We can get stuck in the mindset that there must be a product, library, or code sample, that already does what we want
If you're looking for a pre-existing library, then it wasn't written here, it was written there. This should be called invented there syndrome.
Unfortunately for us, it's not just denying access to information, but mandating access to our own information. What has yet to be tested is what legally happens when you generate a random file and send it to someone. If asked, how can you prove it's not an encrypted file? There is no key that can be used to unlock it!
subsidiary in China had not been not making a profit
So it made a profit?