Re: Class-Dump Protection??

FROM : Olivier Lanctôt
DATE : Thu Apr 28 20:25:52 2005

It is not only overly complicated, but totally useless, unless your
program reall, really, REALLY needs to be ultra-secure (e.g.: so
thatusers cannot override functions via InputManagers...) But anyway,
the C function could probably be hacked too.

On 4/27/05, Justin Spahr-Summers <justin.<email_removed>> wrote:
> One answer: You can't. Everything is created at runtime (that includes
> the classes themselves), and thus should be obvious in the executable
> code.
>
> Another answer: I suppose you could, if you created some C function
> that ran before any Objective-C stuff is called that would decrypt
> some class/object data you have in your executable. But that's pretty
> complicated.
>
> On 4/27/05, Julian <<email_removed>> wrote:
> > Hi,
> > I am wondering what can be done to prevent Class-Dump from dumping
> > header files on MachO/ObjC binaries. So far Skype is the only Cocoa
> > app I have seen that you cannot dump the headers, so I am curious as
> > to what may be done to protect cocoa binaries.
> >
> > Thanks in advance!
> > ~J
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--
Olivier