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Can machine code be decompiled?
RetDec is a machine-code decompiler, which means it only supports the decompilation of programs executing native processor code (e.g. for Intel x86). A machine-code decompiler is thus unable to decompile bytecode (e.g. . NET, Python, Java).
Is C# easy to decompile?
C# is inherently easier to decompile into source code because it contains meta-data and most C# code must comply with a set of rules called “verifiable code”. Decompilers take advantage of the adherence to these rules along with attached metadata to make decompilation much better than equivalent C++ decompilers.
Is Apktool legal?
5 Answers. Decompiling is absolutely LEGAL, regardless of what the shills say. At most, you can be sued for unauthorized activity relating to software unless you’re redistributing it.
Why is there a Python compiler to native machine code?
This is problematic because Python has eval and metaclasses. Both which make it possible to change the structure of the program based on the input of the program. This is one of the things that give Python such expressive power. Infer the types of all variables, structures and classes from the source code itself.
Why is it so easy to decompile Java code?
By contrast, native languages like C++ do not include any metadata at all, so the decompiler needs to reconstruct everything. Java is compiled into an intermediate form, JVM bytecode, that retains a large amount of the information contained in the original Java code.
Why is machine code cannot be convertible back to original source code?
The reason why machine code cannot be easily convertible back to the original source code is that a lot of information is lost during compilation. Methods and non-exported classes can be inlined, local variable names are lost, file names and structures are lost entirely, compilers can make non-obvious optimizations.
Is it possible to decompile a C program?
C and C++ get compiled into native machine code, and is difficult to “decompile”. But someone with the correct skillset could be able to reverse engineer it anyway. Edit: Note that obfuscation will not make it harder to decompile the byte code – it will be just as easy, but the code will be harder to make any sense of.