the entire point of encryption is to facilitate communication across adversarial channels, if you want to keep your data in a locker you don't need encryption, and if you use encryption you can keep it stored in North Korea for all it cares
the entire point of encryption is to facilitate communication across adversarial channels, if you want to keep your data in a locker you don't need encryption, and if you use encryption you can keep it stored in North Korea for all it cares