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kandi X-RAY | java-decompiler.github.io Summary
kandi X-RAY | java-decompiler.github.io Summary
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QUESTION
I found out that an executable jar file can be decompiled to retrieve the original source code using Java Decompiler, which allows decompiling and browsing the source with the JD-GUI.
I'm trying to obfuscate a jar file to protect it from retrieving the original source code.
I have tried proguard but sounds a little bit time consuming!! I then tried IntelliGuard 2 plugin but there was no information about what proguard and yguard and how to use them!!
I read some resources that I need to generate an Ant build file for proguard or yguard to be able to obfuscate the jar file. Then I stuck a little bit on generating a jar file to obfuscate.
Is there an easy and straightforward way to generate a jar and obfuscate it?
...ANSWER
Answered 2021-Mar-25 at 14:42I have been trying to obfuscate a jar file to protect it from retrieving the original source code.
Obfuscation in Intellij requires IntelliGuard 2 plugin and yuguard 3.0.0 (preferably yguard-bundle-3.0.0.zip).
The obfuscation process :
Generate Module out of the project: File --> project settings --> Modules ( + new module and set proper out path)
Generate jar file using Artifacts: File --> project settings --> Artifacts ( + JAR and naming configuration)
Obfuscate the jar file: File --> project settings --> Facets( + Obfuscation ), then choose the path to ygurad-bundle/lib/yuguard.jar, and choose the main class. See illustrating image below:
Afterward, build Artifacts (build--> build Artifacts), then Obfuscate the jar file ( build--> obfuscate jar, then choose the input jar and the output obfuscated jar).
I couldn't find another way or resource to follow and do it the easy way, so I decided to share my experience.
QUESTION
I am using JsfCaptcha in an attempt to process offline captcha validation. While there is a method to validate "what the user entered matches what the captcha image has shown", I am having a hard time actually printing out what the server states is the right solution. I anticipated this being fairly easy to complete, but for the life of me, cannot figure it out. Here is how I am using the library:
...ANSWER
Answered 2019-Apr-03 at 18:02I finally managed to solve the problem with javassist, by modifying the generated bytecode of the Botdetect library. I did this because I was unable to find any getter method for accessing the actual captcha solution. Obviously, this is not a clean solution, but it is a solution given that you just want to debug your code to determine why the code you entered does not match the code that the backend server has. For now, I'll consider this as a solution until there is a cleaner alternative requiring no bytecode manipulation. Here are the details on the version that I played with and got this to work:
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