Can a Flipper Zero be programmed for this? It connects to Micro SD cards and USB ports.
Distributors that care probably use something like this: https://www.ureach-inc.com/
I wrote something barebones for this on my Synology, using just a shell script and (hardware accelerated) openssl, if memory serves; that acceleration was crucial for handling, say, an 8TB hard drive.
[0]: https://www.bunniestudios.com/blog/on-microsd-problems/
Cards were subpar at best, counterfeit at worst. Kingston exchanged them no questions asked after some pressing.
Delidding the cards revealed different components and construction.
So no, buying directly from the manufacturer brought no advantages or guarantees.
Regardless of the packaging and purchasing channel, I’ll only trust my own test. Nothing else.
Therefore, you indeed can't trust their original packaging if they themselves don't vet their supply chain properly.
This is in stark contrast to manufacturer-vendors like Samsung, Micron (Crucial), and SanDisk (Western Digital) who manufacture either all or at least the core components of their products and have their own manufacturing reputation on the line.
If you have to be 100% sure then there is no substitute for doing your own tests. But the context here is trying to avoid that either by paying someone to test for you, or by using a trusted source like some actual manufacturer.