On Mon, Jan 12, 2009 at 10:18 AM, Chunk 1978 <chunk1...@gmail.com> wrote:

> couldn't Apple implement
> some sort of password protection or optional block on viewing package
> contents with XCode so that apps are impossible to crack?

  Impossible to crack? I totally agree - they should also make it
impossible for apps to crash, too! :-)  Seriously, that's an
impossibly tall order. There's just no way to make something
impossible to crack (*or* crash for that matter, though you'll have a
better chance at this than the cracking thing).

  The fact is, Apple ALREADY put a highly-effective* system into
place: Code signing.

http://developer.apple.com/documentation/Security/Conceptual/CodeSigningGuide/Introduction/chapter_1_section_1.html

  Caveat: This is supported only on 10.5 and above and is ignored on
older systems (per the above-referenced page). To make good use of it,
your app would need to simply *not work* on 10.4 and below. Not an
issue for new products that would support only 10.5 or above, but
worth pointing out nonetheless.

* - "highly-effective" != "impossible to crack"

--
I.S.
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