCG06F21/14
Inventor 张亮
Owner SHANGHAI CTRIP COMMERCE CO LTD
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