Re: Looking for info on anti-piracy and trial-mode techniques for my app . . .
Re: Looking for info on anti-piracy and trial-mode techniques for my app . . .
- Subject: Re: Looking for info on anti-piracy and trial-mode techniques for my app . . .
- From: Jens Alfke <email@hidden>
- Date: Wed, 24 Feb 2010 16:08:02 -0800
On Feb 24, 2010, at 2:57 PM, Michael A. Crawford wrote:
Part of your response suggests that if there was an existing
framework that was openly available, it wouldn't do me any good
because the bad guys would have the source code. I don't know if
that is your thinking but this thought had occurred to me before I
posted the question. I firmly believe that security through
obscurity is no security at all.
In general this is true, and all real security algorithms are openly
documented and their source code freely available. But DRM isn't real
security, just obfuscation to put some roadblocks in the way of people
inevitably disabling it. And in this case, obscurity helps because it
makes the hackers have to put in more work to crack your app.
My opinion is, to quote an old security saying, "locks are to keep
honest people out". Trialware works great with the majority of users
who will decide to either buy or trash the app once the time limit
expires. The people who will actively seek out cracked copies will do
so regardless of how draconian you make the protection. The PC game
publishers are taking this to the point of absurdity nowadays (search
for [ubisoft drm] to see how wretched the latest system is.)
—Jens_______________________________________________
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