Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops)

Subject	Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops)
Newsgroups	comp.lang.c++
References	<57c02673-cd31-4e78-ba6a-14e4cc4fdeb1@googlegroups.com>
From	Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk>
Organization	Jupiter Mining Corporation
Message-ID	<FUbEF.24702$l54.21147@fx12.dcg> (permalink)
Date	2019-11-29 16:43 +0000

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On 28/11/2019 15:58, Frederick Gotham wrote:
> 
> I have two programs that I need to obfuscate.
> 
> The first one is just two source files and doesn't link with any 3rd party libraries, so I just went through the code line by line and tagged each function with "__attribute__((always_inline))". This worked fine.
> 
> The second program is more complicated. It is linked statically with a 3rd party library that I have the source code for. I could go through the code for the 3rd party library and tag each function with 'always_inline' but I'm looking for a cleaner and handier solution.
> 
> If I take the assembler for my second program, or even the binary executable file in ELF format, then I could manipulate the assembler (or machine code) in order to remove all function calls (and also unroll all loops if possible). Is there a tool for doing this?
> 
> I suppose another thing I could do is compile the 3rd party library with some sort of global setting that every function has the attribute "always_inline".

If you look up the word "obfuscation" in a thesaurus will you find that it is a synonym for the word "futile". You. Are. Doing. It. Wrong.

/Flibble

-- 
"Snakes didn't evolve, instead talking snakes with legs changed into snakes." - Rick C. Hodgin

“You won’t burn in hell. But be nice anyway.” – Ricky Gervais

“I see Atheists are fighting and killing each other again, over who doesn’t believe in any God the most. Oh, no..wait.. that never happens.” – Ricky Gervais

"Suppose it's all true, and you walk up to the pearly gates, and are confronted by God," Byrne asked on his show The Meaning of Life. "What will Stephen Fry say to him, her, or it?"
"I'd say, bone cancer in children? What's that about?" Fry replied.
"How dare you? How dare you create a world to which there is such misery that is not our fault. It's not right, it's utterly, utterly evil."
"Why should I respect a capricious, mean-minded, stupid God who creates a world that is so full of injustice and pain. That's what I would say."

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Obfuscate Assembler (Remove Function Calls, Unroll Loops) Frederick Gotham <cauldwell.thomas@gmail.com> - 2019-11-28 07:58 -0800
  Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops) "Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> - 2019-11-28 19:47 +0100
  Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops) Öö Tiib <ootiib@hot.ee> - 2019-11-28 11:19 -0800
    Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops) Frederick Gotham <cauldwell.thomas@gmail.com> - 2019-11-28 13:10 -0800
  Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops) David Brown <david.brown@hesbynett.no> - 2019-11-29 11:21 +0100
    Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops) scott@slp53.sl.home (Scott Lurndal) - 2019-11-29 17:18 +0000
      Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops) David Brown <david.brown@hesbynett.no> - 2019-11-30 12:00 +0100
        Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops) scott@slp53.sl.home (Scott Lurndal) - 2019-11-30 19:03 +0000
    Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops) Frederick Gotham <cauldwell.thomas@gmail.com> - 2019-11-29 10:58 -0800
      Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops) Vir Campestris <vir.campestris@invalid.invalid> - 2019-11-29 21:19 +0000
  Re: Obfuscate Assembler (Remove Function Calls, Unroll Loops) Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2019-11-29 16:43 +0000

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