I am trying to obfuscate a Dot Net Core application but I am having no success. I am using ConfuserEx, managed to get it to work with a Net Framework, but no luck when trying it out with a Net Core Console Application or Net Core DLL.
I get the error:
Object reference not set to an instance of an object.
Did anyone managed to obfuscate a Net Core application? If not is there any other tool that can do it?
You can try Obfuscar. Its free and open source.
Binaries can be loaded at https://www.nuget.org/packages/Obfuscar/
Project sample:
<Obfuscator>
<Var name="InPath" value=".\" />
<Var name="OutPath" value=".\output" />
<Var name="HideStrings" value="true" />
<Var name="UseKoreanNames" value="true" />
<Var name="ReuseNames" value="true" />
<Var name="RenameFields" value="true" />
<Var name="RenameProperties" value="true" />
<Var name="RenameEvents" value="true" />
<Var name="OptimizeMethods" value="true" />
<Var name="SuppressIldasm" value="true" />
<Var name="KeepPublicApi" value="false" />
<Var name="HidePrivateApi" value="true" />
<Module file="$(InPath)\YourApplication.dll" />
</Obfuscator>
Running obfuscation:
Obfuscar.Console.exe your_project.xml
I saw this error when I tried to obfuscate EXE file. DLLs do not yield this error.
But I need to add that at the moment ConfuserEx does not really support .NET Core assemblies, because it does not handle metapackages; all dependent assemblies must be explicitly specified in the main DLL, which makes it quite a hassle.