On 02/21/2011 12:32 PM, Tomáš Hubálek wrote:
Guys,
I'm considering whether implement LVL checking into my app or not. As
far as I read on the internet it is possible to crack it so not sure
whether it is worth time spent with LVL implementation (Checking,
Proguard, multiple versions of the same app with different licensing
model).
As my apps are widgets I have no advantage from ability moving app to
SD card.
I'm interested in your opinion
Thanks
Tom
I think LVL is (for obvious reasons) is poorly explained by what
documentation there is and you have to spend untold hours figuring out
how to recode it to make it obscure and then not being sure if it might
actually fail on a paid customer. Usually in a large company (which I
doubt if we have many here in those) you would have at least one
engineer in charge of DRM and would become specialized in LVL. Not the
luxury of the vast majority here who are "bedroom" developers.
That said years ago a I bought a good DRM package for Windows which at
the time was reasonably priced ($85) and worked very well. That is until
some folks finally did crack it and the DRM authors told me to use some
of the more exotic features. Those versions were never cracked but
instead a key generator emerged which was technically impossible at the
time but later the weasels just wrote zombie malware which used
thousands of computers across the globe to figure out the key.
On the good side if someone does break your software most users won't
find the broken copy or be afraid to download it from an offshore site
that might come with malware. Where I worked in the 90s we just thought
that extensive DRM was useless and that real customers would want the
real thing.
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