obfuscation

问题 I have an obfuscated jar which is part of a deployed application in Tomcat on my machine. The jar consists of some weird code with same variable names. I used jshrink in order to decompile the code. static private org.apache.commons.logging.Log a; private org.springframework.context.MessageSource a; private org.springframework.context.support.MessageSourceAccessor a; static private LicenseBean a; static private ThreadLocal a; private javax.servlet.ServletContext a; private String a; public

问题 Given the expression by input like 68+32 we have to evaluate without using a semicolon in our program. If it will be something inside the if or for loop? Reference : https://www.spoj.pl/problems/EXPR2/ 回答1: You can use if and the comma operator, something like this: if( expr1, expr2, expr3, ... ) {} It would be equivalent to expr1; expr2; expr3; ... To use variables without any warnings you can define a function the recieves the data types you need that you call from your main, like so: void

问题 It is straightforward for a reverse engineer to attach a graphics debugger to an OpenGL application to extract the shader source code. It is my understanding that Vulkan, on the other hand, uses SPIR-V bytecode, rather than passing plaintext shaders to the graphics API. Does SPIR-V bytecode obfuscate the shader source, or is it fairly easy to decompile? 回答1: There is an entire specification explaining, in explicit detail, the behavior of each and every SPIR-V opcode. That's kinda the opposite

问题 I'm trying to build my project obfuscated but It's not working. I get this warning: Obfuscator type (PROGUARD) is not found in obfuscator classpath, using NONE. Please use Plugins Manager to install the missing obfuscator library. I looked at the plugins option but I don't know how to add proguard. 回答1: Goto the Tools > Plugins then goto Available Plugins tab and search for Proguard you will have that listed. Tick the checkbox that follows it and press install. You can see the screenshot

问题 I have a library that will be consumed by apps. This module has interfaces and helper classes. How can I obfuscate the whole module but still allow access to all those interfaces and helper classes? I tried this: buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } Then I found myself having to do --keep on all my classes in proguard. Is there something I can add to pro guard so that I can keep all those interfaces

问题 I am building a spring mvc web application. I plan on using hibernate. I don't have much experience with obfuscating etc. What are the potential downsides to obfuscating an application? I understand that there might be issues with debugging the app, and recovering lost source code is also an issue. Are there any known issues with the actually running of the application? Can bugs be introduced? Since this is an area I am looking for general guidance, please feel free to open up any issues that

问题 I have written a program in vb.net 2008 (using .net 3.5). It's a decent size program. One part of this program is to access an online database and encrypt/decrypt files. To access db I use a hardcoded password. To encrypt/decrypt files I used a hardcoded key. No matter what I do I would need to hardcode one of the two things at least. For example: even if I store database password in an encrypted file I would need to hardcode key to decrypt it. Or vice versa. So after doing some thinking I

问题 I need to make different flavors for test libraries. Why? Well, I want project to be fully secured so I wanna minifying to be enabled all the time(even for debug build type). While making tests I'm using different classes from project, so I decided to change proguard files using flavor. It looks like something this : android { ... buildTypes { release { minifyEnabled true testProguardFile 'test-proguard-rules.pro' } debug { minifyEnabled true testProguardFile 'test-proguard-rules.pro' } } ...

问题 There are a number of obfuscation programs out there for .Net and I've tried one, my exe seems much slower when obfuscated. Do all obfuscation programs have the same effect or have I chosen a bad one? I'm hoping some are better than others, if you know of a fast one let me know. 回答1: Disclaimer: my employer is PreEmptive Solutions, the creator of the Dotfuscator .NET obfuscator. It can depend on the obfuscator you use and the options you enable in it. I am going to speak from experience with

问题 My app works fine before obfuscation but when I enable proguard I get the following error: 2013-05-02 13:43:58.772 E 30138/AndroidRuntime: FATAL EXCEPTION: main java.lang.NumberFormatException: Invalid long: "0.20" at java.lang.Long.invalidLong(Long.java:125) at java.lang.Long.parse(Long.java:362) at java.lang.Long.parseLong(Long.java:353) at java.lang.Long.parseLong(Long.java:319) at com.sourcetone.data.model.Station.long getId()(SourceFile:195) at com.sourcetone.STStationListFragment.void