In my old c++ days i get in arms to front the piracy using MAC Address code protection, very nice and really no body stole my software uppone the mac address protection because i always force the OS to re-read the real mac avoiding mac overrides. That was on C++ coding having direct access to local resources.
thats not the case today, nither in java applications in which the code is located in .class files that can always being decoded back to the original source code (yes it is possible, and very easy to find tools to do so).
i think, as resume, it is impossible to protect java programs agains piracy. i find no way like the old golden c++ days :)
