I don't know about encryption proper, but luac will compile them (executable compiler that comes with lua).
Just make sure you use a version of luac compiled for 32-bits.
I want encript the same "Facebook.lrplugin" file in lightroom software.
I don't know "executable compiler" in what's software. Please tell me about that software.
Thanks so much,
I see it.
thanks for all,
Glad to help Dung .